22
22
STR-DB900
STR-DB900
4-10. PRINTED WIRING BOARD — AMP BOARD (SIDE A) —
•
See page 10 for Circuit Boards Location.
:Uses unleaded solder.
1
4
8
5
1
4
8
5
8
14
7
1
8
14
7
1
8
14
7
1
8
14
7
1
8
14
7
1
8
14
7
1
8
14
7
1
8
14
7
1
24
1
41
64
80
65
25
40
24
1
41
64
80
65
25
40
24
1
41
64
80
65
25
40
24
1
41
64
80
65
25
40
8
14
14
7
1
1
3
5
4
8
14
7
1
5
8
4
1
5
8
4
1
5
8
4
1
C476
R540
R541
R542
R543
R544
R545
R546
R547
R548
R549
R550
R551
R552
R553
R554
R555
R556
R533
C615
Q311
R431
Q310
E
E
IC324
C389
R343
R342
R339
R338
C512
R400
R403
R402
R401
C491
C490
C461
R341
R344
R407
R406
R405
R404
C404
R602
R601
R457
R456
R455
R454
R453
R452
R451
FB602
FB601
FB326
FB325
FB324
FB323
FB322
FB321
D316
R509
R487
R488
C536
Q317
Q318
E
E
E
E
E
E
E
E
E
E
E
E
D319
R510
R489
R490
C537
Q319
Q320
D321
R511
R491
R492
C538
Q321
Q322
D323
R512
R494
R493
C539
Q323
Q324
D320
R513
R496
R495
C540
Q325
Q326
D602
R631
R630
R629
C641
Q607
Q606
R539
FB310
R346
C395
R347
C560
C364
FB318
IC311
R306
R308
R309
THP301
C323
R315
IC304
C345
C388
C318
C321
R311
R313
FB313
IC305
C325
C322
R312
R310
C344
R501
R502
R500
R301
C309
R468
R459
C414
FB312
R314
R316
R317
THP302
C385
R335
IC309
C400
C366
C324
C383
R331
R333
FB328
IC310
C367
C386
R332
R330
R538
C399
FB327
R334
R336
R337
THP303
C384
R365
IC314
C457
C368
C443
C445
R361
R363
FB330
IC315
C447
R428
C442
R362
R360
C456
C390
R340
R420
FB319
R466
X300
IC325
FB329
R364
R366
R367
THP304
C448
R373
IC316
IC301
C473
C369
C449
C444
R369
R371
FB332
IC317
C613
C451
R370
R368
C472
IC308
IC313
IC605
C377
C651
FB331
R372
R504
R505
R374
R503
FB603
C608
R375
R470
THP305
R537
C611
R615
IC601
C621
C453
C436
C612
R458
IC326
R507
R508
R506
FB320
C450
R610
R603
R611
FB607
IC602
C374
C391
C614
R613
R612
C303
R606
R605
R607
C434
C619
FB606
R614
R616
R617
THP601
C507
IC320
R408
R417
R416
C497
C496
C504
C503
R409
IC321
C505
R413
R411
C498
L305
C501
D303
R536
C329
R535
R534
R345
C394
C511
C514
C513
R421
C506
R302
R304
C315
C319
C617
C306
C316
R307
IC302
C330
C365
C317
R303
R305
FB311
IC303
C661
C662
C663
C664
C502
11
(11)
1-863-033-
AMP BOARD (SIDE A)
2
3
4
5
6
7
8
9
10
11
12
13
A
1
B
C
D
E
F
G
H
• Semiconductor Location
Ref. No.
Location
D303
F-2
D316
A-4
D319
A-5
D320
A-10
D321
A-7
D323
A-8
D602
A-12
Ref. No.
Location
IC301
G-5
IC302
E-4
IC303
E-4
IC304
E-5
IC305
E-6
IC308
G-6
IC309
E-7
Ref. No.
Location
IC310
E-7
IC311
B-2
IC313
G-8
IC314
E-8
IC315
E-9
IC316
E-10
IC317
E-11
Ref. No.
Location
IC320
G-3
IC321
G-3
IC324
F-2
IC325
F-4
IC326
G-12
IC601
E-11
IC602
E-12
Ref. No.
Location
IC605
G-9
Q310
G-2
Q311
G-2
Q317
A-4
Q318
A-4
Q319
A-5
Ref. No.
Location
Q320
A-5
Q321
A-7
Q322
A-7
Q323
B-9
Q324
B-8
Q325
B-10
Q326
B-10
Ref. No.
Location
Q606
B-12
Q607
B-12
Summary of Contents for STR-DB900
Page 63: ...63 STR DB900 MEMO ...