Sony HCD-GX470 / HCD-GX570 Service Manual ▷ View online
SERVICE MANUAL
9-887-123-81
Ver. 1.1 2006.04
Subject: Change of DECK board (Suffix-12)
US Model
Canadian Model
HCD-GX470/GX570
1.
NEW/FORMER DESCRIPTION
In this set, DECK board has been changed in the midway of production.
Printed wiring board and schematic diagram of new type, and changed
parts list are described in this supplement-1.
Refer to original service manual and supplement-2 for other information.
Printed wiring board and schematic diagram of new type, and changed
parts list are described in this supplement-1.
Refer to original service manual and supplement-2 for other information.
– DECK Board (Component Side) –
Former : 1-868-914-11
New
New
: 1-868-914-12
SUPPLEMENT-1
File this supplement with the service manual.
2
HCD-GX470/GX570
2.
DIAGRAMS
•
Note for Printed Wiring Boards and Schematic Diagrams
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
Indication of transistor
•
A
: B+ Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
under no-signal (detuned) conditions.
〈〈
〉〉
: TAPE PLAY
{
} : REC
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Signal path.
E
: TAPE PLAY (DECK-A)
d
: TAPE PLAY (DECK-B)
G
: REC
C
B
These are omitted.
E
Q
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
3
3
HCD-GX470/GX570
HCD-GX470/GX570
2-1. PRINTED WIRING BOARD – DECK Board –
: Uses unleaded solder.
•
Semiconductor
Location
Location
Ref. No. Location
D301
B-3
D401
C-6
IC301
C-2
IC401
C-5
Q301
D-2
Q302
D-2
Q303
D-3
Q304
D-3
Q305
D-3
Q306
D-3
Q400
C-4
Q401
D-5
Q402
D-5
Q403
D-5
Q404
D-5
Q405
B-1
Q406
B-1
Q407
D-4
Q408
B-2
Q409
B-3
Q410
B-4
Q451
C-7
Q452
B-7
Q453
D-7
JR303
Q409
R452
Q452
R461
R460
R463
R464
R482
R484
R485
R489
R490
R350
Q408
Q406
Q405
IC401
IC301
R447
C417
R326
R325
C328
C327
C326
C323
C324
C325
C316
C315
C302
R324
R323
R318
R317
R320
R319
R312
R311
R314
R313
R310
R309
C305
C306
JR302
JR306
R305
Q306
Q305
R488
R302
R301
R303
R304
C303
C304
R306
C301
Q407
C354
C355
R307
R308
R401
R483
R402
R403
R404
R405
R406
R423
R408
R409
R410
R411
R412
R413
R414
R407
R416
R445
R424
R415
R446
R427
R428
R441
C403
C404
C405
C406
C433
C413
C414
C415
C416
C431
Q401
Q402
Q403
Q400
Q404
R440
R429
R430
R431
R432
R433
R434
R435
R436
C460
JR404
R439
C430
D401
R466
JR402
R456
R457
R458
C461
C462
R481
C412
R453
R454
R450
R462
R459
R449
FB301
R451
R465
R351
R349
C352
C353
JR307
JR301
C418
D301
Q410
R442
R455
R443
JR310
C411
JR311
C307
R316
R315
JW320
CN301
Q451
JW316
JW315
JW313
JW303
C351
C350
C318
C317
JW306
JW302
JW311
C458
Q453
C409
L451
Q303
Q304
JW317
JW312
JW310
JW314
C402
C410
JW309
C454
JW318
CN302
JW304
Q301
C453
JW305
Q302
C452
JW307
C456
CN008
C401
JW301
C356
JW319
JW308
C329
C330
E
E
E
G
D
S
G
D
S
G
G
D
S
D
G
D
S
E
E
E
E
E
E
S
G
D
S
G
D
S
E
E
E
DECK BOARD
1-868-914-
12
(12)
D
MAIN
BOARD
CN201
(Refer to page 34
on service manual)
HRPE1
REC/PB/ERASE
HEAD
(DECK-B)
HP1
(PB HEAD)
(DECK-A)
1
1
4
8
5
3
8
1
1
4
8
5
K
A
A
BIAS OSC
1
3
6
4
A
B
C
D
E
1
2
3
4
5
6
7
4
4
HCD-GX470/GX570
HCD-GX470/GX570
2-2. SCHEMATIC DIAGRAM – DECK Board –
Q410
R481
R349
R482
R484
R483
R488
R489
R325
R326
C330
C329
R442
R490
IC401(1/2)
IC401(2/2)
C411
C412
R452
Q453
C458
C454
C453
R457
C452
R440
R430
R429
R431
R432
R433
R434
Q402
Q401
R351
D301
C351
C350
Q451
R317
C323
C325
C315
R311
R313
C324
C326
R318
C316
R312
R314
R309
R310
C456
R462
R464
R461
R443
C354
Q400
C303
C304
C461
C462
CN301
C301
C302
R315
R316
R301
R302
R305
Q302
Q301
R303
R304
Q304
R306
IC301(1/2)
IC301(2/2)
R323
R319
R320
R324
C327
C353
C328
C352
Q408
R350
Q406
R485
Q405
CN302
Q305
Q306
JR310
C307
Q407
R441
R436
C416
C415
R435
Q403
Q404
R445
R413
R424
R410
R409
R423
C409
C410
R411
C417
R446
R414
R412
C418
C405
R407
R416
R408
C406
C414
C413
C431
R405
R403
R401
C401
C403
C430
R406
C404
R404
R402
C402
FB301
CN008
JR402
R451
R455
R454
R453
Q452
R449
R450
R456
L451
R459
R460
R465
R463
R466
R308
C355
R307
C356
R439
D401
R458
Q409
HRPE1
HP1
R428
R427
R415
C433
C317
C318
RT1N431C
4.7k
100
47k
22k
22k
22k
22k
100
100
0.047
0.047
47k
4.7k
BA4558
BA4558
10p
10p
47k
2SC2001
0.0022
0.0047
0.001
22k
47
16V
10k
10k
10k
1k
1k
47k
47k
2SK2158
2SK2158
1k
UDZW-TE17-4.3B
220
10V
10V
220
16V
KTA1271Y-AT
470k
0.0047
0.0022
47p
220
47
0.0047
0.0022
470k
47p
220
47
470
470
0.01
2.2k
1k
2.2k
10k
0.1
2SK2158
1000p
1000p
470p
470p
3P
1000p
1000p
100
100
47k
47k
220k
2SJ460
2SJ460
47k
47k
2SJ460
220k
NJM14558M-TE2
NJM14558M-TE2
4.7k
22k
22k
4.7k
220p
0.1
220p
0.1
2SA1235
0
2SA1235
2.2k
2SC3052
8P
2SC3052
2SC3052
0
0.01
2SA1235
0
10k
0.0047
0.0047
10k
2SA1235
2SA1235
0
220k
47k
100k
100k
47k
10
50V
10
50V
470k
0.01
0
220k
470k
0.01
C460
470p
220p
4.7k
2.2k
4.7k
220p
220p
220p
0.1
47k
22k
47k
0.1
50V
50V
47p
0.1
47k
47p
22k
47k
0.1
50V
0
11P
0
10k
10
4.7k
4.7k
2SC3052
22
22
22
0
0
0
1k
0
4.7k
0.01
4.7k
10
50V
4.7k
R447
1M
MC2838
4.7
RT1N431C
0
0
2.2k
0.01
10
50V
10
50V
A-GND
8
3
2
5
6
7
4
PB-L
REC-L
PB-R
REC-R
REC/PB SW
(Refer to page 36
on service manual)
on service manual)
O-BIAS
DECK-D-GND
1
1
2
3
4
5
6
+9V
1
3
2
8
6
5
4
7
PB AMP
(DECK-A)
(DECK-A)
(DECK-B)
Q405,406,408
REC/PB SELECT SWITCH
MUTING
MUTING
S
S
Q400,407
MUTING CONTROL
SWITCH
MUTING
MUTING
REC SWITCH
REC SWITCH
REC AMP
REC-MUTE
NC
Q409,410
REC CONTROL SWITCH
Q451,452
REC BIAS SWITCH
BIAS
OSC
OSC
BIAS
S
L-CH
R-CH
ERASE
(REC/PB/ERASE)
(DECK-B)
L-CH
R-CH
(PB)
(DECK-A)
PB SWITCH
PB SWITCH
PB SWITCH
S
S
S
S
DECK-A/B SELECT SWITCH,
C305
220k
C306
220k
Q303
2SJ460
(DECK-B)
PB SWITCH
Display
