AVX-P7300DVD UC

Service
Manual
ORDER NO.
CRT2672
7 INCH WIDE AV SYSTEM DISPLAY/DVD PLAYER
AVX-P7300DVD
AVX-P7300DVD
AVX-P7300DVD
UC
EW
ES/RD,ES/RC
- This service manual should be used together with the following manual(s):
Model No.
CX-954
Order No.
CRT2670
Mech. Module Remarks
MS2
DVD Mech. Module:Circuit Description, Mech.Description, Disassembly
NOTE:
- Manufactured under license from Dolby Laboratories. "Dolby" and the double-D symbol are trademarks of Dolby
Laboratories. Confidential unpublished works. © 1992-1997 Dolby Laboratories. All rights reserved.
- Inverter for LCD back light becomes a high voltage.
- About FPC between control PCB and relay unit
There is a direction of the connector and the installation is noted.
Please note that the length of the line is short at the time of detaching.
CONTENTS
1.
2.
3.
4.
5.
6.
SAFETY INFORMATION............................................2
EXPLODED VIEWS AND PARTS LIST ......................4
BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..14
PCB CONNECTION DIAGRAM................................46
ELECTRICAL PARTS LIST........................................64
ADJUSTMENT .........................................................80
7. GENERAL INFORMATION.....................................101
7.1 DIAGNOSIS ......................................................101
7.1.1 TOUBLESHOOTING...............................101
7.1.2 DISASSEMBLY.......................................105
7.1.3 PCB LOCATION ......................................110
7.1.4 CONNECTOR FUNCTION DESCRIPTION.111
7.2 IC
................................................................112
7.3 EXPLANATION .................................................131
7.3.1 MECHANISM DESCRIPTIONS ..............131
7.3.2 OPERATIONAL FLOW CHART...............135
8. OPERATIONS AND SPECIFICATIONS ..................136
PIONEER CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2001
K-ZZU. MAY 2001 Printed in Japan
1
2
3
4
AVX-P7300DVD
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
A
D
CONTROL PCB
CN101
CN201
R 29
G 30
B 31
R
1
G
2
B
3
7
5
RET H
9
RET V
10
A
IC 604
M62354GP
RGB
CONNECTOR
VDD
BUP
BL+B
Q853
75
AVREF0
6
40
adpw
BLTPW
Q13
ILM+B
4
IC 301
TC74HC123AF
2
IC 101
NJM2903V
9 3
6
IC 103
TC74VHCT08AFT
53
DIM
6
OSDCK/OSDCS/OSDDT
KEY0/KEY1/KEY2
KEY0/KEY1/KEY2
Q1101
ILMPW
RGB/com
Q24
OSD
Q23
BUP
44
RGB/COM 15
15
OSD 21
45
BEEP_M
35
24 HSY
25 VSY
DIMMER 45
IC 605
TC74VHCT08AFT
IC 602
PE5230A
20 R
21 G
22 B
HSY 27
VSY 26
1
4
1
MONITOR
CONTROL
BUP
Q11
VDD
5
DIM
Q604
Q25
1
3
IC 302
TC7W34FU
RELAY UNIT
CN1103
BZ601
IC 307
NJM2235V
1
pwsave
36 VSEL
V/SYNC 33
7
VCC
30 OSD
18 VIDEO
Q26
76
LSENS
SWVDD
16
13
17
Q27
SPSP+
EW,ES
Q203
34
pwsens
1
60
reset
Q33
V+9V
IC 603
S-80734ANDYI
2
BUP
Q34
7
IC 303
BA7071F
1
7
IC 309
NJM2235V
1
CN402
VDD
COMP 2
REMIN 8
LED _V 6
AV_ON 5
5
Q603
41
CN202
VPW
55
2
X1
X2
3
Q403
2
Q404
KEY3
69
CN401
6
isens 37
asens 65
bsens 66
SYSPW_M
70
A
54
PBSENS
3
SPEAKER
59
AVON
BUP
B
VBU,MTRPW,MTR,DEGPUL,DEG0
SWVDD
RESET
PWRVI
BUP
AV BUS
CONNECTOR
P.B.
ILM
GND
1
1K(1/2W)
B.U.
8 REAR L
10
V.OUT
16
14
15 REAR
13
80
X601
4.19MHz
Q22
5
46
61
VSYNC
39
V+5V
Q21
CN1901
Q653
RGLED-B
3
3
10
10
ILM+B
F
KEY
MATRIX
Q851
REMIN
11
11
6
6
IC 1901
TSOP1840SB1
S1902
reset
RESET
CN651
91
REMIN
11
reset
70 isens
92 asens
93 bsens
30
PBSENS
DVD
CONTROLLER
IC 701 (1/2)
PE5285A
C
LPC01
RFENV
41
5
IC 1101
NJM2904M
3
Q1108
4
LPC02
XWR
IC 1509
TC74VCX74FT
Q1105
FEP
IC 1100
AN8702FH
VSHF
MCK33
ADSC
IC 1200
GBAL, MN677061ZYUB
Q1107
2
100
SDRAM
12
8
10
13
IC 1504
TC74VCX04FT
IC 1501
MSM56V16160F8TKFM
AV CHIP
IC 1502
MN677532JAUB
11
IC 1503
TC74VCX74FT
33
ODC
IC 1400
MNZS25BDAUB
TBAL,
FBAL
A,B1-4,C,RF+,RF-
5
59
3
Q1102
27
30
CN
HCLK
XBWR
11
IEC958
124 99
85
IEC958
IC 1403
TC74LCX244FT
1
110
X1700
5MHz
23
7
X1
TILT1
Q1110
36
LCDSG2
CPU
IC 1700
PE5277A
TILT2
Q1111
DRIVER BLOCK
FOP,FOM,TOP,TOM
SPINDLE
MOTOR
D
CN1300
M
EC,CONT
M
COP,COM
AVREF
83
79
S1301
3
VCONTA
VCONTB
96
IC 1704
TC74VCX08FT
LOADING
MOTOR
97
23
2
104
1
59
2
IC 1705
TC7SH04FU
4 2
IC 1706
TC7SH32FU
12
4
CTS,DTR,RXPC,TXPC,VPP,SICOMN,
SOCOMN,SCKCOMN
CN
86
116
VCO
117
VCO
IC 1701
M5M5V216ATP-70HI
Q1601
6
IC1702
PD6354B
1
11
IC 1802
BA033SFP
2
4
IC 1803
BA18BC0WFP
14
IC 1804
BA00BC0WFP
4
3
1
F1600
VD63
VCC33
2
4
CN
VIDEO
Q1600
3
FLASH MEMORY
1
2
7
1
107
1
1
IC 1405
TC7SH04FU
V
1
SRAM
17
L/E ON/OFF SW
2
M
FSSW
DSCSNS
S1303
S1302
XCSSRAM
ADENA
CLAMP SW
CARRIGE
MOTOR
XRES
IC 1506
SM8703AV
24
4
71
10 12cm detect SW
S1304
LOP
8cm
detect
SW
BUSISO
Q1700
IC 1300
BA5985FM
9
LOM
XWR
CLOCK GEN
22
A0-17,D0-15
TILT3
XUWR
8
33
LCDSG3
90
VCC18
2
EXTCK,SRCKAV,
AOUT0,LRCKAV
LCDSG1
78
CLKOUT
X2
CD/DVD
94
Q1109
19
63
X2ENV
62
6
4
9
IC 1500
MSM56V16160F8TKFM
7
EXTCK
2
28 78LD
PICKUP
UNIT
(SERVICE)
(DP4)
SYSTOMS 96
IRQPWR 35
SDRAM
Q1104
65LD
CLK27
30
3
6
11
8
DVD CORE UNIT V
CN1100
VGOUT
I
78
42
37
95
DISCSET
AMUTE
TMODE
MSTOSYS
1
2
Q1602
Q1603
VCC
AM
IC 1601
AK4380VT
VCC27
4
11
Lch
10
Rch
6
5
8
7
AVX-P7300DVD
Y UNIT
LCD MODULE
CN1101
1 R
14 G
8 B
2
IC 1108
TC7S08FU
4
9
IC 1107
TC74HC123AF
4
2,7,
12
2
1
IC 1105
BA7603F
3
5
4
3
6
2
IC 1103
TC7SH32FU
4 2
IC 1104
TC7S08FU
8
IC 1102
NJM2267V
1
LCD_R 25
LCD_G 24
LCD_B 23
6
7
IC 1101
BA7623F
LCD
BACK LIGHT
LCD
A
3,4 LCD_V 28
1,2
4
12
IC 1106
PD5582A
18
E
/KEY2
INVERTER PCB
12
Q2941 Q2942
6
T2941
Q2943
CN2941
HSY 21
VSY 20
DIM 41
19
DIM
IC 2941
OZ960IS
7
101
Q2944
20
CN2942
VCC
B
48
W,MTR,DEGPUL,DEG0SW
S2942
S2944
S2943
DOWN
UP
MENU
PHOTO PCB
S1301
1
CN1102
3
CN1301
G
R
ENCODER PCB
CN2804
5
7
IC2807
TC7W14FU
DEGPUL2
5
4
1 2
3 2
DEGPUL1
IC2806
GP1S25
H
IC2805
GP1S25
CN2806
3
2
GRILLE PCB
IC2801
TA7806S
2
1
IC2802
TA78L05F
2
VBU
2
6
12
MTR1
10
MTR2
5
IC2803
BA6951FS
SW PCB
CN2807
B
S2801
DRIVE SW
CN2808
1
Q2801
F
1
DEG0SW
1,2
LM+B
IC2804
TC7S14FU
2
4
6
OPEN/CLOSE
IC 1301
NJM062V
7
M1
Drive Motor
CN2805
7
2
9
1
M
KEY
ATRIX
C 1901
P1840SB1
CN801
3
IC 501
NJM2068MD
T
5
1
20
7
1
IC 502
BA3131FS
3
FRONT L
FRONT R
BUS+
BUS–
bsens
19
7
1
8
18
IC 801
TA2050F
13
12
Q504
Q503
28
78
42
37
95
3
6
11
8
YSTOMS 96
IRQPWR 35
4
9
IC 251
TC74VHCT08AFT
AMUTE
81
Q851
IC 252
TC74VHC08FT
TX 86
RX 85
DVD
CONTROLLER
VDD
4
VDD
IC 701 (1/2)
PE5285A
1
2
IC 802
HA12187FP
6
5
IP-IN
16
X1
adpw
VCC
21
7
8
9
BUS+ 1
BUS– 5
TPMUTE
Q701
VDD
IP-OUT
CN802
BUP
DISCSET
AMUTE
TMODE
STOSYS
6
8
1
4
7
X701
12.582912MHz
15
X2
C
SYSPW_D
Q852
Q401
Q251
34
8TKFM
RMUTE 27
DVD3.3V
CPU+3.3V
Q252
32
33
BUP
MSMCVD
Q501
MSVD
Q502
REARMUTE
BUP
MSMVD
8TKFM
CN1702
IEC958
1
1,8
3
44FT
EN
6
AV
+6dB AMP
A
IC 304
NJM2267V
5,6
VIDEO MUTE
1
3,4
IC 306
NJM2233BM
8
1
7
IC 308
NJM2267V
6
4
VIDEO MUTE
1
IC 305
NJM2233BM
7
2
IC 851
TC7WT125FU
3
VCC33
1
CN252
CN851
IEC958
7
1
12
Q15
BUP
CN1700
SYS+8V
VCONTB
Q35
EXTENSION
PCB CN262
Q17
IC 13
BP5250-1
1
CN1701
VIDEO OUT
11
12
Q28
TXD,
RXD,
DTR,
CTS
2
Q18
6
DVD+6.3V
7
Q16
D
Q15
CN261
5
CN251
28
DVD+8V
BUP
Q12
VCONTA
OPT-OUT
Q14
C
COMN,
4
Q50
Q19
13 DVD VIDEO
IC 15
BA00ASFP
1,2
Q30
BUP
Q31
1603
VDD
VCC
AMUTE
Lch OUT
Rch OUT
22
Q32
19 XAMUTE
L_OUT
15
26
12
29 R_OUT
15
5
6
7
8
1
2
3
4
AVX-P7300DVD
A-a
3.2 CONTROL PCB(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL
PARTS LIST”.
A
A-a
Large size
SCH diagram
A-b
>
A-a
A-a
A-b
Guide page
SYNC SEPARATOR
Detailed page
A-b
>
CN1103
B
MONITOR
MICRO COMPUTER
D
>
>
>
>
CN1702
>
I
C
DVD MICRO COMPUTER
I
CN1701
PE5285A
D
>
>
>
16
A
1
F
2
CN1901
3
4
6
5
8
7
AVX-P7300DVD
A-b
A
A
Control Unit
Consists of
Control PCB
Photo PCB
Extention PCB
>
CONTROL PCB
>
>
>
>
>
REFLECTION
MUTE
B
1K(1/2W)
5A
CEK1135
>
C
D
R67 1R8K
VR1
470(B)
CCP1388
The > mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.
:The power supply is shown with the marked box.
NOTE :
Symbol indicates a resistor.
Decimal points for resistor
No differentiation is made between chip resistors and
and capacitor fixed values
discrete resistors.
are expressed as :
Symbol indicates a capacitor.
2.2 ← 2R2
No differentiation is made between chip capacitors and
0.022 ← R022
discrete capacitors.
A
17
5
6
7
8
18
A-a
1
D
>
B
MONITOR
MICRO COMPUTER
SYNC SEPARATOR
1
2
2
>
>
>
1
3
3
4
CN1103
D
A
A-a A-b
AVX-P7300DVD
4
C
CN1702
I
5
6
CN1701
I
>
>
>
>
>
>
F
CN1901
PE5285A
DVD MICRO COMPUTER
A-a A-b
4
3
2
5
6
7
AVX-P7300DVD
7
8
A-a
8
19
A
B
C
D
>
Control Unit
Consists of
Control PCB
Photo PCB
Extention PCB
C
REFLECTION
MUTE
A
B
CONTROL PCB
>
>
>
>
20
1K(1/2W)
1
1
A-b
1
D
>
A
A-a A-b
AVX-P7300DVD
2
2
4
3
4
>
CEK1135
5A
3
5
4
3
2
R67 1R8K
VR1
470(B)
CCP1388
The > mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.
6
6
7
7
A-b
8
A-a A-b
:The power supply is shown with the marked box.
NOTE :
Symbol indicates a resistor.
Decimal points for resistor
No differentiation is made between chip resistors and
and capacitor fixed values
discrete resistors.
are expressed as :
Symbol indicates a capacitor.
2.2 ← 2R2
No differentiation is made between chip capacitors and
0.022 ← R022
discrete capacitors.
5
AVX-P7300DVD
8
21
A
B
C
D
D
Control Unit
Consists of
Control PCB
Photo PCB
Extension PCB
D
CN1101
B
PHOTO PCB
AVX-P7300DVD
1
22
1
2
2
3
3
4
3.3 PHOTO PCB
A
B
C
B
4
OPEN/CLOSE
2
1
3
4
AVX-P7300DVD
3.4 EXTENSION PCB
A
C
EXTENSION PCB
B
CN1700
C
I
Control Unit
Consists of
Control PCB
Photo PCB
Extension PCB
D
1
2
3
C
4
23
1
2
3
4
AVX-P7300DVD
3.5 RELAY UNIT
G
CN2804
J
CN001
A
LCD MODULE
B
CN1301
E
CN2941
C
B
D
(L fixation always)
24
D
1
2
3
4
5
6
7
8
AVX-P7300DVD
D
A
RELAY UNIT
A
CN101
B
C
D
D
5
6
7
8
25
26
1
D
E
CN1101
E
INVERTER PCB
To CCFL
1
2
2
D2951
1SS355
D2950
UDZ5R6(B)
Keyboard Unit
Consists of
Inverter PCB
Grille PCB
AVX-P7300DVD
3
3
4
3.6 INVERTER PCB
A
B
C
D
4
2
1
4
3
AVX-P7300DVD
3.7GRILLE PCB
A
F
GRILLE PCB
Keyboard Unit
Consists of
Inverter PCB
Grille PCB
R1906,1910,1938-1940,1947-1949
UC,ES/RD,ES/RD : 130
EW : 150
EW
EW
EW
RESET
B
A
CN651
DISC EJECT
DETACH SENSE
POWER
PLAY PAUSE
V.SRC
STOP
RGB
CHP/TR-
C
CHP/TR+
EW
UC,ES/RD,ES/RC
S1903-S1910
UC,ES/RD,ES/RC : CSG1112
EW : CSG1113
D
1
2
F
3
4
27
C
28
G H
1
Yellow
H SW PCB
DEG0
G ENCODER PCB
A
CN1102
Encoder Unit
Consists of
Encoder PCB
SW PCB
3.8 ENCODER UNIT
2
White
Red
1
M
M1
Drive Motor
CXB7612
AVX-P7300DVD
2
B
C
D
4
3
4
Black
3
1
2
3
4
AVX-P7300DVD
3.9 PU UNIT(REFERENCE)
A
B
C
D
29
1
2
3
4
1
2
3
4
AVX-P7300DVD
I-a 1/2
3.10 DVD MECHANISM MODULE(1/2)(GUIDE PAGE)
A
SERVO-C
I 1/2 DVD CORE UNIT V(FRONT END)
F
T
C
S
PICKUP UNIT(SERVICE)(DP4)
CLK
B
I 2/2
RF SIGNAL
FOCUS SERVO LINE
TRACKING SERVO LINE
CARRIAGE SERVO LINE
SPINDLE SERVO LINE
CLOCK LINE
RF AMP BLOCK
2.2V
1.65V
POWER SUPPLY
5.0V
3.3V
3
0
T
F
8
2.2V
1.65V
5.0V
SERVO CONTROLLER BLOCK
F
T
I 2/2
C
2
DISC DETECT SWITCH
T
F
POWER SUPPLY
3.3V
2.7V
8.0V
MN677061ZYUB
4
9
F
C
T
7
F
S
T
S
M2
6
M
S
T
SPINDLE
MOTOR
CXB6218
F
T
M3
F
C
M
POWER SUPPLY
5.0V
3.3V
CARRIAGE
MOTOR
CXB5955
DRIVER BLOCK
S
C
F
T
S
C
M1
M
LOADING
MOTOR
CXB5960
I 1/2
30
1
2
3
4
T
F
C
D
1
6
5
8
7
AVX-P7300DVD
I-b 1/2
I 2/2
-CPU I/F
A
OPTICAL DISC CONTROLLER BLOCK
ODC-CPU I/F
I 2/2
5
33.8MHz
CLK
POWER SUPPLY
3.3V
2.7V
MNZS25BDAUB
B
SYSTEM
CONTROLLER
I/F
CLK
SYSTEM CONTROLLER I/F
CLK
C
S
CLK
CK
C
CLK
MPEG STREAM
^
I 2/2
&
%
680
680
C
680
S
680
#
$
680
@
D
!
680
5
6
7
I 1/2
8
31
32
1
I-a
2
RF AMP BLOCK
8
RF SIGNAL
FOCUS SERVO LINE
TRACKING SERVO LINE
CARRIAGE SERVO LINE
SPINDLE SERVO LINE
CLOCK LINE
2 2V
B
2.2V
3
0
1.65V
I 2/2
3
3
1/2
4
3
2
1
2
POWER SUPPLY
5.0V
3.3V
CLK
S
C
T
F
SERVO-CPU I/F
1
D
F
T
C
I 1/2 DVD CORE UNIT V(FRONT END)
I-a I-b
(1/2) (1/2)
AVX-P7300DVD
4
A
PICKUP UNIT(SERVICE)(DP4)
5
6
7
M
CARRIAGE
MOTOR
CXB5955
C
S
C
9
S
C
C
I-a
M
M1
POWER SUPPLY
5.0V
3.3V
DRIVER BLOCK
LOADING
MOTOR
CXB5960
S
F
T
F
T
7
4
1.65V
2.2V
F
T
S
C
1
6
F
T
I-a I-b
(1/2) (1/2)
MN677061ZYUB
POWER SUPPLY
3.3V
2.7V
SERVO CONTROLLER BLOCK
5
4
6
M3
S
F
SPINDLE
MOTOR
CXB6218
8.0V
T
DISC DETECT SWITCH
2
8
T
M
M2
I 2/2
5.0V
F
5
7
AVX-P7300DVD
8
1/2
8
33
A
F
T
F
B
F
C
T
D
S
34
1
I-b
2
1/2
3
SYSTEM CONTROLLER I/F
MNZS25BDAUB
POWER SUPPLY
3.3V
2.7V
CLK
33.8MHz
CLK
I 2/2
ODC-CPU I/F
3
4
3
B
OPTICAL DISC CONTROLLER BLOCK
2
2
D
5
I 2/2
1
1
-CPU I/F
A
I-a I-b
(1/2) (1/2)
AVX-P7300DVD
4
C
SYSTEM
CONTROLLER
I/F
5
4
CK
CLK
5
6
C
#
$
&
%
I 2/2
7
!
@
I-a I-b
(1/2) (1/2)
6
680
680
680
680
680
680
^
MPEG STREAM
CLK
5
7
AVX-P7300DVD
8
I-b
1/2
8
35
A
B
C
S
D
CLK
S
C
1
2
3
4
AVX-P7300DVD
I-a 2/2
3.11 DVD MECHANISM MODULE(2/2)(GUIDE PAGE)
POWER SUPPLY
A
I 1/2
R1813
1.8V
0R0
R1812
R1814
0R0
0R0
C
I 1/2
I 1/2
I 1/2
2.7V
R1815
0R0
3.3V
I 1/2
PD6354B
I 1/2
›
B
C
C1727
18p
C1728
18p
POWER SUPPLY
3.3V
CLOCK FREQUENCY 5MHz
D
MICRO COMPUTER BLOCK
I 2/2
36
1
2
3
4
CN261
6.3V(5.0V)
6
5
8
7
AVX-P7300DVD
I-b 2/2
I 2/2
DVD CORE UNIT V(BACK END)
A
AUDIO 2ch ANALOG OUT
¤
A
CN251
‹
AV CHIP BLOCK
B
33.8MHz
CLK
470
I 1/2
Silks : L1519,L1520,L1521
*
(
)
⁄
CN252
L1536
C
A
Silk : R1536
MN677532JAUB
POWER SUPPLY 3.3V
MPEG STREAM
I 1/2
200
D
5
6
7
I 2/2
8
37
38
1
I-a
D
I 1/2
R1815
3.3V
I 1/2
2
0R0
I 1/2
0R0
2.7V
R1814
C
0R0
PD6354B
I 1/2
›
1
1
I 1/2
I 1/2
6.3V(5.0V)
1.8V
B
0R0
R1812
R1813
POWER SUPPLY
I-a I-b
(2/2) (2/2)
AVX-P7300DVD
2
3
3
4
A
2/2
4
CN261
C
5
I-a I-b
(2/2) (2/2)
2
6
6
MICRO COMPUTER BLOCK
POWER SUPPLY
3.3V
CLOCK FREQUENCY 5MHz
5
7
AVX-P7300DVD
7
8
I-a
2/2
8
39
A
B
C
D
C1727
18p
C1728
18p
40
I-b
C
1
2/2
1
AV CHIP BLOCK
AUDIO 2ch ANALOG OUT
I 2/2
‹
¤
Silks : L1519,L1520,L1521
DVD CORE UNIT V(BACK END)
33.8MHz
CLK
2
2
I 1/2
1
CN251
A
B
470
CN261
A
I-a I-b
(2/2) (2/2)
AVX-P7300DVD
3
3
4
C
D
4
5
2
200
POWER SUPPLY 3.3V
MN677532JAUB
L1536
Silk : R1536
⁄
*
(
)
6
I 1/2
MPEG STREAM
CN252
I-a I-b
(2/2) (2/2)
A
Silks : L1519,L1520,L1521
5
6
7
AVX-P7300DVD
7
8
I-b
2/2
8
41
A
B
C
D
AVX-P7300DVD
- Waveforms
Note:1. The encircled number denote measuring pointes in the circuit diagram.
2. Reference voltage VHALF : 1.65V
1 FEY
500mV/div. 1ms/div.
Focus search
2 CH1: ASF
200ms/div. 1ms/div.
3 CH2: RFENV
Focus search
VHALF→
VHALF→
1 CH1: FEY
4 CH2: FD
Focus close
500mV/div. 1ms/div.
1V/div. 1ms/div.
VHALF→
VHALF→
VHALF→
2 CH1: ASF
200mV/div. 2ms/div.
3 CH1: RFENV
Focus close
VHALF→
1 CH1: FEY 500mV/div. 10ms/div.
5 CH2: FOK
Focus close
6 CH1: TEY
500mV/div. 1ms/div.
Focus close(DVD)
VHALF→
VHALF→
VHALF→
VHALF→
6 CH1: TEY
500mV/div. 1ms/div.
Focus close(CD)
1 CH1: FEY
4 CH2: FD
Play
500mV/div.20ms/div.
6 CH1: TEY
7 CH2: TD
Play
500mV/div.20ms/div.
VHALF→
VHALF→
VHALF→
VHALF→
8 CH1: RFOUT 0.1V/div. 0.2µs/div.
Play(CD)
6 CH1: TEY
500mV/div. 100ms/div.
9 CH2: CRGDRV
Surroundings on inside->
surroundings on outside
VHALF→
8 CH1: RFOUT 0.1V/div. 0.1µs/div.
Play(DVD surroundings on inside)
VHALF→
VHALF→
42
AVX-P7300DVD
8 CH1: RFOUT200mV/div. 100µs/div.
0 CH2: BDO 2V/div. 100µs/div.
Black dot
VHALF→
4 CH1: FD
7 CH2: TD
Black dot
1V/div. 100µs/div.
500mV/div. 100µs/div.
6 CH1: TEY
500mV/div.1s/div.
1 CH2: FEY
EDC1 mode set up(DVD)
VHALF→
VHALF→
VHALF→
VHALF→
VHALF→
!
@
#
$
%
^
&
$
%
^
&
$
CH1: STD1
CH2: STD4
5V/div. 2µs/div.
CH3: STD7
CH4: STENABLE
CH1: AVRTM
CH2: STCLK
5V/div. 2µs/div.
CH3: STVALID
CH4: STENABLE
←T
CH1: AVRTM
CH2: STCLK
5V/div. 50µs/div.
CH3: STVALID
CH4: STENABLE
G→
G→
G→
G→
G→
G→
G→
G→
G→
G→
G→
* CH1: AOUT0
( CH2: SRCKAV
) CH3: LRCKAV
←T
⁄ CH1: IEC958 1V/div. 500ns/div.
G→
¤ CH1: LO
‹ CH2: RO
2V/div. 2µs/div.
G→
G→
←T
←T
1V/div. 500µs/div.
←T
G→
G→
G→
G→
←T
› CH1: COMPO 200mV/div. 10µs/div.
[White 100% output]
G→
43
1
2
3
4
2
3
4
AVX-P7300DVD
3.12 VIDEO SCHEMATIC
A
D
CN1101
B
C
D
44
J
1
6
5
7
8
AVX-P7300DVD
J
VIDEO SCHEMATIC
A
B
C
D
J
5
6
7
8
45