Schematic Diagram - Digital Board (5/8) - Sony STR-DA3100ES Service Manual

STR-DA3100ES
2-7. SCHEMATIC DIAGRAM – DIGITAL Board (5/8) –
(5/8)
I7
D2010 1SS355
I2
I1
I3
R2454
15k
C2453
(Page 7)
270p
I6
I4
R2456
100
I5
CN1601
12P
A-GND
D-SWCH
A-GND
D-CCH
A-GND
C2432
0.0027
D-SRCH
A-GND
D-SLCH
R2432
8.2k
A-GND
D-RCH
A-GND
D-LCH
C2433
270p
C2429
0.001
R2436 R2435
100 100k
C2434
10
50V
STR-DA3100ES
R2452 C2452 R2451 R2441 R2442
8.2k 0.0027 100k 100k 8.2k
C2442
0.0027
R2453
1k
BUFFER
IC2441
NJM4580E
C2459
0.001
VCC
C2443
270p
VEE
C2444
C2454
C2449 10
10
0.001 50V
50V
C2474
R2455 R2445 R2475
100k 100k 100k 50V
R2446 R2476
100 100
C2422
0.0027
C2492
R2431 R2422 0.0027 R2492
100k 8.2k 8.2k
R2421
100k
BUFFER
IC2421
R2493
NJM4580E
C2439 1k
0.001
C2493
VCC
270p
C2423
C2489 0.001
VEE 270p
C2494
R2425 C2424
10
100k 10 50V
50V
R2495
100k
R2426 R2496
100 100
C2451 10 50V
C2441 10 50V
C2471 10 50V
C2461 10 50V
C2462
0.0027
C2472
0.0027 R2472 R2471 R2462
8.2k 100k 8.2k
R2461
100k
BUFFER
IC2461
NJM4580E
C2479
0.001
C2473
VCC
270p
VEE
C2469
10 C2463
0.001
R2465 270p
100k
C2464
10
50V
R2466
100
C2431 10 50V
C2421 10 50V
C2491 10 50V
C2481 10 50V
R2491 R2482 C2482
100k 8.2k 0.0027
R2481
100k
BUFFER
IC2481
NJM4580E
C2499
0.001
VCC
VEE
C2483
270p
R2485 C2484
100k 10
50V
R2486
100
CN1602
4P
404
10 10
(Page 12)
(Page 11)
R2404 1k
C2409 C2408
100p 0.1
R2402 100
R2401 100
D/A CONVERTER
IC2401
PCM1609
C2407
0.1
C2406
0.1
C2405
C2402 C2403 C2404 470
0.1 0.1 0.1 10V
C2401
FB2401 10 50V
(Page 11)
K1
(Page 13)
N4
R2406
10k
(Page 12)
R2403
100
N5
N3