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Q Q
5-4.
SCHEMATIC DIAGRAM – FRONT AMP Section (2/2) –
3 7 6 3 1 5 1 5 0
(2/2)
1
POWER AMP
IC801
STK402-120S
2
C801
4.7
R801
50V
1k
T2
C803
100p
R803
270
C804
C802
R802
47
220p
56k
10V
3
C854
C812
C852
R852
47
0.01
220p
56k
10V
C811
0.01
R853
270
C851
4.7
R851
C853
50V
1k
100p
T1
T E
L
1 3 9 4 2 2 9 6 5 1 3
Q961
2SC1841
AMP ON
(Page 12)
SWITCH
R966
33k
C963
100
10V
R965
15k
D963
1SS133T-72
4
T3
Q897
2SC2785
w w w
6
7
X9
8
9
10
.
11
R968
1
R964
R963
100
100
C962
C961
100
100
100V
100V
R967
R805
10k
0.22/0.22
5W
R806
R804
R809
1k
56k
10
1/2W
R807
15k
C806
0.068
Q801
2SC2785
OVER LOAD
DETECT
C807
R808
0.068
100k
R858
C857
100k
0.068
C856
0.068
R857
15k
Q851
1/4W
2SC2785
R859
OVER LOAD
10
R854
1/2W
DETECT
56k
R856
1k
R855
0.22/0.22
5W
R898
4.7k
C892
R895
2.2
10k
50V
Q896
2SC2785
Q893
R894
2SA1175
10k
Q895
PROTECT
R891
R892
Q894-897
2SC2785
56k
68k
DETECT
PROTECTOR
R896
33k
Q892
Q891
2SC2785
2SC2785
Q894
2SC2785
C893
C891
Q891,892
R897
100
100
22k
10V
10V
DC DETECT
x
a o
y
i
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8
Y11
R971
2.2k
Q962
2SA988
R972
22k
Q962,963
AMP ON/OFF
CONTROL
R970
Q963
100k
2SC1841
C951
R973
R974
3300
2.2k
10k
JW881
C964
R969
47
22k
50V
C952
3300
X11
Y10
Q881
2SA1175
R885
10k
Q
Q
3
7
6
3
R883
Q881,883
47k
RELAY DRIVE
R889
10k
X12
Q883
2SC2785
R887
100k
Y5
Y2
R833 10 1/2W
L832
L831
R838
47k
Y3
R831 10 1/2W
L833
R837
47k
Y1
R835 10 1/2W
R839
R836
47k
10
1/2W
C835
D831
0.1
1SS133T-72
T4
C836
0.1
C837
4.7
50V
X13
D802
1SS133T
-72
u 1 6 3
.
13
13
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2
4
9
9
8
NO101
7P
Z1
TP107
VP
Z2
TP106
AC4(HIGH)
Z3
TP105
AC4(HIGH)
Z4
TP104
AC3(LOW)
Z5
TP103
AC3(LOW)
Z6
TP102
VF
Z7
TP101
VF
EPT901
C987
0.1
D911
D5SBA20
C911
NO102
0.1
6P
100V
TP108
AC1
C912
0.1
TP109
AC1-GND
100V
TP110
AC1
TP111
AC2
D951
TP112
AC2-GND
D5SBA20
C955
0.1
TP113
AC2
C956
C953
R953
R951
0.1
3300
100k
100k
63V
50V
C954
R954
R952
3300
C809 0.1
100k
100k
63V
50V
C808 0.1
TM101
4P
R812
10
TP114
R-CH
1/2W
L811
TP115
R-GND
RY881
R811 10 1/2W
TP116
L-CH
R861 10 1/2W
TP117
L-GND
R815
R814
L861
47k
47k
R881
220
2W
R862
10
1/2W
1
5
1
5
0
8
9
2
4
C858
0.1
D881
1SS133T-72
C859
0.1
C861
C862
0.01
0.01
TM102
6P
TP118
REAR R-CH
R834
TP119
RR-GND
10
1/2W
TP120
REAR L-CH
TP121
RL-GND
R832
10
1/2W
TP122
CENTER
TP123
C-GND
C831
C833
0.1
0.1
C832
C834
0.1
0.1
C863
0.01
JW26
C865
0.01
JW27
C864
0.01
CN103
13P
Y1
TP140
CENTER OUT
TP139
CENTER GND
Y2
TP138
REAR R-OUT
TP137
REAR GND
Y3
TP136
REAR L-OUT
TP135
SURROUND RY
Y4
TP134
DC DET
Y5
TP133
PROTECT
Y6
TP132
REAR L-IN
TP131
REAR GND
Y7
TP130
REAR R-IN
TP129
CENTER GND
Y8
TP128
CENTER IN
EPT902
CN108
4P
Y9
TP127
OVERLOAD DETECT
Y10
TP126
-VL
m
TP125
GND
Y11
TP124
+VL
c o
TA-SV7AV
2
9
9
(Page 19)
(Page 19)
(CHASSIS)
(Page 19)
R
FRONT SPEAKER
IMPEDANCE
USE 6-16Ω
L
9
8
2
9
9
(CHASSIS)
(CHASSIS)
R
REAR SPEAKER
IMPEDANCE
USE 8-16Ω
L
CENTER SPEAKER
IMPEDANCE
USE 8-16Ω
(CHASSIS)
(CHASSIS)
(CHASSIS)
(Page 15)
(CHASSIS)
(Page 15)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
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