Sony STR-K880 / STR-K900 Service Manual ▷ View online
13
13
STR-K880/K900
STR-K880/K900
SCHEMATIC DIAGRAM – DIGITAL BOARD (3/5) –
53
57
61
11
12
15
C1001
FB1405
R1414
R1454
R1424
R1463
R1434
R1444
R1483
C1460
FB1452
FB1453
C1438
C1428
C1458
C1418
C1448
R1486
R1446
R1436
R1466
R1426
R1416
C1487
C1547
C1566
C1569
C1568
C1567
C1557
C1402
C1403
C1407
CNS501
R1474
R1403
R1445
R1435
R1464
R1425
R1455
R
1490
R
1491
R1492
R
1493
R1494
R1495
R1407
C1413
C1411
C1453
C1451
C1423
C1422
C1463
C1462
C1433
C1432
C1442
C1441
C1483
C1481
C1450
C1454
C1494
C1405
C1408
C1401
C1409
R1402
IC1452
IC1001
C1002
R1473
C1473
C1472
IC1403
IC1404
IC1405
IC1406
IC1401
C1457
R1461
R
1470
C
1541
C
1544
C
1543
C1540
R1
472
R1475
R1420
C1478
C1491
R1401
C1406
R1476
C1468
R1484
C1404
R1471
C1545
R1460
C1542
R1421
470
10V
6.8k
6.8k
6.8k
6.8k
6.8k
6.8k
6.8k
10
50V
10
50V
10
50V
10
50V
10 50V
10
50V
1k
1k
1k
1k
1k
1k
0.0022
0.0022
0.0022
0.0022
0.0022
0.0022
0.0022
47
16V
10
50V
4.7
50V
15P
10k
10k
0
0
0
0
0
6.8k
6.8k
6.8k
6.8k
6.8k
6.8k
100
330p
680p
330p
680p
330p
680p
330p
680p
330p
680p
330p
680p
680p
330p
0.1
0.1
0.1
470p
470p
0.1
0.1
2.2k
PCM1609APT
TA7805S
0.1
8.2k
0.1
0.1
NJM4565M(TE2)
NJM4565M(TE2)
NJM4565M(TE2)
NJM4565M(TE2)
PCM1800E/2K
10
50V
0.1
8.2k
10K
10K
10K
10K
0.1
0.1
0.1
10
50V
10
50V
1k
4.7
50V
1k
10
50V
0
0.1
0.1
10K
0.1
10K
6.8k
14
14
STR-K880/K900
STR-K880/K900
SCHEMATIC DIAGRAM – DIGITAL BOARD (4/5) –
58
51
60
SUFFIX-12,-13
SUPPLEMENT-1
Page 22
SUFFIX-14
SUPPLEMENT-1
Page 22
SUFFIX-11,-12,-13,-14
SUPPLEMENT-1
Page 18
11
12
15
R
11
8
1
R
1
1
79
R
1
1
80
R
1
1
82
R1189
R1190
R
1
08
8
C1906
C1908
R
1
20
1
R1039
FB1308
C1104
C1105
R
1
18
3
R
1
18
4
R1105
R1186
IC1
601
IC
16
02
C2218
CNP503
CNP504
CNP505
C1022
IC1031
C1032
C1137
C1108
FB1101
IC1901
R1065
R1066
R1067
R1068
C1138
C1140
R1061
R1062
R1063
FB2034
C2216
C2217
R1010
R1011
R1012
R1013
R1014
R1015
R1016
R1127
R1187
JR1015
C1602
C1601
R1116
R1130
C1021
C1031
D1001
IC1904
CNS509
CNS505
R1193
47k
R1124
D1108
D1107
D1110
D1111
C1905
IC1
111
C1107
R1128
10
k
10
k
1
0k
10
k
10k
10k
10
k
470
10V
470
10V
22
k
10k
0UH
0
0
10
k
1
0k
R1
1
7
1
10
k
R
11
72
10
k
10k
10k
S
N
74
H
C
5
95
AN
SR
S
N
74
H
C
5
95
AN
SR
47
16V
5P
7P
10P
470
10V
10V
BA50BC0T
470
10V
0.01
0.1
SI-3004KWF
100
100
100
100
0.1
0.1
100
100
100
0UH
0.1
0.1
100
100
100
100
100
100
100
100
10k
0
100p
0.01
100
10k
R1017 100
0.1
0.1
1SR154-400TE-25
BA033BCOT
17P
23P
100
1SS355WTE-17
1SS355WTE-17
1SS355WTE-17
1SS355WTE-17
0.1
S
-809
29C
N
M
C
-G
8
ZT
2
G
0.1
100
AEP, UK
15
15
STR-K880/K900
STR-K880/K900
SCHEMATIC DIAGRAM – DIGITAL BOARD (5/5) –
52
60
56
59
61
11
11
12
13
14
*
US,CND
R1136
R1134
C1102
R1129
R
1
1
1
8
R
1
1
17
R
1
11
0
R
1
1
0
9
R
1
1
07
R1140
R1143
R1149
R1150
R1153
R1154
R1155
R1192
C
1
1
3
1
C
1
13
2
R1097
C
1
1
3
0
C1100
R1152
R1151
R
10
7
7
R
1
0
78
R1058
R1041
R1044
R1042
R1636
R
163
5
R1122
R1123
R1164
C
11
2
4
C
112
3
C1122
R
1
11
4
R1524
C
11
4
4
C
1
1
4
5
R1185
R1188
C
1
1
7
2
C
1
1
71
R1084
R
11
2
5
R
11
2
6
CNS504
R1156
R1157
C1139
C1103
C1121
R1160
R1161
IC1131
R
1
0
73
C1604
C
1
6
2
0
C1605
C
1
2
99
R1120
C1119
R1112
R1083
R
1
05
9
R1035
R
1
10
8
R1111
C1142
R1072
C1120
C1129
C1255
C1254
C1495
R1096
C1149
R1135
R1137
R1049
R1162
R1144
R1142
R
1
1
06
R1082
R1081
JR1104
CNS502
X1101
R1121
R1076
R1159
R1103
C1146
R1095
R1094
C1118
R1194
IC1101
100
100
0.1
100
1
k
1k
2.2
k
2
.2k
2.2
k
100
100
100
100
100
100
100
10k
0.0
1
0.0
1
100k
0.01
0.1
100
100
1
0
0
10
0
220
100
100
100
2.2k
2.2k
100
100
0
0
.1
0
.1
0.1
2
.2k
0
0
.0
1
0
.0
1
10k
10k
0.0
1
0.0
1
100
1
00
1
0
0
9P
0
0
0.1
47
16V
0.1
100
100
BR24L16FJ-WE2
3
.3
k
R
1
1
9
1
1
0k
0.1
0
.1
0.1
0.1
1k
0.1
100
10k
2
20
2.2k
2.2
k
2.2k
0.1
3.3k
0.01
0.01
220p
220p
220p
10k
220p
100
100
10k
100
100
100
1
00
100
100
0
10P
24MHz
100
100
3.3k
0
0.01
10k
10k
0.1
MB90488BPF-G
-229E1
*
R1175
1
0
0
16
16
STR-K880/K900
STR-K880/K900
PRINTED WIRING BOARD – CONVERTER BOARD –
:Uses unleaded solder.
• See page 6 for Circuit Boards Location.
SCHEMATIC DIAGRAM – CONVERTER BOARD –
DIGITAL
BOARD
CNS508
(Page 10)
Y
1
2
13
12
1
2
15
14
TUNER UNIT
AEP,UK
AEP,UK
CNS1
CNS2
B1
CONVERTER BOARD
1-871-453-11
11
(11)
1
2
A
B
C
3
4
5
6
Y
DIGITAL
BOARD
(1/5)
CNS508
(Page 11)
CONVERTER BOARD
FM
75
Ω
COAXIAL
AM
ANTENNA
1
2
3
4
5
6
7
8
9
10
11
12
13
AEP,UK
CNS2
LCH OUT
VCC
RCH OUT
GND
NC
CE
DI
CL
DO
RDS INT
RDS DATA
VSM OUT
NC
RDS DATA
RDS INT
FM SIGNAL OUT
3.3V
MUTE
R CH
GND
L CH
STEREO
TUNED
9V
CE
DI
DO
CL
TN1
*
CNS2
13P : AEP,UK
9P : K900
13P : AEP,UK
9P : K900
*
CNS1
*
CNS1
15P : AEP,UK
11P : K900
15P : AEP,UK
11P : K900
*
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