Service manual

HCD-EH10
55
HCD-EH10
2-3. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
R529
R530
R116R118
R120 R119
R115
R356 R352 R384R353
Q352
R351
R354
D371 R383R355
R371
R372
R373
R374
R375
R376
R377
R378
R379
R380
R301
R302
R182
R181
R404
R403
R402
R428R427
R424 R425
C401
R308 22k
R307
22k
R441
R
442
R
434
R433
R429
R430
R439
R440
R405 R426
R423
R526
R524
R523
R525
R522 R521
R565R564
R561
R560
R535 R536
R528 R527
R531 R533
R534R532
R518
R516R514R506R504
R520
R512
R502
R501
R519
R517
R509
R511
R507 R515
R513R505
R503
R508
R510
R406
Q507
C565
C564
C562
C561
C544
C543
C529
C528
C527C525
C524
C534 0.1
C523
C522
C519
C518
C514
C513
C512
C511
C509
C413
C412
C402 C533
0.1
C508
C507
C506
C505
C504
C503
C502
C501
C438
C437
C434
C433
C432
C431
C416C415
C410 C409
C408
C407
C406
C404
C403
C382
C306
C305
C301
C184
C183
C182
C181
C531
C532
C421
C515
R410
R411
R412
IC401
C405
C567
L501
C526
R340
R339C315C302
R303
R305 R306
R304
Q351
IC301
R365 C303
C307 C308
C141
C111
L103
R117
C371
Q372
Q371
C381
R382
JW181
JW182 R112
C142
D372
R111
C304
C510
R381
J102
J101
R420
R419
C310
C309
C311
C312
2.2k
2.2k
220220
2.2k 2.2k
220
22k 2.2k 1k10k
2SC3052F
10k
10k
MC2838 10k10k
1
1
1
1
1
1
1
1
1
1
47k
47k
10
10
220
1k
100
100k100k
4.7k 4.7k
0.1
50V
47k
47k
22k
22k
4.7k
4.7k
4.7k
4.7k
04.7k
4.7k
10k
4.7k
4.7k
10k
22k 22k
4.74.7
22k
1k
220 220
4.7k 4.7k
4.7k 10k
10k4.7k
100k
4710010k4.7k
47k
2.2M
100
100
47k
100k
470k
2.2M
2.2k 47
10010k
4.7k
2.2k
470k
1k
2SC3052F
1
0.01
2200p
2200p
1000p
1000p
100p
1000p
1000p0.01
0.01
0.01
100p
0.1
0.1
1000p
1000p
470p
470p
33 16V
100 16V
100
16V
100 16V
0.01
0.01
0.047
0.047
470p
470p
47p
47p
470p
470p
470p
470p
0.22
0.22
0.10.1
0.1 0.1
4700p
4700p
0.22
0.22
0.1
0.01
0.1
0.1
2200p
0.1
0.1
0.1
0.1
1000p
1000p
0.1
10p
100k
1k
220
BD3881FV
0.1
50V
4700p
0.01
100
1001000p1000p
2.2k
4.7k 4.7k
2.2k
2SJ599-Z-E2
LA4631-E
2.2k 4.7
50V
1000
16V
1000
16V
0.01
0.1
220
0.1
2SC3052F
2SA1235F
1000p
10k
470k
0.01
MC2838
470k
100
16V
33
16V
10k
33k
33k
1000p
1000p
470p
470p
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
EMC-GND
VM9V
TU-L
TU-GND
TU-R
FUSD
S
(2/3)
INPUT SELECT,
ELECTRICAL
VOLUME
BIAS OSC
OSC
POWER AMP
Q371,372
AC DETECT
Q351,352
B+ SWITCH
PHONES
L
R
SPEAKER
(Page 4)
(Page 4)
(Page 4)
(Page 4)
(Page 6)
(Page 4)