Sony STR-DG900 Service Manual ▷ View online
STR-DG900
37
37
STR-DG900
4-25. SCHEMATIC DIAGRAM — VIDEO SECTION (1/2) — • Refer to page 53 for Waveforms and page 56 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
R3708
R3714
R3713
R3706
R3705
R3710
R3712
R3701
R3605
R3606
R3603
R3604
C3731
IC3731
R3621
R3632
R3633
R3634
R3622
R3624
R3623
C3701
C3702
C3323
C3324
C3325
R3321
C3725
R3717
C3618
C3616
R3644
R3641
R3736
R3643
R3733
R3276
C3277
C3279
IC3253
R3275
RY3301
RY3302
RY3304
RY3303
R3301
R3302
R3303
R3304
R3305
R3315
R3316
R3324
R3318
R3319
R3320
C3715
C3602
D3731
R3731
D3732
D3733
D3723
D3722
D3721
R3306
R3307
D3254
C3726
C3276
C3603
C3623
C3620
C3615
C3614
C3707
C3716
C3613
C3611
C3610
C3605
C3632
FL3631
C3733
C3278
R3277
R3278
D3253
JW3601
JW3603
C3619
C3604
C3601
C3617
JW3608
JW3605
C3624
C3612
C3609
C3634
C3607
C3606
C3608
R3631
C3621
R3625
R3626
R3628
R3629
C3622
R3627
R3646
FL3621
R3635
R3636
R3638
R3637
R3642
R3639
R3647
R3640
R3645
C3631
C3723
X3701
R3703
C3709
C3641
R3709
C3717
C3714 R3707
C3713
R3704
C3712
C3719
R3711
C3718
R3322
R3323
C3332
C3334
C3720
C3724
R3734
R3735
C3734
R3732
C3732
C3752
C3753
C3751
C3275
D3302
D3301
Q3252
FB3252
IC3321
C3335
C3336
X3703
Q3731
IC3751
IC3601
Q3301
Q3304
Q3302
FB3601
FB3602
J3301
FB3801
IC3701
R3715
R3716
Q3701
R3607
Q3621
Q3623
Q3647
Q3622
Q3633
Q3624
Q3632
Q3631
C3711
C3710
(Page 38)
STR-DG900
38
38
STR-DG900
4-26. SCHEMATIC DIAGRAM — VIDEO SECTION (2/2) — • Refer to page 53 for Waveforms and page 57 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
IC B/D
C3436
R3404
R3659
R3611
R3610
R3655
C3675
C3676
R3680
R3689
Q3678
Q3677
R3612
L3501
C3501
C3502
R3501
TP3501
R3532
R3531
R3521
R3522
R3523
R3527
R3528
R3529
IC3103
IC3104
R3814
C3432
C3431
R3401
R3402
D3672
R3403
C2339
C3409
C3410
C3438
C3439
C3440
C3441
C3442
C3649
C3647
C3505
C3525
C3674
C2337
C2340
CNS202
CNS509
CN3002
D3673
D3674
D3675
D3676
R3687
C3673
R3686
R3688
R3684
R3683
R3681
R3682
R3690
R3678
C3672
R3679
R3674
R3676
C3671
R3672
R3673
R3671
C3678
C3679
R3675
R3677
C3653
R3619
C3645
C3646
C3648
R3658
R3657
R3654
R3656
R3653
R3651
R3652
D3431
D3432
C3434
C3435
C3433
R3411
C3408
R3405
C3406
R3408
R3410
C3402
R3406
C3404
R3407
R3409
C3503
R3502
C3510
CT3502
C3511
C3506
C3504
C3512
R3503
R3505
R3504
R3524
R3525
R3526
C3141
C2335
C2336
C2334
C2338
C2333
J3402
J3401
IC3431
FB3661
FB3662
IC3651
C3521
C3523
C3522
IC3671
FB3503
Q3532
FB3431
FB3432
IC3101
IC3141
D3671
J3403
C3524
Q3653
Q3601
Q3604
C3651
C3652
Q3671
Q3675
Q3651
Q3652
Q3672
Q3673
Q3674
R3685
C3677
IC3102
Q3676
IC3501
X3501
Q3522
Q3521
Q3523
Q3531
CN3004
(Page 37)
(Page 40)
(Page 31)
(Page 44)
(Page 34)
STR-DG900
39
39
STR-DG900
4-28. SCHEMATIC DIAGRAM — VIDEO (AUDIO) SECTION — • Refer to page 60 for IC Block Diagrams.
4-27. PRINTED WIRING BOARD — VIDEO (AUDIO) SECTION — • Refer to page 20 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
2
3
4
5
6
7
IC2560
JW2312
JW2313
JW
2314
JW
2316
J2554
J2553
J2552
J2551
CNP2209
CNP2208
R2552
R2555
R2553
R2556
R2557
R2554
R2559
R2558
R2560
R2561
C2565
R2563
R2562
C2556
R2564
R2565
R2566
R2567
R2569
C2555
R2572
R2568
R2571
C2557
R2575
R2570
R2574
R2573
C2559
R2366
C2561
R2316
C2342
C2552
R2551
R2550
C2551
D2300
R2342
RY2300
R2582
C2566
R2581
C2560
C2554
R2583
R2584
R2341
Q2300
CNP2300
R2579
JW2303
JW
2300
R2577
R2578
R2580
JW
2311
JW
2310
JW2305
JW
2304
JW
2302
JW
2301
JW
2315
IC B/D
R2575
R2570
R2569
R2568
R2565
R2564
R2563
R2560
R2559
R2554
R2552
R2553
C2556
C2555
C2554
R2561
R2571
C2565
C2566
R2555
R2556
R2557
R2558
R2573
R2574
R2581
R2582
R2578
R2577
D2300
R2341
RY2300
R2342
CNP2300
CNP2209
CNP2208
R2562
R2566
R2567
R2366
R2316
C2559
R2572
C2557
R2584
R2583
C2342
C2551
R2551
R2550
C2560
C2561
C2552
J2552
J2553
J2554
J2551
IC2560
Q2300
R2579
R2580
(Page 21)
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(Page 21)
(Page 22)
(Page 48)
(Page 23)
STR-DG900
40
40
STR-DG900
4-30. SCHEMATIC DIAGRAM — S-VIDEO SECTION — • Refer to page 60 for IC Block Diagrams.
4-29. PRINTED WIRING BOARD — S-VIDEO SECTION — • Refer to page 20 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
2
3
4
5
6
7
R2114
R2115
R2113
JW2101
JW2100
JW2102
JW2103
JW2104
JW2105
JW2106
JW2107
JW2108
JW2109
JW2110
JW2111
JW2112
JW2113
JW2114
JW2115
JW2116
JW2117
TP2100
JW2118
JW2119
JW2120
JW2121
JW2123
C2124
C2121
C2120
C2128
D2102
C2114
CNP2101
C2109
C2110
R2105
R2106
C2111
R2107
C2112
R2108
C2116
C2115
R2112
R2111
C2117
R2110
R2109
C2108
C2107
R2104
CNS2102
IC2102
IC2101
D2103
J2104
J2106
J2105
R2103
C2125
C2126
C2127
C2118
JW2124
IC B/D
IC B/D
C2117
C2112
C2118
C2114
C2120
C2121
C2110
C2115
C2116
C2107
C2108
C2125
C2127
C2124
C2128
IC2102
R2114
CNS2102
CNP2101
JW2101
C2111
R2113
C2109
R2115
C2126
J2104
J2105
J2106
IC2101
D2102
D2103
R2103
R2104
R2105
R2106
R2107
R2108
R2109
R2110
R2111
R2112
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