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Sharp SM-SX1 Service Manual page 26

1-bit amplifier
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SM-SX1/SX1W
A
P30 4 - F
CNP903
B
TO
MICROCOMPUTER
CNS903
PWB
P24 3 - H
CNS801
TO
C
MAIN PWB
D
E
F
CNS102
5
4
3
2
1
G
H
1
R848
Q802
R850
R851
Q801
R853
Q803
D802
D801
5
WH
5
WH
4
WH
3
R859
WH
2
C844
RD
1
1
R847
R841
L810
C838
16
15
L809
14
13
C837
12
11
10
9
8
7
6
5
4
3
2
TP25
1
C803
6
BI801
L801
5
R843
R844
C833
TP28
TP27
D800
1
2
R845
3
TP1
4
5
C815
6
7
R813
8
9
L811
10
11
12
13
R800
R801
L800
C831
R825
C827
22
21
23
20
C828
24
19
25
18
L803
26
17
C818
27
16
C820
28
C817
15
29
14
30
13
31
12
32
11
R815
33
10
34
9
R868
35
8
36
7
37
6
38
5
R806
39
4
40
3
1
C807
41
2
4
42
1
BI801
C812
R865
C805
TP8
R864
TP9
TP6
DIGITAL PWB-A2(TOP)
2
Figure 26 WIRING SIDE OF P.W.BOARD (3/8)
C830
C819
WH
12
WH
11
WH
10
WH
9
P30 4 - G
WH
8
WH
7
CNP904
WH
6
C808
WH
5
TO
WH
4
WH
MICROCOMPUTER
3
WH
2
PWB
RD
1
CNS904
1
1 2 3 4 5 6 7 8 9 10 11 12 13
3
4
– 26 –
A
B
D
C
SPEAKER RELAY
PWB-A3 (TOP)
TP121
TX101
TP153
7 6 5 4 3 2 1
C118
R119
R125
C116
C117
C119
L118
RX101
C114
L119
R123
R126
TP152
12
C132
C122
R117
J103
L120
R120
TP149
R121
C130,C131
SM-SX1 ONLY
C120
L123
TP126
1 8
2
12
C129
1
7
14
11
6
13
TP136
C131
3
10
15
5
SOC101
5
TP114
4
9
1BIT IN
TP134
4
TP130
3
TP135
TP143
2
Q101
L101
1
5
10
TP116
4
9
TP144
3
8
TP115
R102
L124
L102
2
7
1
6
C124
C101
Q103
C111
L125
5
10
L109
9
4
R105
3
8
L110
2
7
R114
1
6
R108
Q102
L126
C110
L105
TP138
TP139
5
10
9
4
C127
C104
3
8
R104
2
7
L106
L127
1
6
L114
L113
TP141
13
CK47
BI102
TP142
INPUT SOURCE
PWB-A4 (TOP)
CNS800
5
7 6 5 4 3 2 1 CNS103
BI201
L206
RLY201
R212
D203
R202
D202
R210
Q206
Q207
R211
D201
Q205
Q203
Q208
TP206
R206
C201
TP209
R208
Q204
R214
RLY202
TP208
TP207
TP210
TP203
TX101
(OPTICAL)
DIGITAL OUT
RX101
(OPTICAL)
DIGITAL 2 IN
J103
DIGITAL 1 IN
TO TERMINAL
PANEL
TO TERMINAL
PANEL
TO MAIN CHASSIS
R
L
SACD IN
J101
R
L
LINE2 IN
R
L
LINE1 IN
J102
R
L
LINE OUT
6

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