DOWNLOAD Sony STR-K760P Service Manual ↓ Size: 5.7 MB | Pages: 43 in PDF or view online for FREE

Model
STR-K760P
Pages
43
Size
5.7 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-k760p.pdf
Date
PREV: Sony HT-DDW665 / STR-K665P Service Manual

Sony STR-K760P Service Manual ▷ View online

13
13
STR-K760P
– DISPLAY/POWER SECTION –
• R-CH is omitted due to same as L-CH
IN2
8
12
+V OUT2
POWER AMP
IC701
POWER AMP
IC702
9
NF2
LIMITER
Q701,702
11
-V OUT2
IN2
12
+V OUT2
9
NF2
11
-V OUT2
BOOSTER
Q703
BOOSTER
Q704
CURRENT
DETECT
Q705,706
AF POWER
PROTECT
Q740
LIMITER
Q651,652
BOOSTER
Q653
BOOSTER
Q654
CURRENT
DETECT
Q655,656
IN+
1
6
+V OUT
POWER AMP
IC501
2
IN-
LIMITER
Q501,502
5
-V OUT
BOOSTER
Q503
BOOSTER
Q504
CURRENT
DETECT
Q505,506
D721
PROTECT
SWITCH
Q722,723,725
RELAY
DRIVE
Q790
RY791
RELAY
DRIVE
Q710
RY701
D731
RELAY
DRIVE
Q610
RY601
D733
RELAY
DRIVE
Q550
RY501
D734
L
R
SR
SL
C
R-CH
R-CH
R-CH
PHONES
TM601
TM602
66
PROTECTOR
67
HEADPHONE RELAY
71
PREOUT/FRONT RELAY
69
REAR RELAY
70
CENTER RELAY
RV102
ENCODER
3
1
VOL(B)
59
VOL(A)
60
POWER KEY
56
?/1
S152
77
RSTX
48
STOP
54
SIRCS
55
FUSE DETECT
REMOTE
CONTROL
RECEIVER
1
IC102
D910-913
AC
IN
T902
RY901
E51
D915
F901
D914
RELAY
DRIVE
Q901
D820-823
23
VCC5
84
VCC3
-7V
REG
3
2
+7V
REG
1
3
AUDIO
+7V
IC801
IC802
POWER RELAY
65
RELAY
+B
D812-815
82
83
X0
X1
X1601
16MHz
F1
F2
L
SL
SL
C
A
J791
FLUORESCENT
INDICATOR TUBE
FL101
61
DIN
62
CLK
63
FL_STB
7
DIN
8
CLK
9
STB
14 29
SEG1-16
42 31
GRID1-12
F1
F2
1
SW1
2
SW2
3
SW3
4
SW4
FL DRIVE
IC100
D102-105
FUNCTION
KEY
A/D0
38
S100-107
S131-135,
S151
FUNCTION
KEY
A/D1
39
FUNCTION
KEY
A/D2
40
S120-123,
S125
FUNCTION
KEY
A/D3
41
S110-115
SYSTEM CONTROL
IC1601(3/3)
• Signal Path
: FM
AF POWER
PROTECT
Q640
AF POWER
PROTECT
Q540
IC601
2
1
FRONT
SURROUND
CENTER
IC601
5
7
25
HP DETECT
BUFFER
IC101
35
AVCC
+3.3V
REG
3
1
IC1904
AUDIO
-7V
+10V
REG
3
1
TUNER
+10V
IC1902
T901
+3.3V REG
Q471
Q921
AC DET
1
2
IC1602
+3.3V
D802
+B
-B
-B
SWITCH
Q691,692
-30V REG
Q801
FL101
-30V
POWER AMP
-B
+5V
REG
3
1
IC1903
+5V
+2.5V
REG
5
+2.5V
+3.3V
REG
2
4
IC1901
+3.3V
+5V
REG
3
1
IC1503
AUDIO
+5V
SPEAKERS
MASTER
VOLUME
8
RESET
+3.3V(STBY)
S901
VOLTAGE
SELECTOR
MAIN
SECTION
14
14
STR-K760P
• See page 11 for Circuit Boards Location.
3-3. PRINTED WIRING BOARD – DIGITAL BOARD (SIDE A) –
• 
 : Uses unleaded solder.
Ref. No.
Location
D1101
E-4
D1601
G-7
IC1101
C-3
IC1102
D-2
IC1201
E-5
IC1202
C-5
IC1501
F-3
IC1601
F-7
IC1602
G-8
IC1604
F-8
Q1601
G-7
Q1602
G-7
• Semiconductor
Location
IC1501
IC1102
IC1101
IC1202
IC1201
IC1601
IC1602
IC1604
11
1
23
22
12
34
44
33
E
E
1
3
5
4
G1101
R1677
R1678
R1679
R1663
EXCEPT CND
R1672
15
15
STR-K760P
• See page 11 for Circuit Boards Location.
3-4. PRINTED WIRING BOARD – DIGITAL BOARD (SIDE B) –
• 
 : Uses unleaded solder.
Ref. No.
Location
D1001
E-8
D1501
E-8
D1502
E-9
IC1104
C-10
IC1503
G-6
IC1901
C-3
IC1902
B-3
IC1903
D-3
IC1904
D-3
• Semiconductor
Location
IC1902
IC1901
IC1903
IC1904
IC1503
IC1104
3
1
1
1
3
1
1
3
3
3
4
5
1
8
1
1
3
13
1
5
14
1
11
1
5
2
4
2
10
1
3
A
STANDBY BOARD
CNP912
(Page 22)
K
DISPLAY BOARD
CNS100
(Page 24)
I
MAIN BOARD
CNP502
(Page 18)
H
MAIN BOARD
CNP501
(Page 18)
B
STANDBY BOARD
CNP802
(Page 22)
J
MAIN BOARD
CNP911
(Page 18)
TUNER UNIT
AM
FM 75 
COAXIAL
DVD IN
COAXIAL
VIDEO2 IN
OPTICAL
DIGITAL
R1622
CNS8
E
VIDEO BOARD
CNS250
(Page 21)
16
16
STR-K760P
3-5. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/2) –
TP
12
03
T
P
1204
TP1205
TP1206
TP1207
TP1208
TP1209
TP1210
TP1211
TP1212
TP1213
TP1
214
TP1
215
TP
12
16
T
P
1217
T
P
1
218
T
P
121
9
TP1220
TP1221
TP1222
TP
120
1
TP1
C1109
C1110
C1114
C1115
C1131
C1216
C
1
218
C1220
CNS1
IC1101
R1100
R1102
R1103
R1104
R1106
R
1108
R1109
R
11
11
R
1114
R1115
R1116
R1124
R1202
R
1203
R
120
6
R
120
7
R120
8
R1212
R1213
R1214
R1215
R1216
R1217
R1218
R1219
R1220
R1221
R1222
R1224
R1225
R1226
R1227
R1228
R1229
R
12
30
R1
231
R
1
23
2
R
12
3
3
R
1
234
R1
235
R
123
6
R1
237
R
1
238
R
123
9
R
1240
R
124
1
R1242
R
1243
R
12
44
X1101
C1315
C1365
C
1105
C1102
R1509
C1101
C1103
C1106
C1107
C1111
C1112
C1113
C1117
C1118
C1129
C1130
C1201
C1202
C
12
04
C12
05
C1209
C1213
C1505
C1506
C1508
C1513
C1515
FB1101
FB1102
FB1104
FB1105
FB1201
FB1
20
3
FB1204
FB1501
C1119
C1507
R1508
IC1201
C1208
C1207
C1206
C1210
TP
1202
C1203
R1210
C1219
FB1502
C1523
C1514
R1112
C1214
C1108
C1116
C1104
JR1116
R1105
R1107
R1365
R1113
C1120
R
1119
R
1118
R1117
C1124
C1512
C1511
R1315
R1516
R1517
R1518
R1519
R1520
C1552
C1502
C1516
C1517
C1518
C1519
C1520
C1521
R
1110
R
1101
R1205
R1209
J1101
R1120
J
R1200
C1230
C1211
C1212
C1231
FB1202
IC1104
R1122
D1001
IC1102
IC1501
C1509
D1502
D1501
C1522
R1521
IC
120
2
D1101
IC1503
X1201
18p
18p
1p
47p
100p
100p
100p
100p
13P
BTB
LC89056W-E
1M
10k
100
100
33k
100
100
1k
100
10k
75
100
100
1
0k
1
00
10
0
100
220
220
220
220
220
220
220
220
220
220
220
220
220
220
220
220
220
2
20
2
20
2
20
220
22
0
220
2
20
220
220
220
220
2
20
220
2
20
2
20
12.288MHz
100p
100p
47
16V
47
16V
1k
0.1
0.1
0.1
0.01
0.1
0.01
0.1
0.1
0.001
0.001
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
470 10V
0.1
0.1
470 10V
0UH
0UH
0U
H
0U
H
0UH
0U
H
0UH
0UH
22 6.3V
10
16V
47k
CXD9617R
0.1
0.1
0.1
0.1
0.1
10k
0.1
0
0.001
0.01
100
0.1
0.1
1000
6.3V
0.01
0
4.7k
5.6k
0
1k
0.1
22k
560k
1k
0.1
0.022
0.1
0
220
220
220
220
220
22
6.3V
22 6.3V
0.0033
0.0033
0.0033
0.0033
0.0033
0.0033
1
k
10k
100
100
100
0
0.1
470
10V
470
10V
0.1
0UH
TORX141L
1SS352-TPH3
TC7WU04F(TE12R)
AK4626VQ
0.1
1SS367-T3S0NY
1SS367-T3S0NY
0.0022
220
IS
61L
V
6416-10
T
L
T
1SS355TE-17
TA7805S
13.5MHz
10k
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