Schematic Diagram - Surround Amp Section - Sony TA-S7AV Service Manual

5-7. SCHEMATIC DIAGRAM – SURROUND AMP Section –
POWER AMP
IC1001
STK443-050
C1001
10 R1001
50V 1k
A3
C1003
100p
C1002 R1002 R1003
220p 56k 680
C1004
47
10V
C1054
47
10V
C1052 R1052 R1053
220p 56k 680
C1051
10 R1051 C1053
50V 1k 100p
A2
C1081
10 R1081
50V 1k
A1
C1082 R1082
220p 56k
C1039 C1038
0.01 0.01
CLP1000
(CHASSIS)
R1004
56k
R1031
100
R1032
C1033 C1034 100
R1047
100 R1033 100
10k
50V 1 50V
R1054
56k
C1083
100p
R1084
56k
R1083
1.3k
C1084
47
10V
R1094
68k
THP092
R1005
0.22
2W
R1006
1k
R1009
10
1/2W
R1007
15k
C1006
0.068
D1001
1SS133T
C1007
Q1001 0.068
2SC2785
OVER RY1061
R1008 LOAD
100k
DETECT
D1051 R1058
C1057
1SS133T 100k
D1061
0.068
1SS133T
R1057
15k
C1056
0.068
Q1051
2SC2785 R1059
10
OVER
1/2W
LOAD
DETECT
R1055
R1056
0.22 2W
1k
R1086
R1085
1k RY1062
0.22 2W
R1089
10
1/2W
Q1081
R1087 C1086
2SC2785
15k 0.068
OVER
R1088 D1062
LOAD 100k 1SS133T
D1081 C1087
1SS133T DETECT 0.068
15 15
R1093
100k
Q1092,1093
THERMAL DETECT
Q1092
2SC2785
R1092
100k
Q1093
2SC2785
R1095
22k
R1090 68k
D1002
1SS133T
R1060 56k
R1010 47k
R1061 Q1061
220 2SA1175-HFE
2W
R1063
10k
A1
R1065
22k
Q1061,1063
RELAY DRIVE A2
A3
R1069
Q1063
BA1F4M
R1062
220
2W
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
TA-S7AV
CN1003
4P
+VL
GND
-VL
OVERLOAD DETTECT
(Page 13)
CN1002
13P
CENTER IN
CENTER GND
REAR R-IN
REAR GND
REAR L-IN
PROTECT
DC DET
SURROUND RY
REAR L-OUT
REAR GND
REAR R-OUT
(Page 13)
CENTER GND
CENTER OUT