Schematic Diagram - Digital Ab Board (2/5) - Sony STR-K7200 - Av Receiver Component Service Manual

STR-K7200

6-11. SCHEMATIC DIAGRAM - DIGITAL AB Board (2/5) -

1 2 3
DIGITAL AB BOARD (2/5)
A
B
C
D
E
60
F
59
58
11
57
56
DIGITAL 55
AB BOARD
FB1403
(1/5) 54
(Page 25)
53
52
51
G
R1401
100
H
CNS501
15P
AGND 1
SL OUT 2
I
+7V 3
SBR OUT 4
SBL OUT 5
B
L IN 6
C1659
7 1
AGND
50V
MAIN
R IN 8
BOARD
C1660
(2/3) TUNER R 9 1
CNP411 50V
AGND 10
(Page
TUNER L 11
23)
J
DMPORT L- 12
DMPORT R- 13
14
DMPORT L+
DMPORT R+ 15
STR-K7200
• See page 48 for IC Block Diagrams.
4 5 6 7
R1200
100
FB1453
C1457 C1454 C1320 C1258 R1474
100 0.1 100p 220p
10k
16V
14 13 12
15 16 17
R1148
C1455 C1459
C1461
0.1 0.1
100
16V
R1643 10k
R1644 10k
R1645 10k
R1647 10k
R1648 10k
IC1001
+5V REGULATOR IC1001
TA7805S
5 7
3 1
O I
G
IC B/D 2
IC1401
A/D CONVERTER
C1362
0.01
C1004
1.6 1.6 0.1
8 7
BCK LRCK
1.2 1.6
9 DOUT SCKI 6
C1654 0.1
10 MD0 DGND 5
3.3
C1653 10 50V
11 MD1 VDD 4
FB1405
3.3 5
12 FMT VCC 3
2.1
13 VINL AGND 2
R1476
2.1 2.1
14 VINR VREF 1
C1001
R1486
470
1k
10V
IC1401
PCM1808PWR
8 9 10
11 10 9 8 7 6 5 4 3 2 1
IC B/D
IC1452
D/A CONVERTER
18 19 20 21 22 23 24 25 26 27 28
33
C1450
0.1
C1460
100
16V
C1471 C1420
FB1452
0.1 0.1
R1498 6.8k
R1497 6.8k
R1496 8.2k
R1495 6.8k
R1493
6.8k R1494 6.8k
IC1404
C1432 R1463
LINE AMP
680p 6.8k
R1434
R1473 C1474
IC1404
6.8k 680p 6.8k
IC NJM4565M(TE2)
0 -7
VEE
5 4
0 0
6 3
0 0
7 2
7 0
8 VDD 1
R1485 R1435 R1464
0 0 0
C1428
C1418
10
1k 10
50V
50V
C1468
10
50V
C1473 C1915 C1463
C1433
330p 0.1 330p
330p
26 26
11 12 13 14
IC1405 IC1406
C1422 R1454
LINE AMP LINE AMP
C1462 0.1 6.8k
R1424 C1456
680p IC1405 IC1406
8.2k 680p
IC NJM4565M(TE2) IC NJM4565M(TE2)
0 -7 0
VEE
5 4 5
0 2.4 0
6 3 6
0 2.4 0
7 2 7
7 2.4 7
8 VDD 1 8 VDD
R1425 R1455
0
0
C1458
C1478
10
10
50V
50V
C1453
R1426 C1423 R1416
330p
1k 1k
0.1
15 16 17
99
100
101
102
103
16
104
105
DIGITAL
AB BOARD
106
(3/5)
107
(Page 27)
108
109
C1411
680p
R1414 17
133
6.8k
134
-7
VEE DIGITA L
4 135
AB BOARD
0
3
136 (5/5)
0
(Page 29)
2
0
1
R1427
0
CNS502
13P
1
VOL IC CLK
2 VOL IC DATA
3 VACS CTRL
C1488
10
4 PROTECTOR
50V
A
R1456 5 +7V
C1413 1k
330p
6
-7V
MAIN
7 FR OUT
BOARD
(2/3)
8 AGND
CNP410
9 FL OUT
(Page 23)
10 SW
11 AGND
12 C OUT
13 SR OUT
18
110
111
DIGITAL
AB BOARD
(4/5)
(Page 28)