Sony CMT-VC1 / HCD-VC1 Service Manual ▷ View online
HCD-VC1
29
29
5-15. PRINTED WIRING BOARDS – HEADPHONE/LCD/LOADING/VIDEO Boards –
•
•
See page 17 for Circuit Boards Location.
5-16. SCHEMATIC DIAGRAM – HEADPHONE/LCD/LOADING/VIDEO Boards –
LCD BOARD
1-682-412-
12
(12)
CN803
LCD801
LIQUID CRYSTAL DISPLAY
36
19
17
2
2
25
20
15
10
5
D866
D867
D868
D869
CN810
LCD
BACK
LIGHT
LCD
BACK
LIGHT
A
B
C
D
E
F
G
1
2
3
4
5
CNP501
FB304
L202
C161
C261
FB301
L102
FB303
FB305
1
4
D
H
MAIN BOARD
CN804
MAIN BOARD
CN501
I
MAIN BOARD
CN401
E
MAIN BOARD
CN802
LOADING BOARD
M
1-676-599-
11
(11)
S1
OPEN
CLOSE
S1
DISC TRAY OPEN/CLOSE
DETECT
M901
(LOADING)
SW401
CN402
1-682-410-
12
(12)
VIDEO BOARD
VIDEO OUT
J401
SYSTEM SELECT
NTSC T AUTO T PAL
SW401
VCD BLOCK (3/3)
SUPPLIED WITH THE
ASSEMBLED BLOCK
JW615
1-682-409-
12
(12)
HEADPHONE
BOARD
BOARD
i
J301
(Page 23)
(Page 23)
(Page 22)
(Page 24)
(Page 24)
(Page 24)
(Page 24)
D866
B-1
D867
B-1
D868
B-5
D869
B-5
• Semiconductor
Location
Ref. No.
Location
(Page 22)
HCD-VC1
30
30
5-17. PRINTED WIRING BOARD – POWER Board –
•
See page 17 for Circuit Boards Location.
POWER BOARD
2
(AC IN)
SUB POWER
TRANSFORMER
MAIN POWER
TRANSFORMER
*
*
NOT REPLACEABLE:
BUILT IN TRANSFORMER.
BUILT IN TRANSFORMER.
1-682-413-
12
(12)
MAIN BOARD
CNP101
G
A
B
C
D
E
F
G
1
2
3
4
5
6
LF901
JW921
FH902
FH901
FH903
FH904
F905
F902
(EXCEPT TH)
(TH)
(TH)
(TH)
(TH)
VOLTAGE
SELECTOR
S901
110V – 120V
220V – 240V
(EXCEPT TH)
JW920
EXCEPT
TH
D902
G-5
D903
F-5
D904
G-5
D905
F-5
D906
C-5
D907
C-4
D908
C-5
D909
C-4
D910
B-3
D911
B-3
D912
B-3
D913
B-3
D915
A-4
D917
A-5
D918
C-4
Q901
A-5
Q902
B-4
• Semiconductor
Location
Ref. No.
Location
(Page 24)
HCD-VC1
31
31
5-18. SCHEMATIC DIAGRAM – POWER Board –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 22)
HCD-VC1
32
32
• IC Block Diagrams
– CD Board –
– CD Board –
IC701
CXD2545Q
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
92
91
90
89
88
87
86
85
84
83
93
94
95
96
97
98
99
100
SLED PWM
GENERATOR
TRACKING PWM
GENERATOR
FOCUS PWM
GENERATOR
PWM GENERATOR
SERVO DSP
FOCUS
SERVO
TRACKING
SERVO
SLED
SERVO
CLV
PROCESSOR
CPU
INTERFACE
NOISE
SHAPER
18-TIMES
OVER SAMPLING
FILTER
CPU
INTERFACE
CPU
INTERFACE
ADDRESS
GENERATOR
CPU
INTERFACE
PRIORITY
ENCODER
CPU
INTERFACE
ERROR
CORRECTOR
CPU
INTERFACE
TIMING
GENERATOR 2
MIRR
DFCT
FOK DETECTOR
32K RAM
RESISTER
D/A
DIGITAL
PROCESSOR
TIMING
GENERATOR 1
SYNC
PROTECTOR
DIGITAL
OUT
SUBCODE
P-W
PROCESSOR
SUBCODE
Q
PROCESSOR
DIGITAL
PLL
VARI-PITCH
DOUBLE SPEED
CPU
INTERFACE
EFM
DEMODULATOR
SERIAL
PARALLEL
PROCESSOR
CPU
INTERFACE
ASYMMETRY
CORRECTION
1 2 3 4
5 6 7 8 9 10 11
20
19
18
17
16
15
14
13
12
21 22 23
24 25
46
|
50
61 – 51
PEAK
DETECTOR
CLOCK
GENERATOR
MUX
A/D
CONVERTER
SWITCH
&
BUFFER
SERVO
AUTO
SEQUENCER
SERVO
MICRO PROGRAM
INTERFACE
RFC
ADIO
AVSS
IGEN
AVDD
VCKI
VPCO
PDO
TES3
TES2
DVSS
TEST
VCO1
VCO0
SRON
SRDR
SFON
TFDR
TRON
TRDR
TFON
FFDR
FRON
FRDR
FFON
RFDC
TE
SE
FE
VC
FILO
FILI
PCO
CLTV
AVSS
RFAC
BIAS
ASYI
ASYO
AVDD
ADD
ASYE
PSSL
WDCK
LRCK
XTAI
XTAO
XTSL
DVSS
FSTI
FSTO
D OUT
MD2
C16M
C4M
SCOR
WFCK
EMPH
SBSO
EXCK
SQSO
SQCK
MUTE
SENS
XRST
DIRC
SCLK
DFSW
ATSK
DATA
XLAT
CLOK
COUT
ADD
MIRR
DFCT
FOK
FSW
MON
MDP
MDS
LOCK
SSTP
SFDR
4
3
DA01
|
DA11
DA16
|
DA12
26
IC702
BA6392FP-E2
BUFF
BUFF
BUFF
BUFF
R
R
F
F
1
CH1 OUT F
2
CH1 OUT R
3
CAPA IN 1
4
CH1 R IN
5
CH1 F IN
6
VREF IN
7
VREF OUT
8
GND
9
CH2 F IN
10
CH2 R IN
11
CAPA IN 2
12
CH2 OUT R
13
CH2 OUT F
14
GND
28 GND
27 CH4 OUT F
26 CH4 OUT R
25 VB IN
24 VS IN
23 VB IN
22 VCC
21 VCC
20 CH3 F IN
19 CH3 R IN
18 CAPA IN 3
17 CH3 OUT R
16 CH3 OUT F
15 MUTE
LEVEL
SHIFT
INTERFACE
BUFF
BUFF
BUFF
BUFF
R
F
R
F
BUFF
INTERFACE
INTERFACE
F
F
R
R
MUTE
IC703
CXA1821M-T6
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
LD
VCC
VCC
PD
LD ON
A
LC/PD
B
RFE
C
RFO
D
FE
VEE
FE BIAS
F
TE
E
VC
VC
VC BUFFER
TRACKING ERROR AMP
FOCUS ERROR AMP
RF EQ AMP
APC LD AMP
RF SUMMING AMP
EI
EO
VEE
VCC
VCC
VC
VC
VC
VC
VC
VC
VC
VEE
VEE
VEE
VREF
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