Sharp CD-XP305V Service Manual page 55

Video cd mini system
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ICK1 VHiM65856SP-1: Mic Amp. (M65856SP)
42
41
40
39
PHASE
µ-COM I/F
SHIFTER
SURROUND
MCLK
1
2
3
4
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38
37
36
35
34
33
(L,R)/2
MIC SW
MIC
VOL
ALC
ALC
5
6
7
8
9
10
Figure 55 BLOCK DIAGRAM OF IC
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32
31
30
29
28
27
LPF
L
R STEREO
16kbit
ECHO
ECHO
SRAM
VOL
F.BVOL
MAIN LOGIC
MIC
VOL
LPF
11
12
13
14
15
16
CD-XP305V
26
25
24
23
22
VCC GND
D/A
1/ZVcc
ND
17
18
19
20
21

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