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IC BLOCK DIAGRAM
IC401 FB1056
9
24
12
42
MOD3
44
A IN
41
MOD2
40
MOD1
39
MOD0
38
RESETN
37
VSS2
36
XTL I
35
XTL O
34
VDD2
OSC2 O
28 DOWN
27 UP
30 CHECK
29 CANCEL
33 MUTE A
32 MUTE B
31 MUTE C
32 MUTE B
31 MUTE C
CLOCK
26 MIN
25 VDD1
23 OSC2 I
LPF 1N
10
LPF 1P
11
LPF 10
REF IN
LPF 2N
13
LPF 2P
14
LPF 20
7
BUF OUT
6
KEY
1
A OUT
2
A VSS
3
CV
4
AVDD
5
DA OUT
8
BUF IN
15
CP REF
16
CP IN
17
CP OUT
18
F IN
19
FX IN
20
VSS1
21
OSC1 I
22
OSC1 O
43
CHA
KEY SHIFT
CONTROL
ANALOG
MODE
OPERATION
AUTO
MODE
OPERATION
MICOM IF
MODE
OPERATION
SWITCH P
MODE
OPERATION
DATA
RAM
TIMING
GENERATOR
MUTE
4
ADC
1/2 DF
DAC
X2 DF
DSP
COMPARATOR
Sony Corporation
Personal A&V Products Company
97K0291-1
Printed in Japan © 1997.11
Published by Quality Assurance Dept.
9-923-124-91
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