HCD-EX1

HCD-EX1
SERVICE MANUAL
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Tourist Model
HCD-EX1 is the amplifier, CD and
tuner section in CMT-EX1.
Model Name Using Similar Mechanism NEW
Mechanism Type
CDM-60
Base Unit Type
KSM-770ACA/S-NP
Optical Pick-up Type
KSS-770A/S-N1
SPECIFICATIONS
COMPACT COMPONENT SYSTEM
MICROFILM
1
HCD-EX1
5-3. SCHEMATIC DIAGRAM – MAIN (1/3) SECTION –
• See page 15 for Waveforms.
• See page 16 for Printed Wiring Board.
• See page 30 for IC Block Diagrams.
• See page 32 for IC Pin Functions.
(Page 21)
(Page 19)
(Page 20)
18
18
HCD-EX1
5-4. SCHEMATIC DIAGRAM – MAIN (2/3) SECTION –
• See page 16 for Printed Wiring Board.
(Page 18)
(Page 20)
MICON
INTERFACE
(Page 20)
(Page 20)
(Page 20)
(Page 20)
(Page 25)
19
19
HCD-EX1
5-5. SCHEMATIC DIAGRAM – MAIN (3/3) SECTION –
• See page 15 for Waveforms.
• See page 16 for Printed Wiring Board.
• See page 34 for IC Pin Functions.
(Page 19)
(Page 19)
(Page 19)
(Page 19)
20
(Page 19)
20
(Page 18)
(Page 29)
(Page 23)
HCD-EX1
5-7. PRINTED WIRING BOARD – LED/LOADING/SW SECTION –
• See page 14 for Circuit Boards Location.
5-6. SCHEMATIC DIAGRAM – LED/LOADING/SW SECTION –
• See page 31 for IC Block Diagrams.
(Page 18)
(Page 28)
21
21
HCD-EX1
5-9. SCHEMATIC DIAGRAM – AMP SECTION –
(Page 20)
(Page 29)
(Page 29)
23
23
HCD-EX1
5-11. SCHEMATIC DIAGRAM – PANEL SECTION –
(Page 19)
25
25
HCD-EX1
5-13. SCHEMATIC DIAGRAM – POWER SECTION –
(Page 29)
27
27
HCD-EX1
5-15. SCHEMATIC DIAGRAM – REG SECTION –
(Page 23)
(Page 27)
(Page 20)
29
29
HCD-EX1
VCC
APC PD AMP
VCC
64 63
68 67 66 65
DVDD0 1
XRST 2
HOLD 1
ASYE
60 VPCO
59 V16M
58 VCTL
Clock
Generator
VEE
AGCVTH 2
DVDD2
62 61
Digital
OUT
24 VCC
23 LC/PD
22 LD_ON
VEE
DOUT
71 70 69
MD2
XTAI
72
BCK
XTAO
75 74 73
PCMD
LRCK
XOLT
SOCK
SOUT
IC301 CXA2568M-T6
EMPH
SQSO
80 79 78 77 76
EXCK
SBSO
SCSY
SQCK
• MAIN Board (1/3)
DVSS2
XTSL
IC303 CXD2585Q
5-16. IC BLOCK DIAGRAMS
VREF
APC LD AMP
LD
3
VC
PD
21 HOLD_SW
20 AGCCONT
(50%/30%
OFF)
VCC
4
A
5
B
6
MUTE 3
D/A
Interface
19 RF_BOT
Error
Corrector
VC
57 BIAS
56 AVDD1
32K
RAM
DATA 4
C
7
D
8
VEE
9
VEE
RF SUMMING AMP
VC
XLAT 5
18 RFTC
17 RF_1
16 RFO
RF_EQ_AMP
VC
CLOCK 6
SENS
SCLK
ATSK
WFCK
15 RFE
VC
VEE
ERROR AMP
FOCUS
14 FE
CPU
Interface
51 AVSS1
XUGF 11
Servo
Auto
Sequencer
VC
F 10
E 11
TRACKING
ERROR AMP
VC
VC BUFFER
VCC
V2PO
SCOR
C4M
WDCK
DVSS0
COUT
VC
VEE
VC
LRCIN 1
28 ML/DSD
INPUT
INTERFACE
Digital
CLV
14
15
16
SIGNAL PROCESSOR BLOCK
17
18
19
SERVO BLOCK
MIRR
DFCT
FOK
MIRR 20
IC304 PCM1710U-B/1K
DIGITAL
FILTER
MODE
CONTROL
BCKIN 3
PWM GENERATOR
FORCUS PWM
GENERATOR
SERVO DSP
FOCUS SERVO
TRACKING PWM
GENERATOR
SLED PWM
GENERATOR
SERVO
Interface
27 MC/DM2
TRACKING
SERVO
SLED SERVO
26 MD/DM1
TIMING
CONTROL
46 IGEN
45 AVSSO
44 ADIO
25 MUTE
XTI 5
24 MODE
XTO 6
23 CKSL
A/D
Converter
OPAmp
Analog SW
NOISE
SHAPER
GND2R 10
EXT1R 11
EXT2R 12
VOUTR 13
GND1 14
19 GND2L
18 EXT1L
3-STAGE AMP
RIGHT
3-STAGE AMP
LEFT
17 EXT2L
16 VOUTL
15 VCC1
30
30
33 34
35 36 37
38 39 40
FE
SE
23 24 25 26 27 28 29 30 11
32
31 11
VC
LOW-PASS FILTER
LEFT
21 22
TEST
TES1
LOW-PASS FILTER
RIGHT
20 VCC2L
DVSS1
5-LEVEL DAC
LEFT
FFDR
FRDR
21 VDD
5-LEVEL DAC
RIGHT
DVDD1
SFDR
SRDR
TFDR
TRDR
VDD 8
PWMI
LOCK
MDP
SSTP
FETO
22 DGND
DFCT
FOK
DGND 7
VCC2R 9
50 RFAC
49 ASYI
48 ASYO
47 AVDD0
GFS 13
13 TE
VC 12
4
Asymmetry
Corrector
XPCK 12
VC
CLKO
Digital
PLL
10
VC
DIN 2
EFM
demodurator
Sub Code
Processor
7
8
9
55 PCO
54 FILI
53 FILO
52 CLTV
43 RFDC
42 CE
41 TE
• LOADING Board
IC351 LB1641
T.S.D
O.C.P
MOTOR
DRIVE
MOTOR
DRIVE
1
2
3
4
5
6
7
8
9
10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
FWD/REV/STOP
CONTROL LOGIC
31