Sharp MD-X60H Service Manual page 85

IC951,952 VHiBA3835F/-1 (BA3835F):Speana,Band Pass Filter
BIASC
VREFC
RREF
N.C.
DIFOUT
N.C.
CIN
AIN
VCC
FL711 VVKCK1671M/-1
1
2
3
REFFERENCE CURRENT
4
105Hz
BPF
A-C
5
340Hz
BPF
6 1kHz
BPF
3.4kHz
BPF
C
7 DIF
10.5kHz
BPF
A
8
9
Figure 85-1 BLOCK DIAGRAM OF IC
Figure 85-2 LCD SEGMENT
BIAS
VREF
PEAK
HOLD
RES
PEAK
HOLD
RES
PEAK
MPX
HOLD
RES
PEAK
HOLD
RES
PEAK
HOLD
RES
DEC
– 85 –
MD-X60H
GND
18
AOUT
17
16 TEST
15 N.C.
SEL
14
N.C.
13
C
12
B
11
A
10