Sony HT-6600DP / STR-K850P Service Manual ▷ View online
9
9
STR-K850P
– DIGITAL/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
IC401
5
7
RELAY
DRIVE
Q560
RY560
L
R
SR
SL
C
R-CH
R-CH
R-CH
PHONES
TM601
TM602
AUDIO
OUT
J405
66
PROTECTOR
67
HEADPHONE RELAY
71
PREOUT/FRONT RELAY
69
REAR RELAY
70
CENTER RELAY
68
17
WOOFER RELAY
SPK B 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
D915
F901
D914
RELAY
DRIVE
Q901
D820-823
23
VCC5
84
VCC3
-5V
REG
3
2
+5V
REG
3
1
-7V
REG
3
2
+7V
REG
1
3
AUDIO
+7V
VIDEO
+5V
VIDEO
-5V
IC801
IC802
IC807
IC804
POWER RELAY
65
RELAY
+B
D902-905
82
83
X0
X1
X1601
16MHz
F1
F2
L
SL
SL
C
SW
A
MUTING
1
MUTING
1
POWER
MUTING
Q747,748
22
AC MUTING
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
S110-116
S100-104
FUNCTION
KEY
A/D1
39
FUNCTION
KEY
A/D2
40
S120-125
FUNCTION
KEY
A/D3
41
S130-135
B
RESET
SYSTEM CONTROL
IC1601(3/3)
• Signal Path
: FM
AF POWER
PROTECT
Q640
AF POWER
PROTECT
Q540
IC601
2
1
FRONT A
RELAY
DRIVE
Q851
RY851
L
R
R-CH
TM603
FRONT B
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
SUB
WOOFER
MASTER
VOLUME
VOLUME
8
RESET
+3.3V(STBY)
g
10
10
STR-K850P
•
: Uses unleaded solder.
3-3. Printed Wiring Board – DIGITAL Board (SIDE A) –
• See page 7 for Circuit Boards Location.
IC1601
IC1201
IC1202
IC1501
IC1101
IC1103
IC1102
IC1552
IC1604
IC1602
IC1502
11
1
23
12
22
44
34
33
5
4
E
E
R1120
R1122
R1123
1
8
16
9
R1623
R1666
R1701
R1702
Ref. No.
Location
D1101
C-2
D1601
D-5
IC1101
B-1
IC1102
B-1
IC1103
A-1
IC1201
C-3
IC1202
B-3
IC1501
C-2
IC1502
D-2
IC1552
D-2
IC1601
D-4
IC1602
D-5
IC1604
D-5
Q1601
D-4
Q1602
D-5
• Semiconductor
Location
11
11
STR-K850P
IC1503
IC1904
IC1901
IC1902
IC1105
IC1107
IC1106
IC1104
IC1903
TUNER
PACK
TO
MAIN
BOARD
CNP911
(Page 14)
TO
VIDEO
BOARD
CNS250
(Page 21)
TO
MAIN
BOARD
CNP501
(Page 14)
TO
STANDBY
BOARD
CNP912
(Page 18)
TO
MAIN
BOARD
CNP502
(Page 14)
TO
DISPLAY
BOARD
CNS100
(Page 19)
FOR
FLASH
PROGRAMING
OPTICAL
COAXIAL
FM 75
Ω
COAXIAL
AM
I
ANTENNA
3
1
7
1
1
1
1
3
3
1
3
5
4
3
1
3
1
3
1
3
1
14
C1120
1
3
C1122
1
3
C1123
C1127
C1126
R1652
C1609
C1608
R1653
JR1112
JR1113
VIDEO 2
IN
MD/TAPE
IN
CD/SACD
IN
MD/TAPE
OUT
3-4. Printed Wiring Board – DIGITAL Board (SIDE B) –
• See page 7 for Circuit Boards Location. •
: Uses unleaded solder.
Ref. No.
Location
D1001
C-5
D1501
C-5
D1502
C-5
IC1104
A-6
IC1105
A-6
IC1106
B-6
IC1107
B-6
IC1503
D-3
IC1901
B-1
IC1902
A-2
IC1903
B-1
IC1904
B-2
• Semiconductor
Location
12
12
STR-K850P
3-5. Schematic Diagram – DIGITAL Section (1/2) –
• See page 7 for Waveforms. • See page 23 for IC Block Diagrams.
TP12
02
TP1
203
TP
1204
TP1205
TP1206
TP1207
TP1208
TP1209
TP1210
TP1211
TP1212
TP1213
TP
121
4
TP
121
5
TP
1
216
TP
12
17
TP
1218
TP
1
219
TP1220
TP1221
TP1222
T
P120
1
TP1
C1102
C1109
C1110
C1114
C1115
C1119
C1131
C1211
C1212
C1216
C1
218
C1220
C1502
C1506
C1551
C1552
D1101
IC1101
R1100
R1102
R1104
R1106
R
1108
R1109
R1110
R
1111
R1112
R
1114
R1115
R1116
R1117
R1118
R1119
R1121
R1124
R1202
R1203
R1204
R1205
R
1
20
6
R
1207
R
1208
R1213
R1214
R1215
R
1
216
R1217
R1218
R1219
R1220
R1221
R1222
R1224
R1225
R1226
R1227
R1228
R1229
R123
0
R
12
31
R
1232
R
12
33
R
123
4
R
1
235
R
1236
R1
237
R
123
8
R
123
9
R1
24
0
R
124
1
R
1242
R
1243
R
1244
R
1502
R1503
R
15
04
R
1507
R1508
R1516
R
1517
R
1518
R
1519
R
1520
R
1521
R
1551
R
1554
R1555
R1556
R
1557
X1101
C1111
C
1205
C1
204
C1108
C1105
C
1113
R1101
R1113
C1116
C1107
C1101
C1104
R1107
R1105
C1106
C1103
C1112
C1511
C1512
R1103
R1212
C1207
C1206
C1230
C1231
C1208
C1202
C1201
C1203
X1201
C1210
C1209
C1219
R1210
C1510
C
1509
C1508
C1507
C1503
C1504
R1552
R1553
C1513
C1515
C1514
R1506
R1501
C1505
CNS1
C1214
C1124
C1501
JR1116
IC1105
FB1101
D1001
C1129
R
13
14
R1364
FB1102
FB
1104
FB
1105
FB1202
FB1201
IC1202
R1509
FB1501
FB1502
C1516
C1517
C1518
C
1519
C1520
C1521
IC1502
IC1552
IC1503
FB1204
FB1203
JR1121
C12
13
R1505
J1101
C
1117
D1502
D1501
IC1501
IC1102
IC1201
R
1209
IC1104
IC1107
IC1106
IC1103
R1122
R1120
C1127
C1126
C1121
C1120
C1122
C1123
R1123
C1118
C1130
47 16V
18p
18p
1p
47p
22 50V
100p
470 10V
470 10V
100p
10
0p
100p
22 50V
470 16V
0.0015
50V
22 50V
1SS352-TPH3
LC89056W-E
1M
10k
100
33k
100
100
1k
1k
100
100
10k
75
1k
560k
22k
100
100
100
10k
1k
100
1
00
1
00
100
220
220
220
220
220
220
220
220
220
220
220
220
220
220
220
220
220
22
0
2
20
220
22
0
22
0
22
0
2
20
220
220
2
20
220
220
220
220
10k
10k
330
4.7k
100k
220
220
220
220
220
220
330
330
5.6k
22k
4.7k
12.288MHz
0.1
0.1
0.1
0.1
47
16V
0.1
10k
1k
1000
6.3V
0.01
0.1
0.01
5.6k
4.7k
0.1
0.1
0.01
0.1
0.022
100
220
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
13.59MHz
0.1
0.1
0.1
10k
47 16V
0.1
0.1
10 50V
0.1
10 50V
10k
10k
0.1
470 10V
0.1
22k
330
0.1
13P
0.1
0.1
0.0015
50V
0
TORX141L
0
1SS352-TPH3
0.001
0
0
0
0
0
0
0
IS61LV6416-10TT
(ISSI)
1k
0
0
0.0033
0.0033
0.0033
0.0033
0.0033
0.0033
NJM4565M(TE2)
NJM4565M(TE2)
M5F7805L
0
0
0
0.1
5.6k
JACK PIN
0.1
1SS367 -T3SONY
1SS367 -T3SONY
AK4527B
TC7WU04F(TE12R)
CXD9617R
100
TORX141L
TOTX141L(RED)
TORX141L
TC74ACT153F(EL)
100
100
0.1
10
50V
0.1
0.1
0.1
0.1
100
0.001
0.1
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