HCD-GN77D
51
51
7-21. SCHEMATIC DIAGRAM – MAIN (3/4) Board –
CN301
Q302
R347
C342
RV354
RV304
C341
R393
R342
R392
L301
L351
C385
Q391
R360
Q396
R364
Q395
Q393
R367
R366
R368
R369
R378
R377
R376
R375
R374
R373
R351
R352
R301
R302
C304
C354
R304
R354
C306
C356
R307
C308
R303
C310
R308
R309
R310
R312
Q310
R380
R382
R332
R305
C355
C305
R317
R316
D392
D393
D394
R311
R372
CN304
NO302
C333
C383
NO303
R361
Q392
R399
Q394
R353
R328
C321
C371
C326
C376
C307
R320
R370
C364
C314
R391
R371
R329
C331
C381
R379
C336
R345
C338
R346
C339
C340
C386
R363
C337
R344
R343
C332
C382
C384
C335
T301
L302
100
µ
H
C309
R306
C312
C361
C301
C303
C311
C359
C334
C351
C353
C387
R330
RV301
Q303
Q305
IC301
Q307
Q301
Q304
RV351
R355
3P
MOLEX
2SC2001
3.3k
47
16V
220k
220k
10
50V
4.7k
2.2k
2.2k
27mH
27mH
10
50V
2SB1116
680
2SB1116
680
FA1A4M
2SB1068
10k
680
10k
10k
10k
10k
10k
10k
10k
2.2k
3.3k
4.7k
3.3k
4.7k
10
50V
10
50V
2.2k
2.2k
2.2
50V
2.2
50V
1M
470
10V
10k
10 50V
100
4.7k
100
100
FA1A4M
22k
8.2k
8.2k
47k
1
50V
1
50V
10k
10k
1SS355
1SS355
1SS355
100
2.2k
13P
WIRE MT
330p
330p
WIRE MT
2.2k
FA1A4M
3.3k
FA1A4M
10k
2.2k
390p
390p
390p
390p
10
50V
2.2k
2.2k
0.0022
0.0022
3.3k
3.3k
10k
0.01
0.01
10k
2.2
50V
18k
0.0068
18k
0.0068
0.018
0.0047
2.2k
0.015
5.6
1/4W
5.6
1/4W
120p
120p
27p
0.01
BIAS TRANS
47
16V
22k
10
50V
10
50V
0.01
0.1
10
50V
47
16V
27p
0.01
0.1
0.0047
22k
47k
2SC2001
FA1A4M
HA12237
2SA1162-G
2SC3624A
FN1F4M
47k
47k
TC-PB-L
TC-PB-R
TC
B1
B2
3.3V
M+9V
TC+9V
TC MUTE
GND
55
54
53
52
51
57
58
56
69
67
61
60
66
65
REC-OUT-R
TC-PB-R
TC-PB-R
TC-PB-L
TC-PB-L
AMS-R
AMS-L
91
90
89
59
REC-OUT-L
(FOR CHECK)
TAPE A
HEAD
HEAD
TAPE B
(R)
REC LEVEL
REC LEVEL
(L)
REC BIAS
(L)
REC BIAS
(R)
TAPE MECHANISM
DECK
OSC
BIAS
OSC
BIAS
BUFFER
BUFFER
REC/PB EQUALIZER AMP
DECK A/B SELECT
SWITCH
SWITCH
RIPPLE
FILTER
DRIVE
DRIVE
DRIVE
Q395,396
B TRIG
Q396,394
CAP MOTOR
Q391,392
A TRIG
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299