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Sharp SM-SX1 Service Manual page 20

1-bit amplifier
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SM-SX1/SX1W
A
INPUT SOURCE PWB-A4
B
J101
chassis ground
LINE2/
SACD
TP1
L
1
SACD
2
(IN)
3
R
TP3
TP4
L
4
LINE1
5
(IN)
6
C
R
TP6
9 8 7
chassis ground
D
J102
LINE OUT/
LINE1
L
1
LINE2
2
(IN)
3
R
TP9
TP10
L
E
4
LINEOUT
5
6
R
TP12
9 8 7
J102
chassis ground
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
1
L101
L124
RLY101
5
8
C101
0.001
3
L102
1
TP2
TP5
L105
L125
RLY102
5
C102
8
0.001
3
L106
1
L109
RLY103
5
NC
8
L126
3
C103
0.001
TP7
1
L110
TP8
L113
TP11
L127
L114
2
Figure 20 SCHEMATIC DIAGRAM (7/10)
6
NC
7
9
R101
R116
4.7K
4
560K
2
R102
4.7K
10
Q101
2SC2412KR
R110
4.7K
R107
100K
6
NC
7
R103
4.7K
9
4
R104
2
4.7K
10
D102
DAN202K
R111
4.7K
R108
100K
6
NC
7
9
R105
4.7K
4
2
R106
4.7K
10
D103
DAN202K
R112
4.7K
R109
100K
13
12
BI102
TO
DIGITAL PWB
CNS800
13
12
3
4
– 20 –
RX101
TX101
DIGITAL2
DIGITAL
IN
OUT
J103
DIGITAL1
IN
3 2 1
3 2 1
1
2
C113
0.1
C116
0.1
IC101
NJM4558M
MOTOR DRIVER
4
3
+
1
-
2
5
+
7
-
6
8
R119
47K
C118
0.01
TP47
10
9
8
7
6
5
4
2
1
11
3
CNP102
9
8
7
6
5
4
3
2
1
11
10
CNP800
TO DIGITAL PWB
P17 12-G
5
C112
R126
ZD101
0.01
330
MTZJ5.1B
R117
L117
75
4
C122
0.022
3
C132
0.0015
chassis ground
L118
10µH
C114
L
1/50
R127
22
L119
R118
10µH
3.3K
SM-SX1
ONLY
C130
C117
0.0015
0.01
5 4 3 2 1
7 6 5 4
CNS102
TO DIGITAL PWB
P17 12-D
6

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