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– AUDIO Board –
IC602 µPC1330HA
COMPARATER
2
3
4
1
SW R1 GND
SW P1 CONT GND
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– MAIN Board –
IC181 MC14052BF
2X0
1
2X2
2
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2XCOM
3
2X3
4
2X1
5
INH
6
VEE
7
VSS
8
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– PANEL FL Board –
IC603 BA3830F
REFERENCE
R02
1
CURRENT
REFERENCE
R01
2
CURRENT
LINE NF
3
4
LINE IN
–
+
REC NF
5
REC IN
6
–
+
RESET C
7
BIAS C
8
GND
9
52
INVERTER
5
6
7
8
9
VCC
SW P2 GND
SW R2
16
VDD
15
X2
14
X1
13
XCOM
12
X0
11
X3
10
A
9
B
RESET
18
RESET
F01
17
16
F02
BAND
15
F03
PASS
F04
14
FILTER
13
F05
DET
12
F06
REC LEVEL
11
10
VCC
IC191 BA7615N
MUTE
8db
75Ω
LOGIC
1
2
3
4
5
6
7
8
9
– MIC Board –
IC851 M65850P
14
13
12
11
OSCILLATOR
D/A
1/2 VCC
CLOCK
DO1
MO
AUTO
MAIN
RESET
RESET
CONTROL
MI
D1
DO0
A/D
LPF1
1
2
3
4
5
10
10
9
8
LPF2
20KBIT
SRAM
6
7
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