Read Sony TA-S90D Service Manual online
TA-S90D
12
12
5-5.
SCHEMATIC DIAGRAM – FRONT AMP Section (2/2) –
R814
R815
R805
R807
D801
R808
D851
C962
R809
R854
R857
R858
R856
R859
R968
C821
C871
D871
R879
R827
R880
C872
R878
R877
Q897
Q894
R897
C893
R896
R898
Q896
Q895
R895
C892
R894
C891
RY881
D881
D802
R952
R954
C952
C954
D951
R951
R953
C953
C951
C911
C912
D911
R881
R889
R887
R883
R885
Q883
R812
R862
R811
R861
L833
R837
R838
R839
C837
R832
R834
R836
R833
R835
D831
TM102
R821
R871
R964
C801
C851
C804
C854
C803
C853
C811
R801
R851
R802
R852
R803
R853
EPT902
CN108
CN103
CN113
NO102
C987
EPT901
TM101
L811
L861
R831
R963
L832
L831
C961
Q881
R804
C812
R855
R806
C863
C864
C865
JW27
JW26
C831
C832
C834
C836
C835 C833
C861
C862
C858
C859
C808
C809
C955
C956
JW881
C852
C802
C806
C807
C857
C856
C964
Q801
Q851
Q891
Q892
Q893
R891
R892
R967
R972
R974
D963
R973
IC801
Q963
47k
1/4W
47k
1/4W
0.22/0.22
15k
1/4W
1SS133T-72
100k
1/4W
1SS133T-72
100
100V
10
1/2W
56k
1/4W
15k
1/4W
100k
1/4W
1k
1/4W
10
1/2W
1
1/4W
4.7
100V
4.7
100V
1SS133T-72
100k
1/4W
1/4W
22k
1/4W
1M
1/4W
0.47
50V
4.7k
1/4W
22k
1/4W
2SC2785
2SC2785
22k
1/4W
100
10V
10V
33k
1/4W
4.7k
1/4W
1/4W
2SC2785
2SC2785
10k
1/4W
2.2
50V
50V
10k
1/4W
100
10V
10V
1SS133T-72
1SS133T-72
100k
1/4W
1/4W
100k
1/4W
1/4W
3300
63V
3300
50V
D5SBA20
100k
1/4W
1/4W
100k
1/4W
1/4W
3300
50V
3300
63V
0.1
100V
0.1
100V
D5SBA20
220
2W
10k
1/4W
100k
1/4W
47k
1/4W
10k
1/4W
2SC1841TP-
PAFAEA
10
1/2W
10
1/2W
10
1/2W
10
1/2W
47k
1/4W
47k
1/4W
47k
1/4W
4.7
50V
50V
10
1/2W
10
1/2W
10
1/2W
10
1/2W
10
1/2W
1SS133T-72
6P
680
2W
680
2W
100
1/4W
4.7
50V
50V
4.7
50V
50V
47
10V
47
10V
100p
100p
0.01
1k
1/4W
1k
1/4W
56k
1/4W
56k
1/4W
270
1/4W
270
1/4W
4P
13P
5P
WIRE-MT
0.1
10
1/2W
100
1/4W
100
100V
2SA1175TP-
HFE
56k
1/4W
0.01
0.22/0.22
1k
1/4W
0.01
0.01
0.01
MT
MT
0.1
0.1
0.1
0.1
0.1
0.1
0.01
0.01
0.1
0.1
0.1
0.1
0.1
0.1
470p
470p
0.01
0.01
0.01
0.01
10
50V
2SC2785
2SC2785
2SC2785
2SC2785
2SA1175
33k
1/4W
39k
1/4W
1
1/4W
10k
1/4W
1k
1/4W
1SS133T
33k
1/4W
STK402-120S
2SC1841
SWITCH
HP GND
HP L
HP R
HP R
DBFB
PROT
FAN
FR
FRONT GND
FL
BUS
GND
PROTECT
FRONT-RY
STK-POWER
REAR-RY
DRIVE
RELAY
DRIVE
RELAY
DETECT
PROTECT
DETECT
OVER LOAD
DETECT
OVER LOAD
R
L
+
+
FRONT SPEAKER
R
L
–
–
–
–
–
+
+
+
REAR SPEAKER
CENTER SPEAKER
POWER AMP
IMPEDANCE
IMPEDANCE
IMPEDANCE
USE 8 – 16
Ω
USE 6 – 16
Ω
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