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

6-14. SCHEMATIC DIAGRAM – DIGITAL BOARD (5/8) –
I7
D2010 1SS355
I2
I1
I3
(Page 26)
I6
I4
I5
CN1601
12P
A-GND
D-SWCH
A-GND
D-CCH
A-GND
D-SRCH
A-GND
D-SLCH
A-GND
D-RCH
(Page 40)
A-GND
D-LCH
R2436 R2435
100 100k
STR-DA3100ES
• See page 67 for Waveforms. • See page 69 for IC Block Diagrams.
(5/8)
R2452 C2452 R2451 R2441 R2442
8.2k 0.0027 100k 100k 8.2k
C2442
0.0027
R2454 R2453
15k 1k
BUFFER
IC2441
NJM4580E
C2453 C2459
270p 0.001
VCC
C2443
270p
VEE
C2444
C2454
C2449
10
0.001
50V
R2456 R2455
100 100k
R2446
100
C2432
0.0027
C2422
0.0027
R2432 R2431 R2422
8.2k 100k 8.2k
R2421
100k
BUFFER
IC2421
NJM4580E
C2439
0.001
C2433 VCC
270p
C2429
0.001 C2423
VEE 270p
R2425 C2424
100k 10 50V
R2495
100k
C2434
10
50V
R2426 R2496
100 100
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
10
50V
VEE
C2474
C2469
R2445 R2475 10 C2463
0.001
100k 100k 50V R2465 270p
100k
R2476 R2466
100 100
C2431 10 50V
C2421 10 50V
C2491 10 50V
C2481 10 50V
C2492
0.0027 R2492 R2491 R2482 C2482
8.2k 100k 8.2k 0.0027
R2481
100k
BUFFER
IC2481
R2493 NJM4580E
1k C2499
0.001
C2493
VCC
270p
C2489 0.001
VEE
C2494 C2483
10 270p
R2485 C2484
50V
100k 10
50V
R2486
100
CN1602
4P
(Page 40)
404
29 29
(Page 30)
C2451 10 50V
C2441 10 50V
C2471 10 50V
C2461 10 50V
C2464
10
50V
D/A CONVERTER
IC2401
PCM1609
C2401
FB2401 10 50V
STR-DA3100ES
(Page 31) (Page 30)
K1
(Page 32)
R2404 1k
N4
C2409 C2408 R2406
100p 0.1 10k
(Page 31)
R2403
100
N5
R2402 100
R2401 100
N3
C2407
0.1
C2406
0.1
C2405
C2402 C2403 C2404 470
0.1 0.1 0.1 10V