Sony STR-K670P Service Manual ▷ View online
13
13
STR-K670P
STR-K670P
3-2. BLOCK DIAGRAM — DISPLAY/POWER SECTION —
• R-CH is omitted due to same as L-CH
IN2
8
12
+V OUT2
POWER AMP
IC501
POWER AMP
IC601
9
NF2
LIMITER
Q501,502
11
-V OUT2
IN2
12
+V OUT2
9
NF2
11
-V OUT2
BOOSTER
Q503
BOOSTER
Q504
CURRENT
DETECT
Q505,506
AF POWER
PROTECT
Q507
LIMITER
Q601,602
BOOSTER
Q603
BOOSTER
Q604
CURRENT
DETECT
Q605,606
IN2
8
12
+V OUT2
POWER AMP
IC701
IC502
WOOFER AMP
9
NF2
LIMITER
Q701,702
11
-V OUT2
BOOSTER
Q703
BOOSTER
Q704
CURRENT
DETECT
Q705,706
IN1
6
2
+V OUT1
5
NF1
LIMITER
Q751,752
3
-V OUT1
BOOSTER
Q753
BOOSTER
Q754
CURRENT
DETECT
Q755,756
D883
PROTECT
SWITCH
Q881-883
RELAY
DRIVE
Q509
RY502
RELAY
DRIVE
Q508
RY501
D731
RELAY
DRIVE
Q608
RY601
D733
RELAY
DRIVE
Q708
RY701
D734
L
R
SR
SL
C
SW
R-CH
R-CH
R-CH
PHONES
TM601
TM600
61
PROTECTOR
62
HP RY
66
FRONT RY
69
REAR RELAY
68
C/SB RY
RV102
ENCODER
3
1
VOL_ENC(B)
46
VOL_ENC(A)
45
POWER KEY
56
?/1
S152
77
RSTX
48
STOP
54
SIRCS
63
FUSE DETECT
REMOTE
CONTROL
RECEIVER
1
IC102
D910-913
AC
IN
T902
RY901
E51
D915
F901
D914
RELAY
DRIVE
Q901
D920-923
23
VCC5
84
VCC3
-7V
REG
3
2
+7V
REG
1
3
AUDIO
+7V
IC821
IC822
POWER RY
58
RELAY
+B
D804-807
82
83
X0
X1
X1101
24MHz
F1
F2
L
SL
SL
C
SW
A
J700
FLUORESCENT
INDICATOR TUBE
FL101
59
FL DATA
60
FL CLK
57
FL_LAT
7
DIN
8
CLK
9
STB
14 29
SEG1-16
42 31
GRID1-12
F1
F2
FL DRIVE
IC100
FUNCTION
KEY
A/D0
38
S100-108
S131-139
FUNCTION
KEY
A/D1
39
FUNCTION
KEY
A/D2
40
S110-116
SYSTEM CONTROL
IC1101(3/3)
• Signal Path
: FM
AF POWER
PROTECT
Q607
AF POWER
PROTECT
Q707
IC850
2
1
FRONT
SURROUND
SUB WOOFER
CENTER
IC850
5
7
55
HP DETECT
BUFFER
IC101
35
AVCC
+3.3V
REG
3
1
IC1904
AUDIO
-7V
+10V
REG
3
1
TUNER
+10V
AEP, UK, RU
TUNER
+3.3V
IC1902
T901
+3.3V REG
Q471
Q911
AC DET
1
2
IC1111
+3.3V
D811
+B
-B
-B
SWITCH
Q851,852
-20V REG
Q801
FL101
-20V
POWER AMP
-B
+5V
REG
3
1
IC1031
+5V
+2.5V
REG
5
+2.5V
+3.3V
REG
2
4
IC1901
+3.3V
+5V
REG
3
1
IC1001
+3.3V
REG
IC1071
AUDIO
+5V
SPEAKERS
MASTER
VOLUME
VOLUME
8
RESET
+3.3V(STBY)
S901
VOLTAGE
SELECTOR
MAIN
SECTION
7
3
Ver. 1.2
14
14
STR-K670P
STR-K670P
3-3. PRINTED WIRING BOARD — DIGITAL BOARD (SIDE A) —
•
:Uses unleaded solder.
•
See page 11 for Circuit Boards Location.
IC1101
IC1111
IC1131
IC1501
IC1502
IC1503
IC1301
IC1452
IC1401
IC1303
AEP, UK, RU
JR1301
R1352
R1303
R1304
R1301
D1302
JR1511
R1360
R1305
R1359
C1360
R1357
R1356
R1306
R1307
R1308
R1309
JR1020
R1310
FB1305
R1315
R1313
R1311
R1312
X1301
R1515
C1521
FB1503
R1504
R1506
R1505
R1502
R1555
R1541
R1520
R1521
R1522
R1519
R1518
R1517
R1554
R1553
R1552
R1525
R1526
R1551
R1550
R1549
R1548
R1547
C1063
C1913
D1001
R1536
R1535
R1534
R1533
R1136
R1044
R1140
R1042
R1041
R1065
R1066
R1067
R1068
R1150
C1422
D1106
D1103
R1176
R1177
R1098
D1105
Q1105
R1155
R1178
R1134
R1135
R1532
R1546
R1574
R1573
R1572
R1570
R1571
X1502
R1523
FB1502
C1516
C1522
R1501
C1511
R1538
R1540
R1543
R1537
R1539
R1542
R1527
R1528
R1137
R1142
R1143
R1154
R1152
R1425
R1153
R1151
R1635
R1083
R1179
R1180
C1122
C1123
C1124
R1190
R1128
R1105
R1186
R1175
R1058
R1059
R1106
R1112
R1107
R1108
R1109
R1110
R1111
R1127
R1524
X1101
R1115
R1113
R1114
FB1308
R1119
R1421
Q1104
Q1103
R1509
R1508
R1503
JR1501
JR1203
C1302
C1303
C1304
FB1306
C1301
D1301
C1357
C1361
C1405
C1408
R1018
R1402
R1401
FB1405
FB1405
R1407
R1460
R1484
R1472
C1441
R1445
R1436
R1435
R1426
R1466
R1416
R1456
C1432
R1464
R1486
R1446
R1476
C1487
R1403
C1315
R1318
R1316
R1358
FB1452
C1002
• Semiconductor
Location
Ref. No.
Location
D1001
C-8
D1103
G-7
D1105
G-8
D1106
G-7
D1301
D-3
D1302
D-2
IC1101
F-8
IC1111
D-9
IC1131
G-7
IC1301
C-3
IC1303
D-2
IC1401
F-2
IC1452
F-4
IC1501
E-5
IC1502
C-5
IC1503
F-6
Q1103
G-8
Q1104
G-8
Q1105
G-8
Ver. 1.2
15
15
STR-K670P
STR-K670P
3-4. PRINTED WIRING BOARD — DIGITAL BOARD (SIDE B) —
•
:Uses unleaded solder.
•
See page 11 for Circuit Boards Location.
IC1901
IC1031
IC1902
IC1071
IC1352
IC1001
IC1904
EXCEPT AEP, UK, RU
EXCEPT AEP, UK, RU
EXCEPT
US, CND
AEP, UK, RU
EXCEPT AEP, UK, RU
AEP, UK, RU
17
1
16
2
1
5
IC1031
B
MAIN BOARD
CN503
(Page 20)
A
MAIN BOARD
CN503
(Page 20)
E
DISPLAY BOARD
CNS100
(Page 25)
FOR
FLASH
PROGRAMMING
F
MAIN BOARD
CNP502
(Page 20)
G
MAIN BOARD
CNP501
(Page 20)
TN1
TUNER UNIT
NOT USED
Pin No.1 to Pin No.5
Pin No.6 to Pin No.9
C
STANDBY BOARD
CNP801
(Page 24)
D
MAIN BOARD
CN504
(Page 20)
SA-CD /
CD IN
DVD IN
COAXIAL
OPTICAL
DIGIT
AL
C1905
C1031
C1032
JR1206
R1544
R1545
C1514
JR1214
C1507
C1508
R1099
CNP505
C1906
C1908
C1022
C1021
C1914
C1064
CNS508
R1251
R1260
CNS509
R1261
FB1501
C1517
C1515
C1520
C1519
C1509
JR1212
C1510
JR1215
C1513
R1514
C1313
C1312
R1362
C1308
C1352
C1305
C1358
R1302
C1306
C1359
R1019
C1355
J1301
C1309
R1252
C1252
C1253
C1251
FB1302
C1314
C1518
C1310
R1314
JR1201
JR1204
R1511
JR1202
CNP504
R1187
R1035
D1110
D1111
D1107
D1108
C1102
R1075
C1107
R1095
R1094
R1071
CNS505
R1123
R1122
C1620
C1108
C1120
C1121
R1132
R1118
R1117
R1144
C1505
C1503
R1507
R1556
C1501
R1513
R1512
R1493
C1472
JR1211
R1049
C1149
C1411
C1451
R1490
C1478
R1455
C1458
C1568
C1418
C1567
C1428
C1569
C1468
R1491
C1566
C1438
C1547
C1119
C1130
C1129
R1164
R1096
C1139
C1126
R1168
R1167
C1118
R1053
CNS504
C1100
R1189
FB1101
C1103
C1137
C1138
C1140
C1604
R1194
R1193
C1495
CNS502
C1142
R1159
R1052
R1147
C1254
R1120
C1255
R1138
R1161
R1160
R1420
R1510
C1506
C1504
C1502
C1525
R1494
C1462
R1475
R1495
R1471
R1470
R1461
R1474
C1494
C1457
C1403
C1402
C1362
C1356
FB1453
D1004
C1004
D1003
R1355
C1491
C1483
CNS501
R1492
C1450
C1454
C1404
C1401
C1406
C1407
C1488
C1001
C1460
C1409
R1162
R1149
R1121
R1039
C1299
R1088
R1073
R1072
R1077
R1636
C1605
R1078
R1076
R1124
R1129
R1097
R1079
CNP503
R1201
• Semiconductor
Location
Ref. No.
Location
D1003
E-9
D1004
E-8
D1107
D-3
D1108
D-3
D1110
D-3
D1111
D-3
IC1001
F-8
IC1031
B-3
IC1071
B-5
IC1352
B-9
IC1901
B-2
IC1902
B-4
IC1904
C-2
Ver. 1.2
16
16
STR-K670P
STR-K670P
3-5. SCHEMATIC DIAGRAM — DIGITAL BOARD (1/4) —
•
See page 11 for Waveform.
•
See page 27 for IC Block Diagram.
X1301
R1356
R1358
R1357
R1306
R1307
R1309
R1303
R1301
R1355
C1310
C1304
C1302
C1360
R1315
R1313
R1312
R1359
R1362
R1304
R1310
R1316
R1314
C1357
R1302
C1356
C1306
C1252
C1253 C1251
C1314
C1361
C1303
C1305
C1362
C1308
C1355
IC1352
R1352
R1305
CNS509
IC1303
D1302
FB1306
IC1301
FB1305
TP1003
TN1
D1301
TP1004
C1004
D1004
D1003
CNS508
R1318
C1315
C1313
C1312
C1301
R1311
R1360
JR1020
R1308
JR1511
C1309
C1359
C1358
C1352
R1261
R1260
R1252 R1251
JR1301
FB1302
J1301
12.288MHz
1k
560k
22k
22
100
100
33k
5.6k
75
18p
0.01
0.01
47p
100
100
100
100
100
100
1M
100
10k
1p
4.7k
0.01
47
16V
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
22
25V
680
TC7WU04F(TE12R)
1SS355TE-17
0
LC89056W-E
0
TUNER UNIT
1SS355TE-17
0.022
1SS367-T3SONY
1SS367-T3SONY
10k
0.1
100p
0.1
0.1
100
100
0
100
0UH
18p
1000
6.3V
0.1
1k
1k
39k
39k
0
100
TORX147L
5P
1P
0.1
0
,RU
,RU
,RU
Ver. 1.2
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