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KS-FX732R
QQ
3 7 63 1515 0
LA4743K(IC301):Power AMP
1.Block diagram
TE
L 13942296513
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1-26
http://www.xiaoyu163.com
11
1
12
Stand by
4
Switch
Ripple
10
Filter
15
25
13
14
x
ao
y
Muting &
.
i
ON Time Control
16
Circuit
http://www.xiaoyu163.com
8
6
20
-
+
Protective
circuit
-
+
Q Q
3
6 7
1 3
Mute
circuit
-
+
Protective
circuit
-
+
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.
2 9
9 4
2 8
9
7
8
5
3
1 5
0 5
8
2 9
9 4
2
22
17
19
18
21
m
23
co
24
9 9
2 8
9 9
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