The AVE55 service manual
Transcription
The AVE55 service manual
ORDER NO. AVS9602118C8 Digital AV Mixer WJ-AVE55 SPECIFICATIONS Source Input : Video Input : Y/C input: Audio Input : Character Input : Recording Output : Video Output : Y/C Output : Audio Output : Preview Output : Video Output : Back Colour : Wipe Patterns : Video Gain : S/N (typical) : x4 (SOURCE 1/4) 1.0 Vp-p/75Ω PAL composite signal, pin-jack Y signal : 1.0 V[p-p]/75Ω, C signal : 0.3 V[p-p]/75Ω Mini Din 4-pin connector –6 dBs 20 kΩ pin jack (L/R) x1 (TITLE) ; 10-pin connector for optional Character Generator WJ-TTL7 x1 (REC OUT ) 1.0 Vp-p/75Ω PAL Composite signal, pin-jacks Y signal ; 1.0 V[p-p]/75Ω, C signal ; 0.3 V[p-p]/75Ω Mini Din 4-pin connector –6 dBV/1 kΩ, pin jacks (L/R) 1.0 Vp-p/75Ω PAL Composite signal, pin-jacks White, Yellow, Cyan, Green, Magenta, Red, Blue,Black and Useable 157 patterns Unity Video 50 dB (composite), 50 dB (Y/C) Audio ; 60 dB Power Source : 220 - 240V AC, 50 Hz Power Consumption : Approx 19W Ambient Operating Temperature : 0°C - 40°C (32°F - 104°F) Ambient Operating Humidity : Less than 90% Dimensions: 420 (W) x 300 (H) x 88 (D) mm Weight: 2.5 kg Weight and dimensions indicated above are approximate. Specifications are subject to change without notice. C 1996 Matsushita Communication Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. ! WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death. This symbol warns the user that uninsulated voltage within the unit may have sufficient magnitude to cause electric shock. Therefore, it is dangerous to make any kind of contact with any inside part of this unit. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. This symbol alerts the user that impotant literature concerning the operation and maintenance of this has been included. Therefore, it should be read carefully in order to avoid any problems. IMPORTANT SAFETY NOTICE There are special components used in this equipment which are important for safety. These parts are indicated by the ” Y ” mark on the schematic diagram and the replacement parts list. It is essential that these critical parts should be replaced with manufacturer's specified parts to prevent shock, fire, or other hazards. Do not modify the original design without permission of manufacture. Standard Accessory Optional Accessory Power Cord Character Generator 1 pc. WJ-TTL7 CONTENTS MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS ........................................................................................... 1 SYSTEM CONNECTION ...................................................................................................................................................... 5 CIRCUIT DESCRIPTION IC DESCRIPTION .............................................................................................................................................................. 6 ADJUSTMENT PROCEDURE..............................................................................................................................................27 LOCATION OF TEST POINTS AND ADJUSTING CONTROLS .........................................................................................30 APPEARANCE OF IC,TRANSISTOR AND DIODE.............................................................................................................31 CHIP COMPONENTS...........................................................................................................................................................32 BLOCK DIAGRAM SWITCH BOARD ...............................................................................................................................................................34 MAIN BOARD(1/2) .............................................................................................................................................................35 MAIN BOARD(2/2) .............................................................................................................................................................36 SCHEMATIC DIAGRAM MAIN BOARD(2/2) .............................................................................................................................................................38 MAIN BOARD(1/2) .............................................................................................................................................................40 SWITCH BOARD ...............................................................................................................................................................41 POWER BOARD................................................................................................................................................................41 CONDUCTOR VIEW MAIN BOARD ....................................................................................................................................................................37 SWITCH BOARD ...............................................................................................................................................................41 POWER BOARD................................................................................................................................................................41 EXPLODED VIEW ................................................................................................................................................................42 REPLACEMENT PARTS LIST.............................................................................................................................................43 MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS Side View (1) Power Switch (POWER ON/OFF) POWER ON OFF POWER Section (2) Power Indicator POWER TRANSITION SELECT Section TRANSITION SELECT WIPE/MIX LUM KEY CHROMA KEY SET (3) Wipe / Mix Selection Button (WIPE/MIX) (5) Chroma Key Button Used to replace certain colour of one picture with a second picture. Used to select either the Wipe or Mix Effect. Lighting : shows the Wipe selection Blinking : shows the Mix selection (6) Set Button Used to select the position for the chroma function. (4) Luminance Key Button Used to replace certain luminance of one picture with a second picture. 1 ON SCREEN DISPLAY SETTING Section ON SCREEN DISPLAY SETTING WIPE EFFECT COL. FADE AUDIO (7) Wipe Button (WIPE) (10) Fade Button (FADE) Used to display the Wipe menu on the preview monitor. Used to display the Fade Setting menu on the preview monitor. (8) Effect Button (EFFECT) (11) Audio Button (AUDIO) Used to display the Effect Setting menu on the preview monitor. Used to display the Audio Setting menu on the preview monitor. (9) Colour Button (COL.) Used to select the colour for the back screen or wipe edge. POSITION/COL. CORRECT Section POSITION/COL.CORRECT SELECT SCENE COL. POSITION GRABBER CORRECT R G B (12) Select Button (SELECT) (14) Scene Grabber Indicator (SCENE. GRA.) Used to select the POSITION, SCENE GRABBER or COL CORRECT. Notes : 1. Scene Grabber is available in pattern. 2. When selecting the CHROMA ON mode and press the desired Effect Output Button, colour correction is available. (15) Colour Correct Indicator (COL CORRECT) (16) Joystick Control This joystick Control has two functions - setting the position of the specified wipe pattern , moving the cursor for setting the chroma key and correcting the Colour A-bus / B-bus. (13) Position Indicator (POSITION) 2 SOURCE SELECT Section SOURCE SELECT TIME 2 1 4 MIN MAX 8 A BUS AUTO FADE SOURCE 1 SOURCE 2 SOURCE 3 SOURCE 4 BACK COL. EFFECT STILL AUTO TAKE B BUS (17) A-bus Selection Buttons (A) (20) Still Out Buttons (STILL) SOURCE 1: Used to select Source 1 Audio/Video Signals (35)(36)(37) supplied to the rear panel. SOURCE 2: Used to select Source 2 Audio/Video Signals (38)(39)(40) supplied to the rear panel. SOURCE 3: Used to select Source 3 Audio/Video Signals (41)(42)(43) supplied to the rear panel. SOURCE 4: Used to select Source 4 Audio/Video Signals (44)(45)(46) supplied to the rear panel. BACK COL: Used to select the Back Colour. An instant still or frozen image can be obtained by pressing this button. (21) Mix/Wipe Control (MIX WIPE EFFECT) Mix and wipe can be performed by operating this control. (22) Time Control (TIME) For adjusting the transition time of Auto Fade Function and Auto Take Function. (18) B-bus Selection Buttons Same selection can be available as mentioned in the Abus Selection buttons (17). (23) Auto Fade Button (AUTO FADE) (19) Effect Out Buttons (EFFECT) (24) Auto Take Button (AUTO TAKE) Automatic fade can be executed according to the time set by TIME Control. Used to supply the effect signal to the preview and Rec Out connectors. Automatic wipe or mix can be executed according to the time set by TIME Control (22). MODE SETTING Section (25) Event Memory Button (EVENT MEMORY) Used to memorize the present status. (26) Call Button (CALL) Used to recall the memorized status. MODE SETTING (27) Number Button (No.) EVENT MEMORY CALL No. (28) Up Button (29) Left Button 1 2 3 (30) Down Button 4 5 6 (31) Right Button 7 8 9 (32) SELECT/UNDO Button (33) Enter Button ( ) 0 SELECT /UNDO 3 Front Panel (34) Titler Connector (TITLE) TITLE Rear Panel SOURCE 1 SOURCE 2 AUDIO L SOURCE 3 AUDIO Y/C L SOURCE 4 AUDIO Y/C L REC OUT AUDIO Y/C L AUDIO Y/C L GPI Y/C -AC IN COMP R COMP R COMP R COMP R COMP PREVIEW SERIAL R (35) Source 1 Audio Input Jack (SOURCE 1 AUDIO) (46) Source 4 Composite Video Signal Input Jack (36) Source 1 S-video Input Connector (Y/C) (47) Recording Out Audio Output Jack (REC OUT AUDIO) (37) Source 1 Composite Video Signal Input Jack (48) Recording Out S-video Output Connector (REC OUT Y/C) (38) Source 2 Audio Input Jack (SOURCE 2 AUDIO) (49) Recording Out Composite Video Signal Output Jack (39) Source 2 S-video Input Connector (Y/C) (40) Source 2 Composite Video Signal Input Jack (50) GPI Connector (GPI) (41) Source 3 Audio Input Jack (SOURCE 3 AUDIO) Refer to the qualified service personnel or system Installers for this connection. (42) Source 3 S-video Input Connector (Y/C) (51) Preview Output Connector (43) Source 3 Composite Video Signal Input Jack Connect to video input connector of the preview monitor. (44) Source 4 Audio Input Jack (SOURCE 4 AUDIO) (52) Serial Connector (SERIAL) (45) Source 4 S-video Input Connector (Y/C) Refer to the qualified service personnel or system Installers for this connection. (53) Power Socket (AC IN) Connect the Power Cord (provided) to this socket. 4 SYSTEM CONNECTION Output Monitor WJ-TTL7 ,, ,, SOURCE 1 SOURCE 2 AUDIO L SOURCE 3 AUDIO Y/C L SOURCE 4 AUDIO Y/C L REC OUT AUDIO L Y/C GPI AUDIO Y/C L Y/C -AC IN COMP R COMP R COMP COMP R R COMP PREVIEW SERIAL R Power Cord Preview Monitor Types of Input and Output Jacks SOURCE 1 AUDIO L Y/C Q Composite (RCA-style) video and audio W S-video (Y/C) Q W 5 CIRCUIT DESCRIPTION 2. Main Board IC Description 2.1. IC1 on the Main Board is using the Octal 3-State Bus Buffers IC MC74HC541AF. 1. Power Board Description of this IC is as follows: 1.1. IC2 on the Power Board is using the Variable Shunt Regulator IC YWTA76431S. E1 1 20 Vcc Description of this IC is as follows: 1A 2 19 E2 2A 3 18 1Y 3A 4 17 2Y 4A 5 5A 6 15 4Y 6A 7 14 5Y 7A 8 13 6Y 8A 9 12 7Y GND 10 11 8Y 3 Cathode 2 Anode 1 Reference Reference 1 3 Cathode + – 2 Anode (TOP VIEW) 16 3Y Truth Table INPUTS 1.2. IC1 on the Power Board is using the-3-terminal Y A ∗ ∗ Voltage Regulator IC YWUPC24M12HF. OUTPUT E2 L E1 L H Z H ∗ : Don’t care. Description of this IC is as follows: Z : High Impedance 2.2. IC6 and IC7 on the Main Board are using the Octal 3State D-FFs IC MC74HC374AF. GND 2 Output 3 Input 1 Description of this IC is as follows: 3 Output ASO Limiter Driver 1 20 Vcc 1Q 2 19 8Q 1D 3 18 8D 2D 4 17 7D 2Q 5 3Q 6 15 6Q 3D 7 14 6D 4D 8 13 5D 4Q 9 12 5Q GND 10 11 EG (TOP VIEW) Error Amp. Truth Table Over-current Protector Over-heat Protector Reference Voltage Generator Starter Input 1 OE INPUTS 2 GND FUNCTION OE EG ∗ ∗ L Latch H Q=D H ∗ : Don’t ∗ care. Z : High Impedance 6 Z 16 7Q 2.3. IC62 on the Main Board is using the 2-D Low Pass Filter HCMOS Gate Array Logic IC YWAJ0016. 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 Vss SHGA AIN0 AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 AIN7 SD8 CHAR KBB KBG KBR SD7 TD9 TD8 CH4/TD7 CH3/TD6 VDD CHO LMRST CH2/TD5 CH1/TD4 WP4/TD3 WP3/TD2 WP2/TD1 WP1/TD0 VDD WPO SD6 MD0 MD1 PAL TM0 TM1 TM2 WPTST D0 Description of this IC is as follows: 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 (TOP VIEW) D1 D2 D3 D4 D5 D6 D7 Vss REG0 REG1 REG2 REG3 REG4 REG5 ST OSD OSDR OSDG OSDB VP VD HD SYNC ASYNC VDD Vss PVWY7 PVWY6 PVWY5 PVWY4 PVWY3 PVWY2 PVWY1 PVWY0 VDD XHI SD5 OS1 Vss SPC Y3C Vss HPC FS4 RECC0 RECC1 RECC2 RECC3 VDD RECC4 RECC5 RECC6 RECC7 Vss Y2C VDD RECY0 RECY1 RECY2 RECY3 RECY4 RECY5 RECY6 RECY7 VDD SD0 SD1 SD2 SD3 SD4 Vss PVWC0 PVWC1 PVWC2 PVWC3 VDD PVWC4 PVWC5 PVWC6 PVWC7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 VDD SHGB BIN7 BIN6 BIN5 BIN4 BIN3 BIN2 BIN1 BIN0 Vss DLC DLY1 VDD BGP XBS0 TESTOUT EXT0 SD9 SD10 TN XBSI XLS ESY EXT VDD HS DLY0 XH0 SD11 RST RCLK SD12 SD13 VDD YCLK VPN Vss OSC2IN VDD Pin 1 2 3 4 5 6 7 Name Y3C Vss HPC FS4 RECC0 RECC1 RECC2 I/O O – O O O O O 8 9 10 11 12 13 14 15 RECC3 VDD RECC4 RECC5 RECC6 RECC7 Vss Y2C O – O O O O – O Description Y3C signal output terminal. Ground terminal. HPC signal output terminal. FS4 signal output terminal. Pin 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 REC(C) signal output terminals. Power supply terminal. REC(C) signal output terminals. Ground terminal. Y2C signal output terminal. 7 Name VDD RECY0 RECY1 RECY2 RECY3 RECY4 RECY5 RECY6 RECY7 VDD SD0 SD1 SD2 SD3 SD4 Vss I/O – O O O O O O O O – I I I I I – Description Power supply terminal. REC(Y) signal output terminals. Power supply terminal. SD signal input terminals. Ground terminal. Pin 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 Name PVWC0 PVWC1 PVWC2 PVWC3 Vss PVWC4 PVWC5 PVWC6 PVWC7 SPC VDD OS1I SD5 XHI VDD PVWY0 PVWY1 PVWY2 PVWY3 PVWY4 PVWY5 PVWY6 PVWY7 Vss VDD ASY SYC HD VD VP OSDB OSDG OSDR OSD ST REG5 REG4 REG3 REG2 REG1 REG0 Vss DATA7 DATA6 DATA5 DATA4 DATA3 DATA2 DATA1 DATA0 I/O O O O O – O O O O O – I I I – O O O O O O O O – – O O O O O I I I I I I I I I I I – I I I I I I I I Description Preview(C) signal output terminals. Ground terminal. Preview(C) signal output terminals. SPC signal output terminal. Power supply terminal. OS signal input terminal SD signal input terminal. XH signal input terminal. Power supply terminal. Preview(Y) signal output terminals. Ground terminal. Power supply terminal. ASY signal output minals SYC signal output terminas. HD signal output terminal. VD signal output terminal. VP signal output terminals. OSDB signal input terminal. OSDG signal input terminal. OSDR signal input terminal OSD signal input terminal. Strobe signal input terminal. Register signal input terminals. Ground terminal. DATA signal input terminals. 8 Pin 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 Name WPTST TM2 TM1 TM0 PAL MD1 MD0 SD6 CHOB VDD WP1/TD0 WP2/TD1 WP3/TD2 WP4/TD3 CH1/TD4 CH2/TD5 LMRST CHOA VDD CH3/TD6 CH4/TD7 TD8 TD9 SD7 KBR KBG KBB CHAR SD8 AIN7 AIN6 AIN5 AIN4 AIN3 AIN2 AIN1 AIN0 SHGA Vss VDD SHGB BIN7 I/O I I I I I I I I O – I I I I I I O O – I I I I I I I I I I I I I I I I I I I – I – I 124 125 126 127 128 129 BIN6 BIN5 BIN4 BIN5 BIN2 BIN1 I I I I I I 130 BIN0 131 Vss I – Description WPTST signal input terminal. TM signal input terminals. PAL signal input terminal. MD signal input terminals. SD signal input terminal. CHOB signal output terminal. Power supply terminal. TD signal input terminals. LMRST signal output terminal. CHOA signal output terminal. Ground terminal. TD signal input terminals. SD signal input treminal. Red signal input terminal. Green signal input terminal. Blue signal input terminal. Character signal input terminal. SD signal input terminal. A signal input terminals. SHGA signal input treminal. Ground terminal. Power supply terminal. SHGB signal input terminal. B signal input terminals. Ground terminal. 2.5. IC28, IC42 and IC59 on the Main Board are using the Pin 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 Name DLC DLY1 VDD BGP XBSO TESTOUT EXT0 SD9 SD10 TN XBSI XLS XSY EXT VDD HS DLY0 XH0 SD11 RST RCLK SD12 SD13 VDD YCLK VPN Vss OS2I VDD I/O O O – O O O O I I I I I I I – O I O I I I I I – O O – I – Description DLC signal output terminal. DLY1 signal output terminal. Power supply terminal. Burst Gate Pulse output terminal. XBSO signal output terminal. TEST signal output terminal. External signal output terminal. PAL 1,135-word x 8-Bit FIFO High Speed Line Buffers IC YWUPD42102G3. Description of this IC is as follows: SD Data input terminals. TN signal input terminal. XBSI signal input terminal. XLS signal input terminal. XSY signal input terminal. External signal input terminal. Power supply terminal. HS signal output terminal. DLY0 signal input terminal. XH signal output terminal. SD signal input terminals. RST signal input terminal. Clock pulse input terminal. Power supply terminal. Clock pulse output terminal. VPN signal output terminal. Ground terminal. Oscillation signal input terminal. Power supply terminal. 2.4. IC64 on the Main Board is using the 3-Terminal Voltage Regulator IC YW78L09UATE2. Description of these IC is as follows: Output 1 GND 2 Input 3 1 Output Over-current Protector Over-heat Protector 1 24 DI0 DO1 2 23 DI1 DO2 3 22 DI2 DO3 4 21 DI3 RE 5 20 WE RSTR 6 GND 7 18 VDD RCK 8 17 WCK DO4 9 16 DI4 DO5 10 15 DI6 DO6 11 14 DI6 DO7 12 13 DI7 Pin Name I/O SD Data input terminals. Input 3 DO0 Error Amp. Reference Voltage Generator 2 GND 9 (TOP VIEW) 19 RSTW Description 1 DO0 O 2 DO1 O 3 4 DO2 DO3 O O 5 RE I Read Enable signal input terminal. 6 RSTR I Reset Read pulse input terminal. 7 GND – Ground terminal. Data output terminals. (8-Bit) 8 RCK I Read Clock pulse input terminal. 9 DO4 O 10 DO5 O 11 DO6 O 12 DO7 O 13 DI7 I 14 DI6 I 15 DI5 I 16 DI4 I 17 WCK I Write Clock pulse input terminal. 18 VDD – Power supply terminal. Data output terminals. (8-Bit) Data input terminals. (8-Bit) 19 RSTW I Reset Write Pulse input terminal. 20 WE I Write Enable signal input terminal. 21 DI3 I 22 DI2 I 23 DI1 I 24 DI0 I Data input terminals. (8-Bit) 2.6. IC12, IC47, IC49, and IC50 on the Main Board are 2.8. IC511 and IC512 on the Main Board are using the using the Single 2-Input AND Gate IC YWSC7S08F. Video Sync. Separator IC YWLM1881M. Description of this IC is as follows: Description of this IC is as follows: IN1 1 Truth Table 5 Vcc Inputs Output IN1 IN2 IN2 2 GND 3 4 OUT (TOP VIEW) L L H H L H L H H H H L Comp. Sync 1 8 Video In 2 7 Vertical Sync 3 6 GND 4 5 VCC Odd/Even Field Index RSET Burst/Back Porch Clamp (TOP VIEW) 2.7. IC14 on the Main Board is using the Dual 6dB Video Amplifier IC with 75Ω Driver YWNJM2268V. 8 Description of this IC is as follows: VCC Regulator 1 VIN1 1 8 VIN2 GND 2 7 Vcc Comp. Sync + – V VCC (TOP VIEW) VSAG1 3 6 N.C. VOUT1 4 5 VOUT2 VA R + D Q 7 Q – CK 2 Pin Name I/O VCC Video In Description 1 VIN1 I Input terminal for Amplifier 1. 2 GND – Ground terminal. Odd/ Even Field Index CK – VB + V1 5 Burst/ Back Porch Clamp – + + – 3 VSAG1 – Sag compensation terminal for Amplifier 1. 4 VOUT1 O Output terminal for Amplifier 1. + V2 – 5 VOUT2 O Output terminal for Amplifier 2. – Non connection. 7 Vcc – Power supply terminal. 8 VIN2 I Input terminal for Amplifier 2. V2 + – V1 Vcc 4 VOUT1 2.8K 2.2K + R Q 2.8K 75 Ω Driver GND D – 3 Q Vertical Sync OSC Capacitor Charge Current 750 3 VSAG1 5 VOUT2 6 dB Amp. S RSET 8 Clamp VIN2 75 Ω Driver 6 dB Amp. + 7 1 Bias VIN1 – 1/8 6 N.C. 6 N.C. 2 10 6 GND 4 2.9. IC26 and IC40 on the Main Board are using the Comb/BPF Filter IC YWMC141625BFU. D4 D5 D6 D7 C0 C1 C2 C3 C4 C5 C6 C7 Description of this IC is as follows: 36 35 34 33 32 31 30 29 28 27 26 25 Pin 37 38 39 40 41 42 43 44 45 46 47 48 TE1 TE0 MODE1 MODE0 ADCLK DGND NC (AD GND) VIN CLOUT CLC RBT RTP 24 23 22 21 20 19 18 17 16 15 14 13 (TOP VIEW) I/O – 2 DVCC – – Non Connection. 4 YOUT O 5 DAREF I 6 DAGND – 7 DAVCC – 8 COUT O 9 N.C. 10 IBIAS – I 11 ADGND – 12 ADVCC – 13 RTP I 14 RBT I 15 CLC I 16 CLOUT O 17 VIN I Luminance signal output terminal. Reference Voltage input terminal for D/A Converter circuit. Ground terminal for D/A Converter Circuit. +5V supply terminal for D/A Converter Circuit. Chroma signal output terminal. Non Connection. Current Control terminal for A/D and D/A Coverter Circuits. Ground terminal for A/D Converter Circuit. +5V supply terminal for A/D Converter Circuit. Top Reference Voltage input terminal for A/D Converter Circuit. Bottom Reference Voltage input terminal for A/D Converter Circuit. Clamp Time Constant setting terminal. Clamp Voltage output terminal. Voltage input terminal for A/D Converter Circuit; 3.3Vp-p max. 28 C4 18 N.C. 19 DGND – – 27 C5 26 C6 20 ADCLK I 21 MODE0 I 22 MODE1 I 23 TE0 I 24 TE1 I 25 C7 I/O 26 C6 I/O DGND DVcc NC YOUT DAREF DAGND DAVcc COUT NC IBIAS ADGND ADVcc NC (AD GND) DGND 19 18 PORT CONTROL LOGIC 1H/2H CLAMP IBIAS 1H/2H 16 CLOUT 15 CLC 32 C0 31 C1 29 C3 DAC 25 C7 8 COUT DAC CONTROL LOGIC BPF PORT Comb/ 46 BPF A.C.F. PROCESSING CLK 45 BPF ADCLK 20 33 D7 30 C2 CLKBUF PAL/ 42 NTSC CLKBUF M/M 41 36 D4 34 D6 MEMORY MODE IBIAS 10 37 D3 35 D5 BPF VIN 17 38 D2 BPF RTP 13 39 D1 SELF BIAS RBT 14 40 D0 ADC MODE1 22 MODE0 21 MODE TE1 24 TE0 23 4 YOUT BW 48 43 DGND Bypass 47 44 DVcc 1 2 3 6 7 9 11 12 DGND DVcc NC DAGND DAVcc NC ADGND ADVcc DAREF 5 Description Ground terminal for Digital Circuit. +5V supply terminal for Digital Circuit. 3 N.C. 1 2 3 4 5 6 7 8 9 10 11 12 D3 D2 D1 D0 M/M PAL/NTSC DGND DVcc CLK Comb/BPF Bypass BW Name 1 DGND 11 Non Connection. Ground terminal for Digital Circuit. Clock pulse input terminal for A/D Converter Circuit. Mode set signal input terminals. Test Mode set signal input terminals. Data(Y) input/output terminals. Pin Name I/O 33 D7 I/O 34 D6 I/O 35 D5 I/O 36 D4 I/O 37 D3 I/O 38 D2 I/O 39 D1 I/O 40 D0 I/O 41 N/M I 42 PAL/NTSC I 43 DGND 44 DVcc – – 45 CLK 46 COMB/BPF I I 47 BYPASS 48 BW I I 2.11. IC48 on the Main Board is using the Single 2-Input Description NAND Gate IC YWSC7S00F. Description of this IC is as follows: IN1 1 Chrominance Data input/output terminals. 5 Vcc Truth Table Inputs Output IN1 IN2 IN2 2 GND 3 4 OUT (TOP VIEW) L L H H L H L H H H H L Colour TV Sytem Select signal input terminals. N/M L L H H PAL/NTSC SYSTEM L PAL B, G, H, I L NTSC H PAL N H PAL M 2.12. IC18, IC19, IC33, IC44, IC53, IC56, IC100 and IC101 on the Main Board are using the Single Inverter IC YWSC7SU04F. Description of this IC is as follows: Ground terminal for Digital Circuit. +5V supply terminal for Digital Circuit. N.C. 1 Truth Table 5 Vcc Input L H In 2 Clock Pulse input terminal. Filter Select signal input terminal. L: Comb Filter; H: Band Pass Filter Bypass signal input terminal. Band switching signal input terminal for Chrominance signal. L : Narrow Band; H : Wide Band GND 3 4 Out Output H L (TOP VIEW) 2.13. IC3 on the Main Board is using the Voltage Detector IC YWM51953AFP. Description of this IC is as follows: 2.10. IC500-503 on the Main Board are using the 2Channel Electronic Volume/Balance IC YWM51132 8 N.C. N.C. 1 FP. Description of this IC is as follows: 1.25V Regulator GND 4 15 (TOP VIEW) 16 VCC Control Voltage Generator 4 4.25V 0.65V 10 6 8 5 Cd In VCA 1 2 7 6 Output + 14 5 7 Vcc - - N.C. 3 1 25µA Typical 5µA Typical N.C. 2 Mode Switch t VCA 2 H 11 output indefined Output 9 td td L t td 12 0.34 x Cd (pF) µsec. 2.14. IC30 and IC46 on the Main Board are using the 4-MB Cache DRAM IC YWM5M4V416TP. Description of this IC is as follows: Vcc DQCI 70 Vss 1 2 DQCU 3 69 AD9 68 AD8 CC1# 4 67 AD7 CC0# WE# 5 6 66 N.C. CS# CMD# CMS# 7 8 9 64 AS9 63 AS8 K 10 61 AS6 65 N.C. 62 AS7 DQ0 11 Vss 12 60 DQ15 59 Vss DQ1 13 DQ2 14 VccQ 15 58 DQ14 57 DQ13 56 VccQ DQ3 16 Vss 17 55 DQ12 (TOP VIEW) 54 Vcc DQ4 19 52 DQ11 51 VccQ VccQ 20 50 DQ10 49 DQ9 48 Vss DQ5 21 DQ6 22 Vss 23 DQ7 24 47 DQ8 46 N.C. N.C. 25 AS0 26 AS1 27 45 G# 44 AS5 43 AS4 42 AS3 AS2 28 RAS# 29 CAS# 30 DTD# AD0 AD1 AD2 Vcc Pin Name 41 40 39 38 37 36 31 32 33 34 35 I/O 1 Vcc – 2 DQCI I 3 DQCU I 4 CC1# I 5 CC0# I 6 WE# I AD6 AD5 AD4 AD3 N.C. Vss Description Power supply. DQC signal input terminals. Control clock pulse input terminals. Write Enable signal input terminal. 7 CS# I Chip Select signal input terminal. 8 CMD# I DRAM clock mask signal input terminal. 9 CMS# I SRAM clock mask signal input terminal. 10 K I K signal input terminal. 11 DQ0 12 Vss I/O DQ signal input/output terminal. – Ground terminal. 13 DQ1 I/O 14 DQ2 I/O DQ signal input/output terminals. 13 Pin Name 15 VccQ I/O Description – Power supply. 16 DQ3 17 Vss I/O DQ signal input/output terminal. – Ground terminal. 19 DQ4 I/O DQ signal input/output terminal. 20 VccQ – Power supply terminal. 21 DQ5 22 DQ6 I/O DQ signal input/output terminals. I/O 23 P52/A10 I/O P52/A10 signal input/output terminal. 24 Vss – Ground terminal. 25 N.C. – No connection. 26 AS0 I 27 AS1 I 28 AS2 I 29 RAS# I RAS signal input terminal. 30 CAS# I CAS signal input terminal. 31 DTD# I DTD signal input terminal. 32 Ad0 I 33 Ad1 I 34 Ad2 I AS signal input terminals. Address signal input terminals. 35 Vcc – Power supply terminal. 36 Vss – Ground terminal. 37 N.C. – 38 AD3 I 39 AD4 I 40 AD5 I 41 AD6 I 42 AS3 I 43 AS4 I 44 AS5 I 45 G# I No connection. Address signal input terminals. AS signal input terminals. G signal input terminal. 46 N.C. 47 DQ8 48 Vss I No connection. I/O DQ signal input/output terminal. – Ground terminal. 49 DQ9 50 DQ10 51 VccQ I/O DQ signal input/output terminals. I/O I Power supply terminal. 52 DQ11 I/O DQ signal input/output terminal. 54 Vcc 55 DQ12 56 VccQ – Power supply terminal. I/O DQ signal input/output terminal. – Power supply terminal. 2.16. IC11 on the Main Board is using the 3-Terminal Description Voltage Regulator IC YW78L05UATE2. Description of this IC is as follows: I/O DQ signal input/output terminals. I/O – Ground terminal. I/O DQ signal input/output terminal. 61 AS6 I 62 63 64 65 I AS signal input terminals. I I – No connection. AS7 AS8 AS9 N.C. 66 N.C. – No connection. 67 AD7 I 68 AD8 I Address signal input terminals. 69 AD8 I 70 Vss – Ground terminal. GND 2 Input 3 DQ13 DQ14 Vss DQ15 I/O Output 1 57 58 59 60 Name 1 Output Input 3 Over-current Protector Error Amp. Over-heat Protector Pin 2.15. IC31 and IC51 on the Main Board are using the Voltage Regulator Driver IC YWM5237ML. Reference Voltage Generator Description of this IC is as follows: 2 GND 1 INPUT 2.17. IC513 on the Main Board are using the Quad 3-State 2 GND Bus Transceivers IC YW74ABT244DB. 3 VADJ Description of this IC is as follows: G1 1 20 Vcc 1A1 2 19 G2 2Y4 3 18 1Y1 1A2 4 17 2A4 2Y3 5 1A3 6 15 2A3 2Y2 7 14 1Y3 1A4 8 13 2A2 2Y1 9 12 1Y4 GND 10 11 2A1 REFERENCE VOLTAGE GENERATOR ASO PROTECTION 1 3 VADJ OVER CURRENT PROTECTION ERROR AMP. – + OVER TEMPERATURE PROTECTION START-UP VIN (TOP VIEW) Truth Table INPUTS G A H L L L H ∗ 2 ∗: GND Z : 14 OUTPUT Y Z L H Don’t care. High Impedance 16 1Y2 2.18. IC25 and IC39 on the Main Board are using the C-MOS 8-Bit 2-Channel High Speed A/D Converter IC MN65752H. VRBSB VRBB DVDD DVss NPOWDB DVss CLK NOE DB7 DB6 DB5 DB4 Description of this IC is as follows: 36 35 34 33 32 31 30 29 28 27 26 25 Pin 37 38 39 40 41 42 43 44 45 46 47 48 (TOP VIEW) 24 23 22 21 20 19 18 17 16 15 14 13 DB3 DB22 DB1 DB0 DVDD DVDDL DVDDL DVDD DA7 DA6 DA5 DA4 VRBSA 1 VRBA 2 DVDD 3 DVss 4 NPOWDA 5 DVss 6 NBSM 7 BSD 8 DA0 9 DA1 10 DA2 11 DA3 12 VRTSB VRTB AVDD VINB AVss AVDD AVss AVss VINN AVDD VRTA VRTSA Name I/O Description Description 23 DB2 O 24 DB3 O 25 26 27 28 29 30 CLK O Digital code output terminals. O O O I Digital output enable signal input terminal. I Clock pulse input terminal. 31 DVss 32 NPOWDB – I 33 DVss 34 DVDD – – 35 VRBB I DB4 DB5 DB6 DB7 NOE 36 VRBSB Pin Name I/O Digital ground terminal. Power down mode signal input terminal. Digital ground terminal. Digital power supply terminal. Bottom side reference voltage input terminal. O Bottom side reference voltage output terminal. 37 VRTSB O Top side reference voltage output terminal. 1 VRBSA 2 VRBA O VRBSA signal output terminal. I VRBA signal inut terminal. 38 VRTB I 3 DVDD – Digital power supply terminal. 39 AVDD – Top side reference voltage input terminal. Analog Power supply terminal. 4 DVss – Digital ground terminal. 40 VINB I Analog signal input terminal. Power down mode signalinput terminal. Digital ground terminal. 41 AVss – Analog ground terminal. 42 AVDD – Analog Power supply terminal. 43 AVss – 44 AVss – 45 VINA I 46 AVDD 47 VRTA – Analog Power supply terminal. I Top side reference voltage input terminal. O Top side reference voltage output terminal. 5 NPOWDA I 6 DVss – 7 NBSM I 8 BSD I 9 DA0 O 10 DA1 O 11 DA2 O TEST signal input terminals. 12 DA3 O 13 DA4 O 14 DA5 15 DA6 O O 16 DA7 O 17 DVDD – Digital power supply terminal. Low Voltage Digital power supply terminals. 18 DVDDL – 19 DVDDL – 20 DVDD 21 DB0 – Digital power supply terminal. O Digital code output terminals. O 22 DB1 48 VRTSA Digital code output terminals. 15 Analog ground terminals. Analog signal input terminal. 2.19. IC52 and IC55 on the Main Board are using the 8-Bit 2-Channel D/A Converter IC YWMB40968PF. Description of this IC is as follows: A5 1 28 A4 A6 2 27 A3 A7 3 26 A2 A1 25 A8 4 25 A1 A2 26 B4 9 A6 2 A7 3 A8 4 CLKA 5 21 A.GND 19 VccA B6 11 18 VRIN 2R R 2R R 2R R R 2R R VccA 20 BOUT B7 12 17 VROUT B1 6 B8 13 16 COMP B2 7 CLKB 14 15 D.GND B3 8 B4 9 B5 10 Pin Name I/O Description B6 11 B7 12 1 A5 I 2 A6 I 3 A7 I 4 A8 I (LSB) B8 13 R R 2R R 2R R 2R R R Ach Digital Data input terminals. (8-Bit) 2R R VccA CLKB 14 5 CLKA I Ach Clock pulse input terminal. 6 B1 I (MSB) 7 B2 I 8 B3 I 9 B4 I 10 B5 I 11 B6 I 12 B7 13 B8 I I (LSB) 14 CLKB I Bch Clock pulse input terminal. REFERENCE RESISTOR AMP. VRIN 13 COMP 16 Bch Digital Data input terminals. (8-Bit) REFERENCE VOLTAGE I Phase Compensation terminal. O Reference Voltage output terminal. 18 VRIN I Reference Voltage input terminal. 19 VccA – Power supply terminal for Analog circuit. 20 BOUT O Bch Analog signal output terminal. 21 A.GND – Ground terminal for Analog circuit. 22 AOUT O Ach Analog signal output terminal. 23 VccA – Power supply terminal for Analog circuit. 24 VccD – Power supply terminal for Digital circuit. 25 A1 I (MSB) 26 A2 I 27 A3 I 28 A4 I 17 VROUT 19 VccA 15 D.GND – Ground terminal for Digital circuit. 17 VROUT R 20 BOUT B5 10 16 COMP CURRENT SWITCH (A) 8 22 AOUT CURRENT SWITCH (B) B3 (TOP VIEW) 1 BUFFER (A) 7 A5 BUFFER (B) B2 23 VccA MASTER SLAVE F/F (A) 6 A4 28 MASTER SLAVE F/F (B) B1 24 VccD INPUT BUFFER (A) 5 A3 27 INPUT BUFFER (B) CLKA 22 AOUT R Ach Digital Data input terminals. (8-Bit) 16 D.GND 15 23 VccA A.GND 21 24 VccD 2.20. IC16 on the Main Board is using the RS-232C Driver 2.21. IC20, IC21, IC34, and IC35 on the Main Board are IC YWUPD4721GS. using the Analog Multiplexer/Demultiplexer IC Description of this IC is as follows: MC74HC4052F. Description of this IC is as follows: VDD 1 20 C4+ YB0 1 16 VDD C1+ 2 19 GND YB2 2 15 YA2 Vcc 3 18 C4– ZB 3 14 YA1 C1– 4 17 Vss C5+ 5 16 STBY C5– 6 15 VCHA DIN1 7 14 DOUT1 DIN2 8 13 DOUT2 ROUT1 9 12 RIN1 ROUT2 10 11 RIN2 (TOP VIEW) YB3 4 13 ZA (TOP VIEW) YB1 5 12 YA0 E 6 11 YA3 VSS 7 10 SA GND 8 9 SB Truth Table Pin Name I/O Description 1 VDD 2 C1+ – Power supply terminal. – Positive side of capacitor 1 connecting terminal. 3 Vcc – Power supply terminal. 4 C1– – Negative side of capacitor 1 connecting terminal. – Positive side of capacitor 5 connecting terminal. – Negative side of capacitor 5 connecting terminal. I Driver signal input terminals. I 5 C5+ 6 C5– 7 DIN1 8 DIN2 9 ROUT1 O 10 ROUT2 O E L L L L H B L L H H A X COMMON Y COMMON L 0X 0Y H 1X 1Y L 2X 2Y H 3X 3Y NONE NONE ∗ ∗ ∗ : Don’t care. 2.22. IC5 on the Main Board is using the Hex D-FFs IC YWMC74HC175F. Description of this IC is as follows: 16 VCC CLEAR 1 15 4Q 1Q 2 Receiver signal output terminals. 14 4QN 1QN 3 11 RIN2 I 12 RIN1 I 13 DOUT2 O 14 DOUT1 O 15 VCHA – Charge voltage supply terminal. 16 STBY I Standby signal input terminal. 17 Vss – Ground terminal. 18 C4– – Negative side of capacitor 4 connecting terminal. 19 GND – 20 C4+ – Positive side of capacitor 4 connecting terminal. Receiver signal input terminals. 1D 4 (TOP VIEW) 12 3D 2D 5 Driver signal output terminals. 13 4D 11 3QN 2QN 6 10 3Q 2Q 7 9 CLK GND 8 Truth Table INPUTS Ground terminal. ∗ H L H H ∗ H ∗ 17 D CLR L OUTPUTS CLK ∗ : Don’t care. Q Q L H L H H Qn L Qn Function Clear No Change 2.23. IC58 on the Main Board is using the Character Generator IC YWBU2874FV. Description of this IC is as follows: CLK 1 Protector Circuit 20 HSYNC DATA 3 Character Size Register Horizontal Address Register Write Address Counter Horizontal Size Counter Horizontal Position Counter Horizontal Address Counter Data Selector Data Input Shift Register CS 2 RESET 4 19 VSYNC 18 VB Video RAM 17 VG 16 VR OSCIN 8 Vertical Position Counter Vertical Address Counter OSC TEST 9 Test 15 VBLK Output Control Vertical Size Counter OSCOUT 7 Background Control Data Register Vertical Address Registor CKOUT 6 Indication Control Data Register VDD 5 14 VC2 13 BLK2 12 VC1 Character Generator ROM 12 x 18 Bit x 255 word 11 BLK1 Vss 10 (TOP VIEW) Pin Name I/O Description Pin Name I/O Description 1 CLK I Clock Pulse input terminal. 11 BLK1 O Blanking Pulse-1 output terminal. 2 CS 3 DATA I I Chip Select signal input terminal. Serial Data input terminal. 12 VC1 13 BLK2 O Character singal-1 output terminal. O Blanking Pulse-2 output terminal. 4 RESET I Reset pulse input terminal. 14 VC2 O Character signal-2 output terminal. 5 VDD – Power supply terminal. 15 VBLK O V. Blanking pulse output terminal. 16 VR 17 VG O O Character Data output terminals. 18 VB O 19 VSYNC 20 HSYNC I I 6 CKOUT O Clock pulse output terminal. 7 OSCOUT O Oscillator output terminal. 8 OSCIN 9 TEST 10 Vss I Oscillator input terminal. I Test terminal. – Ground terminal. 18 Vertical Sync signal input termnal. Horizontal Sync singal input terminal. 2.24. IC15 on the Main Board is using the 8-Bit 12-Channel D/A Converter YWM62352GP. Description of this IC is as follows: VSS (VrefL) AO3 1 20 GND 2 19 AO2 AO4 3 18 AO1 AO5 4 17 DI VSS (VrefL) 2 AO3 O 3 AO4 O 4 AO5 O 5 AO6 O AO6 5 16 CLK AO7 6 15 LD AO8 7 14 DO AO9 8 13 AO12 AO10 9 12 AO11 VDD (VrefU) 10 11 VCC DO 14 Pin Name I/O 1 (TOP VIEW) 15 – AO7 O AO8 O 8 AO9 O 9 10 AO10 VDD (VrefU) O – 11 VCC – 12 AO11 O 13 AO12 O 14 DO O MSB Data output terminal from 12Bit Shift Register. 15 LD I Load signal input terminal. Data of 12-Bit Shift Register should be loaded to Decoder and D/A Output Registers when LD = H. 16 CLK I Shift Clock pulse input terminal. Serial Data from DI terminal should be input to Decoder and 12-Bit Shift Register at raising edge of this signal. 12-Bit Serial Data input terminal. DAC12 16 CLK D0 8-Bit R-2R + Segment D/A Converter 8-Bit R-2R + Segment D/A Converter 17 8-Bit Latch DI 12-Bit Shift Register D8 8-Bit Latch D9 Address Decoder D10 + – + – 13 AO12 AO1 18 D7 DAC1 19 Analog Data output terminals. 6 A1 D11 Lower reference voltage supply terminal for D/A Converter circuit. 7 LD A12 Description 17 DI I 18 AO1 O 19 AO2 O 20 GND – Upper reference voltage supply terminal for D/A Converter circuit. Power supply terminal terminal. Analog Data output terminals. Analog Data output terminals. Ground terminal. 2.25. IC4 on the Main Board is using the 16-Bit Microprocessor IC YW78P4026GCA. 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 XPOSI 24SW FADELD FADECLK FADEDAT VDD OSDCLK OSDCS OSDDAT PAL/NTSC ST1 OSDRST SUSELA SUSELB TEST Vss ASTB DATA0 DATA1 DATA2 Description of this IC is as follows: 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 (TOP VIEW) DATA3 DATA4 DATA5 DATA6 DATA7 ADD8 ADD9 ADD10 ADD11 ADD12 ADD13 ADD14 ADD15 ADD16 ADD17 ST2 BUSCLK RD WE REGCLK SCAN0 SCAN1 SCAN2 SCAN3 SCAN4 KEYGATE RESET VDD X2 X1 Vss DATA0 DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 DATA7 LEDCLK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 YPOSI TAKE SPEED AVDD AVref1 AVss ANO0 ANO1 AVref2 AVref3 NMI VBLK HBLK GPI BIAS4 BIAS3 BIAS2 BIAS1 DR1 DT1 Pin Name I/O Description Pin Name I/O Description 1 SCAN0 O 15 DATA3 I/O 2 SCAN1 O 16 DATA4 I/O 3 SCAN2 O Key Scan signal output terminals. 17 DATA5 4 SCAN3 O 18 DATA6 Data input/output terminals. I/O (8-Bit) I/O 5 SCAN4 6 KEYGATE O 19 DATA7 I/O 20 LEDCLK 7 RESET 8 VDD I O LED Clock pulse output terminal. – Power supply terminal. 21 REGCLK O Register Clock pulse output terminal. 22 WE 10 X1 – Crystal Oscillator connecting I terminals. O Write Enable signal output terminal. 11 Vss – Ground terminal. 23 RD O Read Strobe pulse output terminal. 24 BUSCLK O Bus Clock pulse output terminal. 25 ST2 O ST signal output terminal. 9 X2 O Key Gate signal output terminal. 12 DATA0 I/O 13 DATA1 I/O 14 DATA2 I/O Reset pulse input terminal. Data input/output terminals. (8-Bit) 20 Pin Name I/O Description Pin Name I/O Description 26 ADD17 27 ADD16 O 70 AVref3 – Reference voltage terminal 3. O 71 NMI 28 ADD15 O I Non Maskable Interrupt signal input terminal. 29 ADD14 72 VBLK 30 ADD13 O Address signal output terminals. O (12-Bit) I V.Blanking signal input terminal. I H.Blanking signal input terminal. 31 ADD12 O 74 GPI 32 ADD11 O 75 BIAS4 33 ADD10 O I 34 ADD9 O 76 BIAS3 77 BIAS2 35 ADD8 O 78 BIAS1 I 36 DATA7 I/O 37 DATA6 I/O 79 DR1 80 DT1 I DR signal input terminal. O DT signal output terminal. 38 DATA5 I/O 39 DATA4 I/O 40 DATA3 I/O 41 DATA2 I/O 2.26. IC23 and IC37 on the Main Board are using Quad 42 DATA1 I/O Analog Switches/Multiplexers/Demultiplexers IC 43 DATA0 44 ASTB I/O YWMC74HC4066F. O Address Strobe signal output terminal. Description of this IC is as follows: 73 HBLK I GPI signal input terminal. I I BIAS signal input terminals. Data input/output terminals. (8-Bit) 45 Vss – Ground terminal. 46 TEST I 47 SVSELB O SVSELB signal output terminal. 48 SVSELA I/O 1 1 14 Vcc O/I 1 2 13 Control 1 O SVSELA signal output terminal. O/I 2 3 12 Control 4 49 OSDRST 50 ST1 O OSDRST signal output terminal. O ST1 signal output terminal. I/O 2 4 11 I/O 4 Control 2 5 10 O/I 4 51 PAL/NTSC I Control 3 6 9 O/I 3 52 OSDDAT 53 OSDCS 54 OSDCLK O 55 VDD 56 FADE DAT 57 FADECLK TEST signal input terminal. PAL/NTSC signal input terminal. 59 24SW 60 XPOSI I XPOSI signal input terminal. 61 YPOSI I YPOSI signal input terminal. 62 TAKE I TAKE signal inout terminal. 63 SPEED I SPEED signal inout terminal. – Analog Power supply terminal. – Reference voltage terminal 1. 64 AVDD 65 AVref1 67 ANO0 – Analog Ground terminal. O Analog 0 signal output terminal. 68 ANO1 69 AVref2 O Analog 1 signal output terminal. – Reference voltage terminal 2. 66 AVss 8 I/O 3 (TOP VIEW) Truth Table Input O FADEDAT signal output terminal. O FADECLK signal output terminal. O FADELD signal output terminal. I 24SW input terminal. 58 FADELD GND 7 Port signal input/output terminals. O (8-Bit) O – Power supply terminal. Switch Control I/O – O/I 21 L OFF H ON 2.27. IC13 on the Main Board is using the 6 dB Video 2.29. IC900 and IC901 on the Main Board are using the Amplifier with 75Ω Driver IC YWNJM2267M. 3-Input Video Switch IC YWNJM2245M. Description of these IC is as follows: Description of this IC is as follows: Vin 1 1 8 Vin 2 GND 2 7 Vcc VIN1 1 8 GND SW1 2 7 OUT 5 Vout 2 VIN2 3 SW2 4 4 Vout 1 O Output terminal for Amplifier 1. Vout 2 O Output terminal for Amplifier 2. Vsag 2 – Sag compensation terminal for Amplifier 2. Vcc – Power supply terminal. Vin 2 I Input terminal for Amplifier 2. 7 8 Vcc L H 2.07K L L VIN1 VIN2 H VIN3 : Don’t care. 4 Vout 1 75 Ω Driver 6.2 dB Amp. 2.30. IC801 and IC804 on the Main Board are using the 750 Quad 2-Input AND Gate IC YWMC74F08M. 3 Vsag 1 2.2K 8 Description of these IC is as follows: 5 Vout 2 75 Ω Driver 6.2 dB Amp. 2.07K Clamp Vin 2 SW1 SW2 OUT 7 1 Clamp Vin 1 5 VIN3 Truth Table Vsag 1 – Sag compensation terminal for Amplifier 1. 5 6 Vcc (TOP VIEW) 3 6 BIAS 15K Pin Name I/O Description 1 Vin 1 I Input terminal for Amplifier 1. 2 GND – Ground terminal. 6dB Amp. Vout 1 4 15K 6 Vsag 2 15K (TOP VIEW) Vsag 1 3 750 6 2.2K GND Vsag 2 2 2.28. IC504 and IC505 on the Main Board are using the Dual Operational Amplifier IC NJM3404AM. 1A 1 14 Vcc 1B 2 13 4B 1Y 3 12 4A 2A 4 11 4Y 2B 5 10 3B 2Y 6 9 3A GND 7 8 3Y Description of these IC is as follows: (TOP VIEW) Truth Table OUT1 1 INPUTS 8 Vcc A L L H H – + IN–1 2 7 OUT2 + – IN+1 3 6 IN2– Vss 4 5 IN+2 (TOP VIEW) 22 B L H L H OUTPUT Y L L L H 2.31. IC29 and IC43 on the Main Board are using Write Control Gate Array Logic IC YWAJ0014. 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 GND VDD AS6 AS7 AS8 AS9 GND AD7 AD8 AD9 GND S/V VDD TEST5 TEST4 TEST3 TEST2 TEST1 TEST0 RHS4 RHS3 RHS2 RHS1 RHS0 PHASE2 PGI3 PGI4 A/B PAL/NTSC SELCOUNT OFFSET D0 D1 D2 D3 D4 D5 D6 D7 REG0 REG1 REG2 REG3 REG4 REG5 GND ST2 GND Y3CLK CCLK PHASE1 PHASE0 Description of this IC is as follows: 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 (TOP VIEW) GND YCLK GND TSTOUT TN GND H V SHDG GND VDD GND YAD7 YAD6 YAD5 YAD4 YAD3 YAD2 YAD1 YAD0 VDD GND FRMLM0 FRMLM1 FRMLM2 FRMLM3 FRMLM4 FRMLM5 FRMLM6 FRMLM7 VDD GND TOLM7 TOLM6 TOLM5 TOLM4 TOLM3 TOLM2 TOLM1 TOLM0 WRST RRST LMCLK GND CLMP VDD GND GND PCO VDD GND GND GND OSC1IN GND PCO GND VDD 4FSC GND GND SC7 SC6 SC5 SC4 SC3 SC2 SC1 SC0 GND GND YADCLK GND SY7 SY6 SY5 SY4 SY3 SY2 SY1 SY0 GND 4FSCS VDD COMPC0 COMPC1 COMPC2 COMPC3 COMPC4 COMPC5 COMPC6 COMPC7 GND GND COMPY0 COMPY1 COMPY2 COMPY3 COMPY4 COMPY5 COMPY6 COMPY7 GND OSC2IN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 GND DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 VDD AS5 AS4 AS3 VDD AD6 AD5 AD4 AD3 AD2 AD1 AD0 VDD GND DTD CAS RAS AS2 AS1 AS0 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 GND VDD CMD WE CC0 CC1 RST DCARE EXI EXSYNC GND OSC1D GND VDD GND Pin 1 2 3 4 5 6 7 8 9 10 Name GND OSC1IN GND PCO GND VDD 4FSC GND GND SC7 I/O – I – O – – O – – I Description Ground terminal. Oscillator input terminal. Ground terminal. PCO signal output terminal. Ground terminal. Power supply terminal. 4FSC signal output terminal. Ground terminal. Ground terminal. Serial clock pulse input terminal. Pin 11 12 13 14 15 16 17 18 19 20 23 Name SC6 SC5 SC4 SC3 SC2 SC1 SC0 GND GND YADCLK I/O Description I I I I Serial clock pulse input terminals. I I I – Ground terminal. – – Not used. Pin Name I/O 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 GND SY7 SY6 SY5 SY4 SY3 SY2 SY1 SY0 GND 4FSCS VDD COMPC0 COMPC1 COMPC2 COMPC3 COMPC4 COMPC5 COMPC6 COMPC7 GND GND COMPY0 COMPY1 COMPY2 COMPY3 COMPY4 COMPY5 COMPY6 COMPY7 GND OSC2IN GND GND VDD PCO GND GND VDD CLMP GND LMCLK RRST WRST TOLM0 TOLM1 TOLM2 TOLM3 TOLM4 TOLM5 TOLM6 – I I I I I I I I – O – I I I I I I I I – – I I I I I I I I I I – – – O – – – O – O O O O O O O O O O Description Ground terminal. SY signal input terminals. Ground terminal. 4FSCS signal output terminal. Power Supply termianl. COMPC signal input terminals. Ground terminal. Ground terminal. COMPY signal input terminals. Ground terminal. Oscillator input terminal. Ground terminal. Ground terminal. Power supply terminal. PCO signal output terminal. Ground terminal. Ground terminal. Power supply terminal. CLMP signal output terminal. Ground terminal. LMCLK signal output terminal. R Reset signal output terminal. W Reset signal output terminal. TOLM signal output terminals. 24 Pin Name I/O 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 TOLM7 GND VDD FRMLM7 FRMLM6 FRMLM5 FRMLM4 FRMLM3 FRMLM2 FRMLM1 FRMLM0 GND VDD YAD0 YAD1 YAD2 YAD3 YAD4 YAD5 YAD6 YAD7 GND VDD GND SHDG V H GND TN TSTOUT GND YCLK GND PHASE0 PHASE1 CCLK Y3CLK GND ST2 GND REG5 REG4 REG3 REG2 REG1 REG0 D7 D6 D5 D4 O – – I I I I I I I I – – O O O O O O O O – – – I I I – I O – I – I I I I – I I I I I I I I I I I I Description TOLM signal output terminal. Ground terminal. Power supply terminal. FRMLM signal input terminals. Ground terminal. Power supply terminal. YAD signal output terminals. Ground terminal. Power supply terminal. Ground terminal. SHDG signal input terminal. V signal input terminal. H signal input terminal. Ground terminal. TN signal input terminal. Test signal output terminal. Ground terminal. Y Clock pulse input terminal. Ground terminal. PHASE signal input terminal. PHASE signal input terminal. C Clock pulse terminal. Y3 Clock pulse terminal. Ground terminal. ST signal input terminal. Ground terminal. Register signal input terminals. Data input terminals. Pin Name 122 D3 123 D2 124 D1 125 D0 126 OFF SET 127 SEL COUNT 128 PAL/NTSC 129 A/B 130 PGI4 131 PGI3 132 PHASE2 133 RHS0 134 RHS1 135 RHS2 136 RHS3 137 RHS4 138 TEST0 139 TEST1 140 TEST2 141 TEST3 142 TEST4 143 TEST5 144 VDD 145 S/V 146 GND 147 AD9 148 AD8 149 AD7 150 GND 151 AS9 152 AS8 153 AS7 154 AS6 155 VDD 156 GND 157 GND 158 DQ15 159 DQ14 160 DQ13 161 DQ12 162 DQ11 163 DQ10 164 DQ9 165 DQ8 166 VDD 167 AS5 168 AS4 169 AS3 170 VDD 171 AD6 172 AD5 I/O I I I I I I I I I I I I I I I I I I I I I I – I – O O O – O O O O – – – I/O I/O I/O I/O I/O I/O I/O I/O – O O O – O O Pin Description 173 174 175 176 177 178 179 180 181 Data input terminals. OFF SET signal input terminal. SEL COUNT signal input terminal. PAL/NTSC signal input terminal. A/B signal input terminal. PGI signal input terminal. PGI signal input terminal. PHASE signal input terminal. Name ADR 4 ADR 3 ADR 2 ADR 1 ADR 0 VDD GND DTD CAS 182 RAS RHS signal input terminal. TEST signal input terminal. Power supply terminal. S/V signal input terminal. Ground terminal. Address signal output terminal. Ground terminal. AS signal output terminals. Power supply terminal. Ground terminal. Ground terminal. DQ signal input/output terminal. Power supply terminal. AS signal output terminals. Power supply terminal. AD signal output terminals. 25 I/O O O O O O – – O O Description ADR signal output terminal. Power Supply terminal. Ground terminal. DTD signal output terminal. Column Address Strobe signal output terminal. O Row Address Strobe signal output terminal. 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 AS2 AS1 AS0 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 GND VDD CMD WE O O O I/O I/O I/O I/O I/O I/O I/O I/O – – O O 198 199 200 201 202 203 204 205 206 207 208 CC0 CC1 RST DC ARE EXI EXSYNC GND OSC1D GND VDD GND O O I I I I – – – – – AS signal output terminals. DQ signal input/output terminals. Ground terminal. Power Supply terminal. CMD signal output terminal. Write enable signal output terminal. CC signal output terminals. Reset signal input terminal. DC ARE signal input terminal. External signal input terminal. External sync signal input terminal. Ground terminal. Not used. Ground terminal. Power Supply terminal. Ground terminal. 2.32. IC800 on the Main Board are using Gate Array Logic IC YWUPD6511GC. Description of this IC is as follows: CCI CC0 XWE DQ0 CK1 Vcc GND CKUO CKU DQ1 DQ2 DQ3 DQ4 Description 28 DQ3 I 29 DQ2 I 39 38 37 36 35 34 33 32 31 30 29 28 27 Pin I/O 30 DQ1 I 31 CKU I CKU signal input terminal. 32 CKUO I CKUO signal input terminal. 33 GND I Ground terminal. 34 Vcc I Power supply terminal. 35 CKI I CKI signal input terminal. 36 DQ0 I DQ signal input terminal. 37 XWE I Write enable input terminal. 38 CC0 I 1 2 3 4 5 6 7 8 9 10 11 12 13 XCC1 XCC0 XWE XDQ0 XDQ1 XDQ2 XDQ3 XDQ4 XDQ5 XDQ6 XDQ7 XAS0 XAS1 Name 39 CC1 I XAS2 XDQ8 XDQ9 XDQ10 XDQ11 XDQ12 GND XDQ13 XDQ14 XDQ15 SEL DQ15 DQ14 Pin 40 XCC1 O 41 XCC0 O 42 XWB 43 XDQ0 O XWB signal output terminal. O 44 XDQ1 O 45 XDQ2 O 46 XDQ3 O 47 XDQ4 O 48 XDQ5 O 49 XDQ6 O 50 XDQ7 O 51 XAS0 O 52 XAS1 O 40 41 42 43 44 45 46 47 48 49 50 51 52 Name (TOP VIEW) I/O 1 XAS2 O 2 XDQ8 O 3 XDQ9 O 4 XDQ10 O 5 XDQ11 O 6 XDQ12 O 7 GND – 8 XDQ13 O 9 XDQ14 O 10 XDQ15 O 11 SEL I 12 DQ15 I 13 DQ14 I 14 N.C. – 15 DQ13 I 16 DQ12 I 17 DQ11 I 18 DQ10 I 19 DQ9 I 20 DQ8 I 21 AS2 I 22 AS1 I 23 AS0 I 24 DQ7 I 25 DQ6 I 26 DQ5 I 27 DQ4 I 26 25 24 23 22 21 20 19 18 17 16 15 14 DQ5 DQ6 DQ7 AS0 AS1 AS2 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 N.C. Description XAS signal output terminal. XDQ signal output terminals. Ground termial. XDQ signal output terminals. SEL signal input terminal. DQ signal output terminals. No connection. DQ signal input terminals. AS signal input terminal. DQ signal output terminals. 26 DQ signal input terminals. CC signal input terminals. XCC signal output terminals. XDQ signal output terminals. XAS signal output terminals. ADJUSTMENT PROCEDURE Remove five screws. 1. Test Equipment Required The following Test Equipments are required for adjustment of the Digital AV Mixer WJ-AVE55. Oscilloscope Frequency Counter Digital Voltmeter Vectorscope Waveform Monitor Underscanned Colour Video Monitor Video Signal Generator Audio Generator Disconnect the flat cable. Extension Board (Part Number: YWV01034AN) for Power Remove five screws. Board and Main Board as shown Fig. 1-1. Fig. 2-2 Referring to Fig. 2-3, connect the Extension Board Fig. 1-1 between CN3 on the Power Board and CN3 on the Main Board. 2. Disassembling Procedure for Adjustment Referring to Fig. 2-1, remove nine screws that secure the Upper Cover and remove the Upper Cover. Connect the Extension Board. Fig. 2-3 Remove nine screws. Fig. 2-1 Referring to Fig. 2-2, remove five screws that secure the Shield Cover and remove the Shield Cover. Disconnect the Flat Cable from CN3 on the Power Board and CN3 on the Main Board. Remove five screws that secure the Main Board and remove the Main Board. 27 3. Write A VCO Adjustment 3. Connection and Setting Up for Adjustment Test Point: TP2 (WRITE A VCO) Main Board Adjust: L72 (WRITE A VCO) Main Board The Fig. 3-1 shows the connection diagram for the Supply the Composite Video signal to the COMP adjustment procedure. Connector of the SOURCE1 section. Waveform Monitor Vectorscope Underscanned Colour Video Monitor Press the SOURCE1 Button of the A-Bus. Connect the Digital Voltmeter to TP2. Adjust L72 to obtain 1.8 ± 0.1V. 4. Write B VCO Adjustment 75Ω COMP. REC OUT WJ-AVE55 TP4 (WRITE B VCO) Main Board Adjust: L71 (WRITE B VCO) Main Board Supply the Composite Video signal to the COMP SOURCE1/2 COMP. Lch Rch Test Point: Connector of the SOURCE1 section. Audio Generator Press the SOURCE1 Button of the B-Bus. Video Signal Generator Connect the Digital Voltmeter to TP4. Fig. 3-1 Adjust L71 to obtain 1.8 ± 0.1V. Connect the Underscanned Colour Video Monitor through 5. A-Bus Y Gain Adjustment Waveform Monitor to the COMP OUT Connector on the Test Point: COMP Connector of REC OUT Rear Panel REC OUT Section of the Rear Panel. Adjust: VR2 (Y GAIN) Main Board Terminate the input terminal of the Underscanned Colour Supply the Composite Video signal to the COMP Video Monitor with 75 Ω. Connectors of the SOURCE1 and SOURCE2 sections. Connect the probe of the Digital Voltmeter, Oscilloscope Press the SOURCE1 Button of the A-Bus and SOURCE2 or Frequency Counter at the desired Test Point in each Button of the B-Bus. adjustment step. Connect the Colour Video Monitor to the Preview Output The adjustments should be done after 10-minute warm up. Connector on the Rear Panel. Press the Wipe Button, the Wipe Menu should be displayed on the Colour Video Monitor. 4. Adjustment Procedure Refer to the Location of the Test Points and Adjusting Controls on page 30. Select by using the Up/Down/Left/Right Buttons. Select by using the SELECT/UNDO Button. Connect the terminated Oscilloscope with 75Ω to the COMP Connector of the REC OUT section. Set the Mix/Wipe Control to the B-Bus side (down side). 1. Subcarrier Frequency Adjustment Test Point: TP21 (FSC) Main Board Adjust: VR3 (FSC) Main Board Confirm the Luminance signal level of the B-bus. Set the Mix/Wipe Control to the A-Bus side (upper side). Adjust VR2 so that the Luminance signal level becomes Disconnect all signals from the Input terminals of the WJ- same level ± 21 mV as B-Bus Luminance signal level as AVE55. shown in Fig. 4-1. Connect the Frequency Counter to TP21. Adjust VR3 to obtain 17.732676 MHz ± 5 Hz. 2. Read VCO Adjustment Test Point: TP6 (READ VCO) Main Board Adjust: L929 (READ VCO) Main Board Disconnect all signals from the Source Input Connectors of the WJ-AVE55. Connect the Digital Voltmeter to TP6. Adjust L929 to obtain 2.8 ± 0.1V. 28 B-Bus Y Level ± 21 mV Fig. 4-1 6. A-B H Phase Adjustment Test Point: Adjust: TP10 (A SYNC) Main Board TP11 (B SYNC) Main Board VR5 (H PHASE) Main Board Supply the Composite Cross-hatch Pattern signal to the COMP Connectors of the SOURCE1. Press the Mix/Wipe Button. Press the SOURCE1 Button of the A-Bus and B-Bus. Connect the Video Monitor to the Preview Output Connector on the Rear panel. Set the WIPE/MIX Control to the Center position. Adjust VR5 so that the Cross-hatch Pattern signal of ABus and B-Bus becomes coincides on the Video Monitor as shown in Fig. 4-2. No Good Good Fig. 4-2 29 LOCATION OF TEST POINTS AND ADJUSTING CONTROLS MAIN BOARD (Component Side) TP10 (A SYNC) TP2 (WRITE A VCO) TP16 (Y GAIN) L72 (WRITE A VCO) VR2 (Y GAIN) VR5 (H PHASE A-B) TP11 (H PHASE A-B) TP18 TP4 (WRITE B VCO) Rear Front L71 (WRITE B VCO) L929 (READ VCO) TP6 (READ VCO) TP9 (HBLK) TP21 (FSC) TP8 (VBLK) VR3 (FSC) 30 APPEARANCE OF IC, TRANSISTOR AND DIODE YWAJ0014 YWAJ0016 YW78P4026GCA YWM5M4V416 YWUPD6511GC YWM141625BFU MN65752H YWMB40968PF YWUPD42102G3 36 105 27 104 80 81 26 40 41 25 3 13 15 24 52 156 53 157 52 120 41 121 40 54 21 60 49 20 61 17 208 1 80 1 160 14 36 13 13 37 19 12 24 28 40 14 12 70 1 52 48 1 1 1 1 1 MC74HC374AF YWUPD4721GS YWM62352GP MC74HC541F YW74ABT244DB YWM51132FP MC74HC4052F YWMC74HC175F 11 MC74HC4066F YWMC74HC08F 9 8 YWSC7SU04F YWSC7S00F YWSC7S08F 10 YW78L05UATE1 YW78L05UATE2 5 8 8 YWM5237ML 7 2 1 1 1 1 2 1 3 1 1 1SV153 YWERA1502 YWERA84009 YWERA34-10 YWERA9102 K YWKV1471 MA141KTX MA741TX K YWRB421D K A A 2SC3377 1 2 3 1 2SC2866 2 K A 3 2SK662-PQR K A C 4 2 3 3 2 G A 1 2SA1576 2SC4081 2SD1979 2SB1219QRST 2SC4713K 2SD601-QR 3 1 2 A S1WBA60 2 3 2 2 1 K YWRD18JT1B2 3 3 YWUPC24M12HF 3 3 4 2 1 YWTA76431S 4 5 14 16 20 YWNJM2267M YWLM1881M YWNJM2268V NJM3404AM YWM51953AFP 1 1 – 31 – B E E C B B C E S D CHIP COMPONENTS 2. Chip Diode 1. Chip Transistor The diode number is indicated on the top surface of the chip diode using two alphabet letters. The transistor number is indicated on the top surface of the chip transistor using two alphabet letters or one numerical number and two alphabet letters. M Type Diode Rank of DC Current Gain (hFE) Transistor Number Diode Number Transistor Number Letter MA MB MC MD ME MF MH MH MC (Chip Transistor) Letter Transistor No. Letter A 2SB709 X B 2SB709A Y 2SB710 Z C 2SB710A 1A D 2SA1022 1B E 2SA1034 1C F 2SA1035 1F H I 2SB792 1K K 2SC2778 1L P 2SD814 1M 2SD813 1N Q 2SC2480 1O R 2SC2405 1T S 2SC2406 1X T 2SC2404 1Z U 2SC2295 2B V 2SD602 2C W BQ 2SB766A UMT Transistor No. 2SD602A 2SD601 2SD601A 2SB799 2SB814 2SB902 2SK321 2SK316 2SK247 2SJ84 2SK199 2SK198 2SC3077 2SC2845 2SD1030 2SK374 2SK116 2SC4081 Example: 3 The resistor value is indicated on the bottom surface of the chip resistor using three digit numbers. Rank of DC Current Gain (hFE) Transistor Number Example: 330 561 123 Transistor C: Collector B: Base E: Emitter E FET Gate 2 1 Eacept 2SK199 2SK199 Source 1 Drain Gate 2 Source Drain 33 x 10 0 = 33 Ω 56 x 10 1 = 560 Ω 12 x 10 3 = 12 kΩ Note: Zero ohm resistor (jumper chip) is colored red or green. Drain 3 1 2 3 – Anode Cathode – Anode Cathode Cathode Anode – Anode Cathode Anode Cathode Cathode Anode Cathode Anode Common Anode Cathode – Anode Cathode Common – Cathode Anode Anode – Cathode 3. Chip Resistor Appearance and Symbols B Cathode 1 MA28/MA28W/MA28T MA151K/MA152K MA151A/MA152A MA151WK/MA152WK MA151WA/MA152WA MA153 MA141K MA143 MA3062 RD421D 2SD602-Q 2SD601-Q 2SB814-S C Anode 2 Letter Transistor No. Letter Transistor No. XN1501 5H XP4501 5R 7S XN1601 XP4601 5C XN4501 5H XP4501 5H XN4601 5C XP5501 5L XN5501 5L 4N XP5601 4N XN5601 7S XP6501 5N XN6501 7W XP6435 7W XN6435 7F XP6534 7F XN6534 UMX1 X1 XP1501 UMZ1 5R Z1 7S XP1601 WQ YQ 1BS Letter Diode No. MI MA152K MK MA28W-B ML MA28T-A MN MA151WA MO MA152WA MT MA151WK MU MA152WK 6.2 MA3062 SMD RD421D Appearance and Symbols (Small Chip Transistor) (Pair Transistor) Letter Transistor No. A 2SB1218 B 2SB1218A 2SB1219A D U 2SC3931 W 2SD1820 X 2SD1820A Y 2SD1819 E3 2SA1226 2SB1219 OS UC 2SA1532 2SC3938 YU Diode No. MA151A MA152A MA153 MA28-A MA28-B MA28W-A MA151K MA141K MA143 3 Gate Source 32 5-1. Removal (Transistor, Diode, Resistor and Capacitor) 1. Add the solder to both ends of the chip (three leads for chip transistor). 2. While attaching the soldering iron to both ends of the chip (three leads for chip transistor) as shown below, remove the chip by turning with tweezers. 4. Chip Capacitor The capacitive value of replacement chip capacitors is indicated on the bottom surface. Original parts have no value indication. If the capacitive value is less than 100 pF, the value will be indicated by one or two digit number expressing the capacity directly in pF. Note: Be careful not to damage other chips. Example: 0.5 0.5 pF .75 0.75 pF 2.5 2.5 pF 33 33 pF Tweezers 1 1 pF 82 82 pF If the capacitive value is 100 pF or greater, the value will be indicated by an alpha-numeric code. The letter precedes the number and expresses a numerical value to be multiplied by the number which follows. Chip Soldering iron 5-2. Removal (IC) 1. Add the solder wick and soldering iron to each lead of the IC and remove solder. Multiplier (1 - 5) Numerical Value Solder wick Numerical Value Letter Value A 10 B 11 C 12 D 13 E F G H J K L M 15 16 18 20 22 24 27 30 Chip Letter Value N 33 P 36 Q 39 R 43 S T U V W X Y Z Soldering iron 2. Add the soldering iron to each lead of the IC and left each lead of the IC using thinner pin. 47 51 56 62 68 75 82 91 Thinner Pin 3. Remove the IC turning with pliers. * Letters I and O are not used. Example: 10 x 10 1 = 100 pF N2 33 x 10 2 = 3300 pF S3 47 x 10 3 = 47000 pF A1 Soldering iron Chip Pliers Turn Chip 5. Precautions in replacing the chip component 5-3. Mounting 1. Place the solder thinly on the chip mounting foil. 2. Solder the chip temporarily while holding the chip with the tweezers. 1. Make sure that the unit is turned OFF when replacing the chip. 2. Use tweezers to prevent any damage to the chip surface. 3. Do not re-use the chips after removal. 4. Do not rub the electrode of chips. 5. Do not subject the chips to excessive stress. 6. It is recommended that a pencil-type soldering iron to be used. 7. The solder whose diameter is less than 0.5 mm is recommended. 8. Do not heat the chip more than 3 seconds. 9. Maintain temperature control under 260°C (500°F) when soldering. Tweezers Chip Solder Soldering iron 3. Solder both ends of the chip (three leads for chip transistor). Chip Solder Soldering iron 33 BLOCK DIAGRAM OF SWITCH BOARD POSITIONER BOARD SWITCH BOARD CN3 10 7 UPPER SIDE 1 2 3 LOWER SIDE 9 6 5 4 UPPER LOWER F.G. XPOSI YPOSI N.C. N.C. N.C. 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 7 1 UPPER LOWER F.G. XPOSI YPOSI GND GND GND 8 2 6 UPPER 5 XPOSI YPOSI 5 1 2 3 VR2 SPEED 4 F.G. SPEED TAKE LOWER UPPER 4 3 9 6 10 LOWER VR1 TAKE CN1 D31 POWER CN2 F.G. LOWER UPPER XPOSI YPOSI TAKE SPEED VR3 POSITIONER SW7 SW8 WIPE/MIX LUM KEY CHROMA KEY NO. SET FADE AUDIO SELECT SW9 SW10 SW11 SW12 SW13 SW14 SW15 SW16 A SOURCE 1 A SOURCE 2 A SOURCE 3 A B.C. OSD WIPE OSD DVE OSD COL A SOURCE 4 SW17 SW18 SW19 SW20 SW21 SW22 SW23 A DVE A FREEZE AUTO FADE AUTO TAKE 1 2 SW25 SW26 SW27 SW28 SW29 B SOURCE 1 B SOURCE 2 B SOURCE 3 B B.C. SW33 SW34 SW35 B DVE B FREEZE EVENT MEMORY D3 D7 D8 D9 D10 WIPE/MIX LUM KEY CHROMA KEY NO. A SOURCE 4 D11 D12 D13 D14 D15 SW24 A SOURCE 1 A SOURCE 2 A SOURCE 3 A B.C. POSITION 3 4 D16 D17 D18 D19 D20 SW30 SW31 SW32 A DVE A FREEZE AUTO FADE AUTO TAKE SCENE 5 6 7 8 D21 D22 D23 D24 D25 SW36 SW37 SW38 SW39 SW40 B SOURCE 1 B SOURCE 2 B SOURCE 3 B B.C. COLOR CORRECT EVENT CALL 9 0 ENTER B SOURCE 4 D26 D27 D28 D29 D30 B DVE B FREEZE EVENT MEMORY EVENT CALL B SOURCE 4 – 34 – Q10 Q9 LED3 Q8 LED2 LED1 LED0 Q6 KEY0 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7 Q7 D5 D4 D6 SCAN0 SCAN1 SCAN2 SCAN3 SCAN4 KEY0 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7 LED0 LED1 LED2 LED3 LED4 LED4 SW6 Q5 SW5 Q4 SW4 Q3 SW3 Q2 SW2 Q1 SW1 D2 D1 SCAN0 SCAN1 SCAN2 SCAN3 SCAN4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 5V 5V GND GND F.G. LOWER UPPER XPOSI YPOSI TAKE SPEED SCAN0 SCAN1 SCAN2 SCAN3 SCAN4 KEY0 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7 LED0 LED1 LED2 LED3 LED4 To Main Board (2/2) BLOCK DIAGRAM OF MAIN BOARD (1/2) MAIN BOARD SOURCE 1 S-Y 4 Q39 BUFFER SOURCE 1 COMP 8 SOURCE 1 BIAS 6 SOURCE 2 S-C 9 SOURCE 2 S-Y 12 BUFFER 14 SOURCE 3 S-C 17 SOURCE 3 S-Y 20 BIAS2 Q45 SOURCE 3 COMP 24 SOURCE 3 BIAS BIAS3 22 SOURCE 4 S-C 25 SOURCE 4 S-Y 28 Q48 BUFFER SOURCE 4 COMP 32 SOURCE 4 BIAS 10 9 BUFFER 2 3 A5V 4 A5V +12V 5 +12V GND 6 FGND 7 FGND 8 SOURCE 1L 37 15 SYNC SEPARATOR OUT2 IN1 OUT1 SOURCE 1L GND 36 CONT1 5 IC501 SOURCE 2R GND 38 ELECTRONIC VR SOURCE 2 R 40 SOURCE 2 L 42 11 15 SOURCE 2L GND 41 SOURCE 3R GND 43 SOURCE 3 R 45 SOURCE 3 L 47 11 15 SOURCE 3L GND 46 SOURCE 4R GND 48 SOURCE 4 R 50 SOURCE 4 L 52 SOURCE 4L GND 51 11 15 IN2 IN1 OUT2 4 ZB 3 CONT1 OUT1 5 IC502 ELECTRONIC VR IN2 OUT2 IN1 OUT1 CONT1 5 IC503 ELECTRONIC VR IN2 IN1 OUT2 CONT1 5 OUT1 54 REC OUT R 56 REC OUT S-C 57 REC OUT S-Y 60 3 Q125 BUFFER FILTER AMP. 3 IC901 SWITCH 203 202 68 70 RS232C DR 71 IC39 A/D CONVERTER TP17 BUFFER 40 9-16 VINB 21-28 IC505(1/2) Q133 BUFFER BUFFER 45 VINA 1 AMP. FILTER Q138 BIAS 7 6 IC504(2/2) FADE3 7 AMP. 22-29 SC0-SC7 10-17 TP4 (WRITE B VCO) IC44,D15 L71 (WRITE B VCO) 2 OSC Q137 Q150 10 SY0-SY7 DA0-DA7 DB0-DB7 TP18 Q130 TP5 FILTER 4 Q146,X3 OSC IC505(2/2) Q132 CLAMP Q513 BUFFER FADE4 5 AMP. 8 Q140 Q9-Q11 BUFFER AMP. 17 CLOUT VIN YOUT D0-D7 45 D0-D7 CLK C0-C7 25-32 4 AMP. 1 IC13(1/2) 4 AMP. 1 IC13(2/2) 5 AMP. 8 Q141 BUFFER BUFFER IC52 D/A CONVERTER Q5,Q6 FILTER BUFFER Q13 Q12 IC14(1/2) CF5 Q17 CF6 BUFFER AMP. Q7,Q8 FILTER BUFFER COUT YOUT B1-B8 20 BOUT 22 AOUT A1-A8 Q14-Q16 Q20 CLKB MIX Q36 MIX CCLK HD 1-4, 25-28 14 CLKA Q28 Q25-Q27 BUFFER SVSELB 6-13 BIAS CF7 AMP. VD Q37 BUFFER TOGPI BUFFER IC16 RS232C DRIVER 14 DOUT1 12 RIN1 DIN1 ROUT1 AMP. FILTER 9 DT1 DR1 197 1 2 CMD RAS CAS DTD PCO CLMP 147-149,171-177 107 98 97 H AS3-AS9 PAL/NTSC A/B IC801(4/4) 20 YOUT 22 CLKA BOUT AOUT CLKB VD5V 10 9 5 14 6-13 B1-B8 A1-A8 1-4, 25-28 – 35 – 90 98 VD5V WP2/TD1 86 WP1/TD0 PAL WP0 LMRST VD5V IC48 CHAR 199 198 197 11 15-20, GATE ARRAY LOGIC 24-30,36 DQ0 XDQ0 | | DQ15 XDQ15 21-23 AS0 XAS0 1,51,52 | | AS2 XAS2 40 39 XCC1 CC1 41 38 XCC0 CC0 42 35 XWE WE 32 31 BCKUI CKUI CKUO 35 CKI R830-R832 1 13 12 CMD RAS CAS DTD VD5V 16 1Y2 1A2 4 18 1Y1 1A1 3 12 1Y4 1A4 8 14 1Y3 1A3 6 1 KBB 156 KBR YCLK KBG AIN0-AIN7,SHGA 111-119 BIN0-BIN7,SHGB 122-130 +9V REG 3 2 CN4 1 CHARIN RCLK 8 B 9 R 107 10 G To Titler 152 CCLK TP6 (READ VCO) IC53,D930 L929(READ VCO) OSC Q3 FILTER 159 BIN0-BIN7 OSC2IN SHGB D0B-D7B,ST1B 66-72 REG0B-REG5B 74-80 ST1 HPC 3 REG0-REG5 D0-D7 5-8, 10-13 RECC0-RECC7 HD 32-35, 37-40 47-54 11,13,14,16, 19,21-24, IC46 47,49,50, 52,55,57, CACHE D-RAM 58,60 DQ0-DQ15 FS4 2YCLK SYNC 4 15 58 TP9 (HD) 4 5 6 10 CC1 CC0 WE K 59 HD 61 VD PRVC0-PRVC7 PRVY0-PRVY7 FS4 HBLK 2YCLK VBLK SYNC TP21 (FSC) 26-28 AS0-AS2 RECY0-RECY7 VP 64 2 IC101 2 63 62 65 4 IC100 IC58 4 CHARACTER 16 17 18 11 GENERATOR VR VG VB BLK1 8 CCLK OSDCS OSDDAT OSDCLK 2 3 1 4 OSCIN CS DATA 19 VSYNC 20 HSYNC CLK RESET 42-44,61-64 AD0-AD9 IC804(4/4) 11 13 12 VD5V CMD RAS CAS DTD VBLK HBLK GPI BIAS1 BIAS2 BIAS3 BIAS4 DR1 DT1 FADE1 FADE2 FADE3 FADE4 SVSELA SVSELB OSDCS OSDDAT OSDCLK OSDRST 5 +9VOUT 7 KB15SW 106 AIN0-AIN7 SHGA 17-24 4 GND 6 GND 108 TP8 (VD) 8 29 30 31 8 4 Y3C 32-34,38-41,67-69 VD5V IC49 IC64 IC513 BUS BUFFER OSDRST R841 R842 R843 10 9 1 2 3 SYNC +12V AS3-AS9 103 Q2 BUFFER K BCKUI 147-149,171-177 1 2 109 4 WE ACKUI 196 CMD 182 RAS 181 CAS 180 DTD 108 Y3CLK YCLK IC55 D/A CONVERTER 92 VR3 (FSC) 2 GND 8 29 30 31 151-154,167-169 V 93 OSC IC56,D7, D8,X5 CH0 WP3/TD2 32-34,38-41,67-69 108 AS0-AS2 CCLK 99 94 43 OSC1 CH1/TD4 VD5V 196 182 181 180 183-185 WE 96 TP7 VD5V CH2/TD5 42-44,61-64 IC803 CC0 CC0 AD0-AD9 158-165 DQ0 186-193 | DQ15 CC1 CC1 CH4/TD7 CH3/TD6 97 AS3-AS9 IC804(3/4) COUT AS0-AS2 4 5 6 10 S/V 129 BUFFER SYNC R811 R812 R813 151-154,167-169 26-28 IC62 SYNC GENERATOR 102 101 12 11 13 10 14 9 15 16 4 21 3 22 2 23 1 24 6 19 8 17 DO7 DO6 DI7 DO5 DI6 DO4 RE DI5 WE DI4 DO3 DI3 DO2 DI2 DO1 DI1 DO0 DI0 RSTR RSRW RCLK WCLK SYNC AS3-AS9 145 128 BUFFER VD5V IC12 WE 198 Q23,Q24 Q30-Q32 4 7 CC0 199 85-92 YAD0-YAD7 SHDG EXSYNC 96 YAD0-YAD7 EXI SHDG D0B-D7B, ST2B REG0B-REG5B ST2, REG0-REG5 D0-D7 110, 112-125 SY0-SY7 IC42 LINE MEMORY 1-4, 75-82 9-12 FRMLM0 5 SC0-SC7 DO0-DO7 RE | 20 FRMLM7 13-16, WE 21-24 TOLM0 65-72 | TOLM0-TOLM7 TOLM7 62 8 RCLK LMCLK 17 WCLK OSC1IN 6 63 RSTR RRST 64 19 PCO R833-R840 RSTW WRST R846-R853 VD5V 2YCLK BIAS CF8 183-185 CC1 11,13,14,16, 19,21-24, IC30 47,49,50, 52,55,57, CACHE D-RAM 58,60 DQ0-DQ15 AD0-AD9 Q29 Q33 DQ0-DQ15 103 8 YCLK PAL/NTSC 85-92, 96 YAD0-YAD7 SHDG 110,112-125 ST2, REG0-REG5 D0-D7 D0B-D7B,ST2B REG0B-REG5B FS4 5 Q21,Q22 FILTER V 33-40 COMPC0 | COMPC7 31 4FSCS 43-50 COMPY0 | COMPY7 33-40 16 C0-C7 IC14(2/2) R803-R809 R816-R823 R862 15-20, GATE ARRAY LOGIC 24-30,36 DQ0 XDQ0 | | DQ15 XDQ15 21-23 AS0 XAS0 1,51,52 | | AS2 XAS2 40 39 XCC1 CC1 41 38 XCC0 CC0 42 35 XWE WE 32 31 ACKUI CKUI CKUO 35 CKI R800-R802 OSC2IN 60 IC40 Y/C SEPARATOR 16 19 5 20 52 56 10 6 RCLK WCLK RSTR RSTW IC43 WRITE CONTROL TP11 (H PHASE A-B) Q135 8 IC801(3/4) 128 IC37(3/4) SWITCH 2 H VD5V 9 62 158-165 186-193 Y3CLK Q126-Q129 BIAS MIXING 97 VD Q508 6 98 4 IC504(1/2) 16 S/V CF12,CF13 2 ZA 13 8 PCO CLMP 145 HD BIAS 4 PRV OUT COMP 66 RS232C DT 25-32 C0-C7 RE WE 5 20 TOLM0-TOLM7 63 RRST 64 WRST AD0-AD9 6 FADE2 REC OUT COMP 64 GPI YOUT C0-C7 CN5(3/3) REC OUT L CLK 4 IC18 11 YA3 1 VIN D0-D7 45 2 16 16 IC50 CLOUT 1 SA MIXING 60 SVSELA 7 10 2 4 DO0-DO7 AS0-AS2 OSC2IN VR5 (H PHASE A-B) 5 15 YA2 10 17 LMCLK PCO 52 33-40 COMPC0 | COMPC7 31 4FSCS 43-50 COMPY0 | COMPY7 33-40 D0-D7 AMP. 4 YB3 10 SA 9 SB FADE1 1 2 1 Q119-Q124 IC37(2/4) SWITCH 2 YB2 IN2 OSC Q131 14 YA1 11 Q145,X2 TP3 CLAMP 16 13-16, 21-24 IC59 LINE MEMORY IC28 LINE MEMORY IC800 OSC1IN 4 FILTER +5V IC512 SB 12 YA0 35 OSC IC26 Y/C SEPARATOR 2 IC35 SELECTOR SOURCE 1R Q118 BIAS Q511 SVSELB SOURCE 1R GND 33 Q117 9 ZA 13 5 YB1 IC500 ELECTRONIC VR FILTER Q151 IC23(3/4) SWITCH 1 YB0 CN5(2/3) TP2 (WRITE A VCO) IC33,D13 L72 (WRITE A VCO) 2 VINA 3 Q113 11 YA3 9 10-17 SC0-SC7 SC0-SC7 1 BUFFER 15 YA2 10 45 6 14 YA1 BSEL1 BUFFER 65-72 17 DB0-DB7 IC900 SWITCH 12 YA0 BSEL0 Q115 BUFFER SY0-SY7 21-28 TP16 (Y GAIN) Q139 SY0-SY7 DA0-DA7 Q101-Q104 IC34 SELECTOR DGND 9-16 VINB 56 ZA 13 8 D5V To Power Board . . CN3 AMP. 4 11 YA3 DGND 1 40 1-4, 9-12 TOLM0-TOLM7 22-29 IC19 15 YA2 AGND FILTER 2 SA 14 YA1 D5V CF10,CF11 BUFFER 2 SB 12 YA0 CN3 VR2 (Y GAIN) 7 IC21 SELECTOR BUFFER Q49 Q100 SVSELA BIAS4 30 BUFFER 5 BUFFER Q47 Q114 BIAS 3 4 YB3 9 SB 10 SA BUFFER Q46 4 ZB 3 2 YB2 BUFFER Q44 BUFFER IC23(2/4) SWITCH EXSYNC EXI IC25 A/D CONVERTER TP15 Q105 5 YB1 Q43 202 AMP. 1 YB0 BUFFER 4 Q106-Q111 ZA 13 15 YA2 BUFFER Q41 SOURCE 2 COMP 16 SOURCE 2 BIAS 14 YA1 Q40 1 2 1 SYNC SEPARATOR 11 YA3 BIAS1 Q42 12 YA0 BUFFER IC511 75-82 OSD 1 2 FRMLM0 | FRMLM7 OSDB Q38 SOURCE 1 S-C IC20 SELECTOR 203 OSDR ASEL1 CN5(1/3) IC29 WRITE CONTROL TP10 (ASYNC) IC47 OSDG +5V ASEL0 D0B-D7B (8-BIT) REG0-REG5 (6-BIT) STB1B, ST2B VBLK HBLK GPI BIAS1 BIAS2 BIAS3 BIAS4 DR1 DT1 FADE1 FADE2 FADE3 FADE4 SVSELA SVSELB OSDCS OSDDAT OSDCLK OSDRST To Main Board (2/2) BLOCK DIAGRAM OF MAIN BOARD (2/2) MAIN BOARD VD5V D1 D2 IC4 MICROPROCESSOR F5V 8 51 55 64 71 + – +12V IC11 5V REGULATOR Q1 RIPPLE FILTER 1 IN L2 D3 2 OUT GND 3 L3 IC3 RESET 6 Vcc L1 To Switch Board 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 AVREF1 – – 7 CN1 65 + + VD5V 5V 5V GND GND F.G. LOWER UPPER XPOSI YPOSI TAKE SPEED SCAN0 SCAN1 SCAN2 SCAN3 SCAN4 KEY0 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7 LED0 LED1 LED2 LED3 LED4 N.C. VDD PAL/NTSC VDD AVDD NMI 7 RESET GND 4 RESET VBLK HBLK GPI BIAS4 BIAS3 BIAS2 BIAS1 DR1 DT1 + – UPPER LOWER UPPER XPOSI YPOSI TAKE SPEED SCAN0 SCAN1 SCAN2 SCAN3 SCAN4 KEY0 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7 LED0 LED1 LED2 LED3 LED4 LOWER 2 3 4 5 6 7 8 9 A1 A2 A3 A4 A5 A6 A7 A8 IC1 BUS BUFFER Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 18 17 16 15 14 13 12 11 D0 D1 D2 D3 D4 D5 D6 D7 OE1 OE2 1 19 KEYGATE 66 XPOSI YPOSI TAKE SPEED SCAN0 SCAN1 SCAN2 SCAN3 SCAN4 D0 D1 D2 D3 D4 D5 D6 D7 LEDCLK ST1 ST2 60 61 62 63 1 2 3 4 5 12 13 14 15 16 17 18 19 20 50 25 KEYGATE 6 9 X1 2 5 6 9 12 1 1Q 2Q 3Q 4Q 5Q 1D 2D 3D 4D 5D 6D 7D 8D OC CLK XPOSI YPOSI TAKE SPEED SCAN0 SCAN1 SCAN2 SCAN3 SCAN4 3 4 7 8 13 14 17 18 11 D0 D1 D2 D3 D4 59 VBLK HBLK GPI BIAS4 BIAS3 BIAS2 BIAS1 DR1 DT1 IC15 D/A CONVERTER DATA0 DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 DATA7 LEDCLK ST1 ST2 FADELD FADECLK FADEDAT 58 57 56 SVSELA SVSELB 48 47 15 16 17 LD AO3 CLK AO4 DI AO5 AO6 BUSCLK 24 2 3 4 5 FADE1 FADE2 FADE3 FADE4 SVSELA SVSELB IC5 D-FFs BUSCLK D0 D1 D2 D3 9 4 5 12 13 CLK 1D 2D 3D 4D To Main Board (1/2) VD5V G 1Q 2Q 3Q 4Q 1 2 7 10 15 ASEL0 ASEL1 BSEL0 BSEL1 KEYGATE X2 X1 OSDDAT OSDCS OSDCLK OSDRST C15 IC7 D-FFs LED0 LED1 LED2 LED3 LED4 10 Vss 72 73 74 75 76 77 78 79 80 52 53 54 49 OSDDAT OSDCS OSDCLK OSDRST 24SW IC6 D-FFs REGCLK LEDCLK 21 REGCLK D0 D1 D2 D3 D4 D5 11 3 4 7 8 13 14 17 18 1 CLK 1D 2D 3D 4D 5D 6D 7D 8D OC 1Q 2Q 3Q 4Q 5Q 6Q 2 5 6 9 12 15 REG0 REG1 REG2 REG3 REG4 REG5 R720-R735 – 36 – REG0-REG5 (6-Bit) D0B - D7B (8-BIT) ST1B, ST2B EXPLODED VIEW Numbers show screws. No. 1 2 3 4 Screws XSB3+10FX XSB26+4FX XTB3+10CFX XTB3+10CFXK Description Binding Head Screws Binding Head Screws Binding Head Tapping Screws Binding Head Tapping Black Screws M5 M3 2 M4 M2 M27 M10 A M25 M1 FB1 M18 M8 3 M11 FB2 3 FB2 M15 M14 M24 M22 M30 M23 PCB4 B PCB5 PCB1 M16 CF101 1 M21 M13 M18 M28 PCB3 3 M19 M17 1 FB1 PACKAGING 3 4 M41 M42,43,44 M6 M26 M12 M20 M40 M47 B A M46 M45 PCB2 3 E1 WJ-AVE55 M48 M47 M7 M9 Serial No. Label M47 4 Serial No. Label M50 CN1 – 42 – M49 M49 Printed in Japan C-573 N 5,12,23