Sony HCD-ZX80D Service Manual page 122

HCD-ZX80D/ZX100D
2-5. SCHEMATIC DIAGRAM – MAIN Board (4/6) –
(4/6)
HP1
(PB)
(DECK-A)
CN504
3P
L-CH L-PB
GND
R-PB
R-CH
HRPE1
CN503
(REC/PB/ERASE) 8P
(DECK-B)
L-PB
GND C326
680p
L-CH L-REC
R-PB C376 680p
GND
R-CH R-REC
E-HOT
ERASE GND
R370
3.3k
C371
0.0047
1
C370
0.01
100V
3
T301
BIAS OSC
HCD-ZX80D/ZX100D
Q382,383
MUTING CONTROL SWITCH
DTA114EKA
Q325
2SD2704
MUTING
R318
Q375 2.2k
2SD2704
MUTING
R368
2.2k
Q377
2SA1162 Q377,379,381
MUTING CONTROL SWITCH
Q322
2SD2704
R336
MUTING
2.2k
R390 R396
10k 10k
R399
10k
Q321
2SD2704
R337
MUTING
2.2k
Q379
DTC114EKA
Q372
2SD2704
Q381
R387
MUTING DTC114EKA
2.2k
Q373
2SD2704
R385
MUTING
2.2k
L320
27mH
R376
4.7k
C328
120p
R375
0
C373 L370
0.001 27mH
R374 R373
4.7k 4.7k
C378
R372 120p
0
C372
0.001 Q378
RT1P137P-TP-1
R371
4.7k
4
R386
33
6
R377 R378
47 10k
Q378,380
C377
0.01 Q370 REC BIAS SWITCH
2SD596
BIAS OSC
C379 R379 C374
0.0068 10 47 10V
C382
1200p
C332
1200p
Q382
Q383
DTC114EKA
DECK A/B SELECT SWITCH,
REC/PB EQ AMP
C309
47 16V
PB-NF1A
C310
10 50V
53
REC-RETN
R392 R314
6.8k 2.2k
PB-NF2A
R338
10k
C333 C359
330p 47 16V
C335
0.022
R380 R364
6.8k 2.2k
R388
10k
C383
330p
C385
0.022
L372
100 H
R395
47k
R394
4.7k
52
Q380
DTC114EKA
6 6
REC-OUT-L
C311
10
50V
R339
15k
C314
0.0022
R335 R305
1k 47k
R302 R319 R303 R304
4.7k 2.2k 10k 2.2k
C303 C305
0.1 1
50V
C304 C306
R301
10 2.2
1.5k
50V 50V
C301
0.012
TEST
AIN1 I-REF
RIP GND
BIN1 ALC DET
VCC
IC301
HA12237
GND REC MUTE ON/OFF
BIN2 MUTE ON/OFF
NC A/B
AIN2 NORMAL / HIGH SPEED
ALC ON/OFF
C355 C361
C351 1 R391 R389 10
0.012 50V 1k 15k 50V
REC-OUT-R
R351
1.5k
C354
10 50V
C353
0.1
R369 R353 C356
2.2k 10k 2.2 50V
R352 C364
4.7k 0.0022
R354 R355
2.2k 47k
H1
H2
H3
(Page 4)
K1
K2
(Page 7)
C1
C2
R306
22k
R307 C308
1M 470
C307
10V
10
L302
100 H
50V
(Page 3)
R308 100 54
C312 R309
10 50V 4.7k
C3
R310 100 55
R311 100
R312 100 56
REC-OUT-L
L1
REC-OUT-R
L2
(Page 8)