Technics ST-HD501

A
B
C
DE
F
1
2
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5
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7
8
MAIN P.C.B.
F
1
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18
19
1
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5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
JK402
JK401
20
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
R302
R301
R
401
R403
R404
R402
R409
R411
R410
R543
R541
R542
R544 R545
R546
R550
R493
R482
D484
D483
L541
L542
E301
1
2
3
4
5
6
7
CN103A
1
2
3
4
5
6
7
CN104A
1
2
3
4
5
6
7
CN105A
J
C353
C483
C358
C482
C357
C354
R356
R355
R481
D482
J J
J J
J J
J
D481
C356
C355
C361
C362
C481
R349
R350
R351
R352
R361
R363
R358 R357
R359
R360
R362
R364
R354
J
J
J
J
J
J
C359
C360
J
J
J
J
J
C344
C346
J
J
C302
C401
C402
C405
C301
C407
C411
C413
C408
C406
C414
C541
E
C
B
Q401
E
C
B
Q402
B
C
E
Q405
B
C
E
Q406
B
C
E
Q403
B
C
E
Q302
B
C
E
Q301
B
C
E
Q303
B
C
E
Q407
B
C
E
Q543
B
C
E
Q541
B
C
E
Q542
C403
C404
C409
D401
D403
D402
D492
J
J
J
J
J
J
J
J
J
J
J
J
J
D404
D541
D542
J
J
J
J
J
J
(TP1)
J
J
J
J
J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN702A
R548
R547
R549
J
J
J
J
C415
C410
C307
C303
C305
C308
C306
C304
R408
R348
R347
R344
R343
R353
R303
R305
R307
R309
R310
R306
R304
R316
R320
R315
R317
R313
R552
R551
R321 R322
R323
R319
R331
R324
R318 R314
R406
R407
R405
C313
C310
C309
C311
C329
C325
C351
C345
C341
C337
C335
C339
C331
C343
R346
R345
R341
R366
R342
R336 R334
R338
R337
R333
R340
R339
R335
R308
J
J
J
J
J
J
J
J
J J
J J
J
C340
C334
C332
C342
C336
C328
C324
C322
C318
C338
C330
C312
C326
R330 R332
R325
J
D301
C314
C315
C316
C317
J
J
R326
J
J
J
J
J
J
J
R329
C333
C327
C321
C323
J
J
J
R491
R492
R530
J
J
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN701A
C493
J
C492
D
491
C491
J
J
J
J
J
5
1
4
8
IC301
1
5
10
15
20
24
25
30
35
40
41
45
50
55
60
64
65
70
75
80
IC302
(CT)
TP303
(D.GND)
TP304
(A.GND)
TP302
TP307
TP305
TP311
TP306
TP309
TP308
TP310
To AMPLIFIER
To CD PLAYER/
CASSETTE DECK
(REP2768J-M)
C484
J
J
R365
JJ
J
J
J
J
J
J
J
J
J J
D511
R511
C511
R513
R512
C512