Sony CMT-DC1 / HCD-DC1 Service Manual ▷ View online
HCD-DC1
21
21
6-6.
SCHEMATIC DIAGRAM – CD Board –
•
See page 19 for Waveforms.
•
See page 33 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
no mark : CD PLAY
∗
: Impossible to measure
(Page 24)
Ver 1.1
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
HCD-DC1
22
22
TAPE DECK BLOCK
SUPPLIED WITH
THE ASSEMBLED
BLOCK
B
MAIN BOARD
CN301
CASSETTE HOLDER
BACK LIGHT
2
HEAD
RELAY
BOARD
HRPE901
RECORD/PLAYBACK/ERASE
L-CH
R-CH
ERASE
1-681-239-
13
(13)
TC BOARD
8
17
A
B
C
D
E
1
2
3
4
5
C420
JW404
D401
A
K
(CHASSIS)
(CHASSIS)
(CHASSIS)
6-7.
PRINTED WIRING BOARD – TC Board –
•
See page 18 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
(Page 27)
D401
D-2
IC401
D-4
IC402
D-4
Q401
D-2
Q402
D-2
Q403
D-2
Q406
C-5
Q407
C-4
Q413
D-3
Q414
C-4
HCD-DC1
23
23
6-8.
SCHEMATIC DIAGRAM – TC Board –
•
See page 19 for Waveforms.
•
See page 33 for IC Block Diagram.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : PB
(
no mark : PB
(
) : REC
(Page 24)
HCD-DC1
24
24
R114
R214
JR303
JR304
R213
R113
C217
C117
R320
JR115
C372
C333
C374
Q313
Q312
Q308
Q307
R314
R351
C330
C331
C365
R312
R313
R104 R204
R318
R317
R310
Q303
R311
Q304
C323
C325
C326
R304
R132
R232
C304
L303
10
10
µ
H
C346
Q330
C370
R202
R209
R109
R201
D321
D320
R102
R101
R350
JR215
R116
R117
R218
R118
R130
C130
R131
R231
C230
R305
C305
R230
C210
C211
C110
C111
C112
C113
C213
C212
R219
R119
R216
R217
C209
C109
CN301
CN101
C107
C207
C208
C108
C101
C102
C205
C206
C301
C105
C204
C104
C203
C103
C202
C201
R203
IC306
Q306
Q305
IC323
SJ302
C214
C114
D309
Q100
Q200
C339
IC324
Q301
Q302
C340
C360
C324
C328
C329
D307
D308
L304
0.22
0.22
µ
H
C332
D305
D306
C270
C170
R103
D322
D323
C382
IC321
C369
L307
2.2
2.2
µ
H
R110
R210
33k
33k
0
0
3.3k
3.3k
100p
100p
330k
0
470p
1000p
0.1
KRA102S
KRC103S
KRC103S
KRA102S
470
4.7k
0.1
220
10V
10V
220
10V
10V
470
470
2.2k
2.2k
47k
47k
100
KRA102S
100
KRC103S
0.1
0.1
100
16V
16V
100
47k
47k
100
16V
16V
0.1
KRC103S
1000p
1k
4.7k
4.7k
4.7k
1SS355TE-17
1SS355TE-17
1k
4.7k
4.7k
0
3.3k
5.6k
1k
1k
470
100p
4.7k
4.7k
100p
100
100
16V
16V
470
0.015
0.015
0.015
0.015
0.22
0.22
0.22
0.22
3.3k
3.3k
3.3k
5.6k
1500p
1500p
18P
19P
4.7
50V
50V
4.7
50V
50V
4.7
50V
4.7
50V
4.7
50V
50V
4.7
50V
4.7
50V
4.7
50V
10
50V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7
50V
4.7k
KIA7808API
KTC2026
KTC2026
BD3861FS
2P
4.7
50V
50V
4.7
50V
50V
MTZJ-T-77-8.2B
DTC343TK-T
-146
DTC343TK-T
-146
470
16V
16V
NJM3414AV
(TE2)
KTC3205-Y-AT
KTC3205-Y-AT
10
50V
470
16V
16V
470
16V
16V
100
16V
16V
470
16V
16V
MTZJ-T-77-10B
MTZJ-T-77-5.6B
1000
10V
MTZJ-T77-10B
MTZJ-T77-7.5B
4.7k
1SS355TE
-17
1SS355TE
-17
47P
TOTX178X
100p
2.7k
2.7k
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
C1
C2
C3
C4
C5
C6
C7
C8
C1
C2
C3
C4
C5
C6
C7
C8
D1
D2
D3
D4
D5
D6
D7
D8
D1
D2
D3
D5
D6
D7
D8
C
1
C
2
C
3
C
5
C1
C
2
C3
C
4
C
5
C
6
C
6
C
4
D4
C9
E
1
E
2
E3
E4
E5
E6
E
1
E2
E
3
E4
E5
E6
*
CD+8V
P-GND
A-GND
XRST
CLK
LATCH
DATA
SQSO
SQCK
D-GND
D-OUT
C-SCOR
SENS
HOLD
A+5V
D+5V
OPTICAL
OUT
DIGITAL
A-GND
REC/PB
B+5V
PLAY-SW
SENSOR-OUT
SOL+12V
TC-SW
TC BACK LIGHT
TC BACK LIGHT
AMP-MUTE
CD-ON
FM-ON
SDA
D-GND
P-G
ND
SCK
+12V
+8V
AU MUTE
CD-L
CD-R
MO+12V
C9
L-OUT
+8.0V
REC IN-L
LINE MUTE
R-OUT
REC IN-R
REC-MUTE
TC BACK LIGHT
REC-MUTE
REC/PB
LINE MUTE
B+5V
MO +12V
PLAY-SW
SENSOR-OUT
SOL+12V
TC-SW
MO-GND
C-SCOR
SENS
SQSO
HOLD
CLK
LATCH
DATA
SQCK
XRST
D+5V
D-GND
FM-7.5V
GND
CK
CE
DI
DO
TUNED
FM-DET
VEE
VCC
O
G
I
REGULATOR
CD +8V
MUTING
DRIVE
MUTING
MUTING
HEADPHONE AMP
Q312,313
MUTING
DRIVE
CD +5V
REGULATOR
REGULATOR
+10V
REGULATOR
+9V
REGULATOR
Q303,304
CONTROL SWITCH
REGULATOR
CONTROL SWITCH
Q307,308
INPUT SELECT
SWITCH,MIX,
TONE CONTROL,
ELECTRICAL
VOLUME
L
R
AUDIO IN
MD(VIDEO)
OPTICAL
DIGITAL
OUT(CD)
FM 75
Ω
AM
ANTENNA
TU1
MO GND
Q302
FM +7.5V REGULATOR
LRCK
GND
VDD
DIN
L-CH
R-CH
FM-DET
TUNED
+B(9.5V)
GND
DO
CK
DI
CE
FM-7.5V
THE ASSEMBLED
BLOCK
SUPPLIED WITH
OPTICAL
TRANSCEIVER
*
C170,270
0.022
0.033
(HK,MX,MY,SP)
(US,CND,AEP,UK)
FM 75
Ω
(EXCEPT US,CND,MX)
(US,CND,MX)
(US,CND)
(US,CND)
(EXCEPT MX)
*
6-9.
SCHEMATIC DIAGRAM – MAIN Board (1/3) –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : CD
[
] : MD
〈〈
〉〉
: TAPE
(Page 25)
(Page 23)
(Page 26)
(Page 26)
(Page 26)
(Page 26)
(Page 26)
(Page 21)
Ver 1.1
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