Schematic Diagram - Tc Board - Sony HCD-SPZ90DAB Service Manual

7-8. SCHEMATIC DIAGRAM – TC Board –
CN008
11P
PB-L
PB-R
A-GND
REC-R
REC-L
REC/PB SW
A+9V
REC-MUTE
(Page 28)
BIAS ON/OFF
DECK-D-GND
M+12V
HCD-SPZ90DAB
• See page 38 for Waveforms.
R350
0
R489
22k
Q405,406,408
REC/PB SELECT SWITCH
R349
100 R484 Q406
22k 2SA1235
Q408
2SA1235
R483
22k
R488 R351
22k 1k
Q405
R481 2SC3052
4.7k R482 R485
47k 4.7k R490
4.7k
R325 100 C329 0.1 50V
C331 220K R326 100 C330 0.1 50V
C332 220K
C433 0.01 D301
C401
0.1 R401 R403
50V 100k 1k
3 8
2
1
C411 C413
10p 220p
IC401(1/2)
FB301 BA4558
0
C405
R409
220p
100k
C403 R405
47p 47k
REC AMP R407 R423
4.7k 22k
C409
C430 R415 10
0.1 2.2k 50V
C410
R416
10
2.2k
50V
R408
R424
C404 R406 4.7k
22k
47p 47k
C406
R410
220p
100k
IC401(2/2)
BA4558
C402 C412 C414
6
0.1 R402 R404 10p 220p
7
50V 100k 1k
5
4
Q409,410
Q451,452
REC CONTROL SWITCH
REC BIAS SWITCH
R455
10
R442 R453
47k 4.7k
Q410
RT1N431C
Q452
2SC3052
R451
10k
R452
Q409 47k
RT1N431C JR402
0
C315 R309
8 47p 470
3
1
2
R323 R317
0 470k IC301(1/2)
NJM14558M-TE2
R313
47
R319 C323 C325 R311
18k 0.0047 0.0022 220
PB AMP C317
22
50V
C318
22
50V
C352 R320 C324 C326 IC301(2/2) R312
0.1 18k 0.0047 0.0022 NJM14558M-TE2 220
R314
C351 47
220 R324
10V 0 R318
6
470k R310
7
470
5
4
C316
UDZW-TE17-4.3B
Q403 47p
2SA1235
REC SWITCH
R427
100
R413 R445 R431 R435
220k 100k 1k 10k
R411
470k
R429 Q401
10k R433 C415 2SK2158
C417 C431 R440 47k 0.0047
MUTING
0.01 0.1 10k S
R434 C416
47k 0.0047
C418
0.01 R430
10k
D401
R412 R414 MC2838
470k 220k S
Q402
2SK2158
R446 R432 R436
MUTING
100k R428 1k 10k
100
Q404
2SA1235
REC SWITCH R466
1k
R449 R450 R456 R464
22 22 22 1k
R462
2.2k
1
R454
4.7k
2
C453
Q451 0.001
3
KTA1271Y-AT C454
0.0047
Q453
2SC2001
R457
BIAS
22k C452
OSC 47
16V
R458 C458
4.7 0.0022
23 23
R315
100
JR303 R303 C303
0 100k 1000p
R304 C304
JR304 100k 1000p R316
0 100
Q400,407
C354
MUTING CONTROL
0.1
R443 SWITCH
10k
Q407
2SA1235
C356
10
50V Q305
2SC3052
R307
MUTING
4.7k
R437 R444
10k 100k
R439
4.7k
Q306
2SC3052
R438 R308
MUTING
10k R441 4.7k
0
JR310
S
0
Q400
2SK2158
C461
470p
C462
470p
R461 R463 R465
2.2k 1k 1k
6
R459 R460
0 0
5
4
L451
BIAS
OSC C456
0.01
HCD-SPZ90DAB
HRPE1
CN302
(REC/PB/ERASE)
8P
ERASE
R-CH
L-CH