Sony HCD-GT22, Schematic Diagram

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HCD-GT22/GT44/GT55
35 35
HCD-GT22/GT44/GT55
7-12. SCHEMATIC DIAGRAM – TC Board –
•
See page 36 for Waveforms
BOARD
(2/4)
J
MAIN
CN202
21
22
0.7
<<0.7>>
{0}
0.1
<<0.1>>
{6.6}
0<<0>>
{6.8}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
0.1
<<0.1>>
{6.6}
4<<4>>{4.2}
0.1<<0.1>>{6.6}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
0.1<<0.1>>{6.6}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
3.3
<<3.3>>
{6.8}
3.3
<<3.3>>
{6.8}
0.1
<<0.1>>
{6.1}
0<<0>>{4.8}(-10.5)
0<<0>>{4.8}(-10.5)
0<<0>>{4.8}(-10.5)
0<<0>>{4.8}(-10.5)
0<<4>>{4.2}(-3.6)
0<<0>>
{4.2}
4<<4>>{4.2}
0.3(8.6)
0.3(5)
0.3(0.8)
0(0.2)
9.1(7.9)
(8.6)9.1
7.7<<7.7>>{8}
0
4
<<4>>
{4.2}
4<<4>>{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
4<<4>>{4.2}
7.7<<7.7>>{8}
4<<4>>{4.2}
4<<4>>{4.2}
0
<<0.1>>
{6.8}
(-10.5)0
<<0>>{5.4}
4<<4>>
{4.2}
3.5(4.2)
<<4>>
(3.8) 3.5<<3.5>>
(4.2){3.8}
4<<4>>
{4.2}
(0.7)0
9.1(0)
0
3.1
4<<4>> {4.2}
4<<4>>{4.2}
4<<4>>{4.2}
4
<<4>>
{4.2}
4
<<4>>
{4.2}
7.7
<<7.7>>
{8}
3.5
(4.2)
<<3.5>>
{3.8}
4<<4>>{4.2}
4<<4>>{4.2}
4
<<4>>
{4.2}
0
0
<<0>>
{4.8}
(-10.5)
16V
47
C452
1
2
3
4
5
6
7
8
9
10
11
11P
CN008
NC
DECK-D-GND
O-BIAS
REC-MUTE
+9V
REC/PB SW
REC-L
REC-R
A-GND
PB-R
PB-L
50V
0.1
C401
50V
0.1
C402
0.1
C430
47p
C403
47p
C404
10p
C411
10p
C412
0.01
C417
0.01
C418
470k
R411
470k
R412
220k
R413
220k
R414
150k
R423
150k
R424
220p
C405
220p
C406
220p
C413
220p
C414
6.8k
R407
6.8k
R408
50V
10
C409
50V
10
C410
10
R427
10
R428
0.01
C433
47k
R442
10k
R451
10
R455
MC2838-T112-1
D401
2SC3052EF-T1-LEF
Q404
2SC3052EF-T1-LEF
Q403
2SC3052EF-T1-LEF
Q401
2SC3052EF-T1-LEF
Q402
2SC3052EF-T1-LEF
Q454
4.7k
R453
4.7k
R454
4.7
R458
0.001
C453
22k
R457
6800p
C454
0
R459
0.01
C456
2.2k
R461
2.2k
R462
1k
R463
1k
R464
470p
C462
470p
C461
0
R487
22
R449
22
R450
22
R456
2SC3052EF-T1-LEF
Q408
47k
R482
10k
R481
0
JR313
0
R483
2.2k
R484
100
R349
10k
R435
10k
R436
2.2k
R437
2.2k
R438
100k
R443
10k
R444
50V
10
C356
1k
R431
47k
R433
4700p
C466
10k
R429
4700p
C416
47k
R434
1k
R432
10k
R430
0
R350
0
R441
4.7k
R307
4.7k
R308
0.01
C355
100
R315
100
R316
47k
R303
47k
R304
1000p
C303
1000p
C304
220k
R306
+
-
NJM4558V-TE2
IC401(1/3)
3
2
1
+
-
NJM4558V-TE2
IC401(2/3)
5
6
7
NJM4558V-TE2
IC401(3/3)
8
POWER
4
GND
1000p
C302
47k
R301
47k
R302
1000p
C301
+
-
NJM14558V-TE2
IC301(1/3)
3
2
1
+
-
NJM14558V-TE2
IC301(2/3)
5
6
7
NJM14558V-TE2
IC301(3/3)
8
POWER
4
GND
6800p
C323
6800p
C324
470
R310
470
R309
47
R313
47
R314
220
R311
220
R312
22k
R319
22k
R320
4.7k
R323
4.7k
R324
470k
R317
470k
R318
47p
C315
47p
C316
50V
22
C318
50V
22
C317
220p
C327
220p
C328
16V
220
C350
0.1
C353
1k
R351
10V
220
C351
0.1
C352
100
R325
100
R326
1
2
3
4
5
6
7
8
8P
CN302
EH+
EH-
GND
REC-L
PB-L
PB-R
REC-R
GND
1
2
3
3P
CN301
Lch
REF
Rch
UDZW-TE17-4.3B
D301
220k
R305
0.1
C354
0
R486
100
R321
100
R322
6
2
1
3
5
4
T001
KTA1271Y-AT
Q455
RT1N141C-TP-1
Q409
RT1N431C-TP-1
Q410
S
2SJ461
Q301
S
2SJ461
Q302
0
JR315
0
JR316
KTC3203Y-AT
Q453
S
2SK2158-T2B
Q303
S
2SK2158-T2B
Q304
0.047
C330
47k
R401
47k
R402
47k
R404
47k
R403
47k
R405
47k
R406
47k
R452
10k
R440
0.047
C329
JW312
ISA1235AC1TP-1EF
Q405
ISA1235AC1TP-1EF
Q406
ISA1235AC1TP-1EF
Q407
ISA1235AC1TP-1EF
Q305
ISA1235AC1TP-1EF
Q306
L-CH
R-CH
L-ch
R-ch
+
-
+
-
+
-
ERASE
TC BOARD
A
10 1 2
J
H
B
13 11
C
7 8
I
14
F
9 6
K
4 15 16 3
G
D
5 17
E
12
REC AMP
IC401
REC SWITCH
REC BIAS SWITCH
Q454,455
REC CONTROL SWITCH
Q409,410
BIAS OSC
MUTING
BIAS OSC
Q402,404
CONTROL SWITCH
MUTING
MUTING
Q401,403
MUTING
MUTING
PB SWITCH(DECK-B)
PB SWITCH(DECK-A)
PB SWITCH(DECK-A)
PB SWITCH(DECK-B)
HRPE1
(REC/PB/ERASE)
(DECK-B)
(PB)
(DACK-A)
HP1
IC301
PB AMP
DECK-A/B SELECT
SWITCH,
REC-PB SELECT
SWITCH
REC SWITCH
BIAS OSC
(Page 39)