Sony TA-S7AV, Service Manual

Page: 13 / 28

TA-S7AV
13 13
5-4. SCHEMATIC DIAGRAM – FRONT AMP Section (2/2) –
The components identified by mark 0 or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
TP107
TP106
TP105
TP104
TP103
TP102
TP101
TP108
TP109
TP110
TP111
TP112
TP113
TP114
TP115
TP116
TP117
TP118
TP119
TP120
TP121
TP122
TP123
TP140
TP139
TP138
TP137
TP136
TP135
TP134
TP133
TP132
TP131
TP130
TP129
TP128
NO101
C987
EPT901
EPT902
TP127
TP126
TP125
TP124
R861
R814 R815
RY881
D802
R892 R891
C891
R835
C837
D831
R894
C892
R895
R896
Q895
Q896
R898
Q897
Q894
R897
C893
R968
R963 R964
C962 C961
R806
R807
D801
R808
R804
C807
C806
R809
C857
C856
R859
R858
R857
D851
R854
R856
R802 C802
C852 R852
C812
C853
C803
R851
C811
R801
NO102
JW881
C801
R803
C804
C854
R853
C851
Q961
R966
C963
R965
D963
R967
R973 R974
Q963
R971
R972
R969
C964
R970
R889
R953 R951
R954 R952
C951 C953
C954 C952
D911
D951
C911
C912
C955
C956
TM101
C809 C808
L861
L811
C858 C859
R811
D881
C862 C861
R887
R883
R885
Q881
R838
R837
R839
L833
JW26
JW27
C835 C833 C831
C836 C834 C832
C863
C865
C864
L831
L832
TM102
CN103
CN108
IC801
R881
R805
R855
R812
R862
R831
R833
R832 R834 R836
Q962
Q883
Q891 Q892
Q893
Q851
Q801
7P
0.1
47k 47k
1SS133T
-72
68k 56k
100
10V
4.7
50V
1SS133T-72
10k
2.2
50V
10k
33k
2SC2785
2SC2785
4.7k
2SC2785
2SC2785
22k
100
10V
1
100 100
100
100V
100
100V
1k
15k
1SS133T-72
100k
56k
0.068
0.068
10
1/2W
0.068
0.068
10
1/2W
100k
15k
1/4W
1SS133T-72
56k
1k
56k 220p
220p 56k
0.01
100p
100p
1k
0.01
1k
6P
4.7
50V
270
47
10V
47
10V
270
4.7
50V
2SC1841
33k
100
10V
15k
1SS133T-72
10k
2.2k 10k
2SC1841
2.2k
22k
22k
47
50V
100k
10k
100k 100k
100k 100k
3300
63V
3300
50V
3300
50V
3300
63V
D5SBA20
D5SBA20
0.1
100V
0.1
100V
0.1
0.1
4P
0.1 0.1
0.1 0.1
1SS133T-72
0.01 0.01
100k
47k
10k
2SA1175
47k
47k
47k
0.1 0.1 0.1
0.1 0.1 0.1
0.01
0.01
0.01
6P
13P
4P
STK402-120S
220
2W
0.22/0.22
5W
0.22/0.22
5W
10
1/2W
10
1/2W
10
1/2W
10
1/2W
10
1/2W
2SA988
2SC2785
2SC2785 2SC2785
2SA1175
2SC2785
2SC2785
1
2
3
4
6
7
8
9
10
11
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y1
Y2
Y3
Y4
Y5
Y8
Y9
Y10
Y11
Y9
Y10
Y11
X9
X12
T1
T2
T4
Y5
X11
X13
T3
*
*
*
*
*
OVERLOAD DETECT
+VL
GND
-VL
REAR L-OUT
REAR GND
REAR R-OUT
CENTER GND
CENTER OUT
SURROUND RY
DC DET
PROTECT
REAR L-IN
REAR GND
REAR R-IN
CENTER GND
CENTER IN
AC1
AC1
AC1-GND
VF
VF
VP
AC4(HIGH)
AC4(HIGH)
AC3(LOW)
AC3(LOW)
AC2
AC2
AC2-GND
L-GND
R-GND
L-CH
R-CH
REAR L-CH
REAR R-CH
CENTER
RR-GND
RL-GND
C-GND
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(2/2)
POWER AMP
AMP ON
SWITCH
Q894-897
PROTECTOR
PROTECT
DETECT
Q891,892
DC DETECT
DETECT
OVER LOAD
DETECT
OVER LOAD
Q962,963
AMP ON/OFF
CONTROL
(AEP,UK)
(AEP,UK)
(AEP,UK)
(AEP,UK)
R811,861 *
JW (KR,MX,AUS)
Q881,883
RELAY DRIVE
(AEP,UK)
(AEP,UK)
(AEP,UK)
(AEP,UK)
*
JW(KR,MX,AUS)
R831,833,835
(CHASSIS)
L
R
IMPEDANCE
USE 6-16 Ω
FRONT SPEAKER
L
R
IMPEDANCE
REAR SPEAKER
USE 8-16
Ω
IMPEDANCE
USE 8-16
Ω
CENTER SPEAKER
(CHASSIS)
10 1/2W
10 1/2W
(Page 12)
(Page 15)
(Page 15)
(Page 19)
(Page 19)
(Page 19)