Schematic Diagram - Digital Board (3/5) - Sony STR-K890 Service Manual

STR-K890
Q Q
4-7. SCHEMATIC DIAGRAM – DIGITAL BOARD (3/5) –
3 7 6 3 1 5 1 5 0
1 2 3
A
DIGITAL BOARD
B
C
D
E
T E
L 1 3 9 4 2 2 9 6 5 1 3
F
G
CL043
C LINK_L 15
14
AGND
CL042
C LINK_R 13
T.L OUT 12
H
GND 11
10
T.R OUT
9
L IN
F
R1411
GND 8 470
MAIN
R IN 7
BOARD
R OUT 6
(1/4)
CL040
5
CNP501 +7V
I
(Page 24) 4
L OUT
SW OUT 3
CL041
MAIN AGND 2
CL045
C OUT 1
CNS501
15P
J
K
w w w
L
STR-K890
• See page 38 for IC Block Diagrams.
4 5 6 7
DIGITAL BOARD
9
(1/5)
(Page 18)
80
83 82 81
(3/5)
C1362 R1474
0.01
10k
C1494
0.1
FB1453
0uH
C1454
0.1
C1457
10
50V
20 19
IC1401
AD CONVERTER
IC B/D
1 2
C1415
0.01
C1001
IC1001
470
10V
5.1
+5V REG
2
O
IC1001
3 G IC1403
TA7805S
I
C1002 AMP
1
0.47
C1483 R1483 IC1403
7 R1444 C1441
680p
6.8k 6.8k 680p
NJM4565M(TE2)
C1481
330p
0.1 -7
C1442
5 4
330p
0.1 0
6 3
R1486
C1448 0.1 0
C1487 1k 10
7 2
2200p
50V
R1484 0
7 0
8 1
R1445
C1438
C1547 0
10
R1446
2200p
1k 50V
SW
R1476
C1566 C1468 L
2200p 1k 10
x 50V a o
y
C1569
2200p
C
. i
R1436
1k C1428
10
50V
http://www.xiaoyu163.com
8 9 10
85 87
84 86
JR1008
0
C1455 C1450
10
0.1
50V
R1469
100
36 35
3.2
37 RST(A_LOW)
2.3
38 SCKI
39 SCKO
1.6
40 BCK
1.6
41 LRCK
FB1452
42 TEST
0uH
3.3
43 VDD
Q Q
3 44 7 DGND 6
1.3
45 DATA1
1.3
46 DATA2
1.3
47 DATA3
48 ZEROA
C1005
C1403
0.1
10
50V C1004
0.1
C1404
0.1 1 2
18 17 16 15 14 13 12 11
3 4 5 6 7 8 9 10
C1409
C1401
C1407 C1406 0.01
0.1
10 10
R1407
50V 50V
100
C1402
47 16V
IC1404
IC1405
AMP
R1473 C1474 R1434 C1432 C1462 R1463
6.8k 680p IC1404 6.8k 680p 6.8k IC1405
680p
NJM4565M(TE2) NJM4565M(TE2)
C1473 C1463
330p 330p
0.1 -7 0.1
5 4 C1433 5
330p
2.6 0 0.1
6
6 3
2.6 0 0.1
7
7 2
R1464 0
7 0 7
8 1 8
R1435
0
u 1 6 3
20 20
http://www.xiaoyu163.com
2 4
8 9 9
11 12 13 14
DOUT
TUNER_L
TUNER_R
R1556
PCM1609_SCK
PCM1803_BCK
PCM1803_LRCK
PCM1609_DATA3
PCM1609_DATA2
PCM1609_DATA1
R1602 0
PCM1609_DATA4
PCM1609_LRCK
PCM1609_BCK
PCM1609/1803_RST
PCM1609_ML
PCM1609_MDI
PCM1609_MC
PCM1609_MDO
34 33 32 31 30 29 28 27 26 25
5.1
VCC3 24
AGND3 23
5.1
VCC4 22
AGND4 21
2.6
VOUT8(1602_NC) 20
IC1452
AGND6 19
AUDIO CODEC 5.1
VCC5 18
3 1 5 1 AGND5 5 17 0 8 9
IC1452 2.6
VOUT7(1602_NC) 16
PCM1609APT
2.6
VCOM 15
2.6
IC B/D C1491
VOUT1 14 10
2.6 50V
VOUT2 13
3 4 5 6 7 8 9 10 11 12
C1461
C1460 C1472 C1475 C1420
R1470 0.1 R1421
0.1 0.1 0.1 0.1
6.8k
6.8k
R1642 R1641 R1644 R1643 R1640
10k 10k 10k 10k 10k
R1645
10k
R1492 R1491 R1494 R1493 R1490
R1495
6.8k 6.8k 6.8k 6.8k 6.8k
6.8k
IC1406
AMP
R1424 AMP C1411
C1422 C1451 R1454 R1414
6.8k 680p
680p 680p 6.8k IC1406 6.8k
NJM4565M(TE2)
C1453
330p
-7 0.1 -7
4 C1423 5 4
330p
0.1 0.1 2.6
3 6 3
0.1 0.1 2.6
2
7 2
R1455 0
0.1 7 2.6
1 8 1
R1425
0 C1413
330p
m
R1416
C1478
1k C1557
10
2200p
50V
c o
SR
R1466
C1458
C1568
1k
.
50V 2200p
10
C1418
C1567
50V R1426
10 2200p
1k
SL
2
8 9 9
15 16
35
31
30
FB1503 0uH
100
32
34
33
R1504 100
39
R1506 100
41
10
R1505 100
40
R1507 100 DIGITAL
42
BOARD
R1502 100
36
(2/5)
R1503 220
37 (Page 19)
1501~1504
1SS367-T3SONY
R1530
100k
44
ADCC_INT
46
45
51
47
48
49
50
2 4 9 8 2 9 9
13
DIGITAL
BOARD
(5/5)
(Page 22)
52
54
53
55
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