JVC KS-FX490 Service Manual page 28

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4.8
LA47505 (IC301) : Power amp.
• Block diagram
1-28 (No.49845)
11
1
12
Stand by
4
Switch
Ripple
10
Filter
15
25
13
14
Muting &
On Time Control
16
Circuit
6
20
Protective
circuit
Mute
circuit
protective
circuit
9
7
8
5
3
2
22
17
19
18
21
23
24

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