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– AUDIO Board –
IC602 µPC1330HA
COMPARATER
2
3
4
5
1
SW P1 CONT GND
SW R1 GND
– PANEL Board –
IC603 BA3830F
REFERENCE
R02
1
CURRENT
REFERENCE
R01
2
CURRENT
LINE NF
3
LINE IN
4
BAND
–
PASS
+
FILTER
TE
L 13942296513
REC NF
5
REC IN
6
–
+
RESET C
7
BIAS C
8
GND
9
IC711 M65850FP (HCD-GRX70J: Saudi Arabia)
14
13
12
11
OSCILLATOR
D/A
1/2 VCC
CLOCK
DO1
MO
AUTO
MAIN
RESET
RESET
CONTROL
MI
D1
DO0
A/D
LPF1
www
1
2
3
4
5
.
http://www.xiaoyu163.com
INVERTER
6
7
8
9
VCC
SW P2 GND
SW R2
RESET
RESET
18
17
F01
16
F02
15
F03
F04
14
13
F05
DET
12
F06
REC LEVEL
11
10
VCC
10
9
8
LPF2
20KBIT
SRAM
6
7
x
ao
y
i
http://www.xiaoyu163.com
8
IC604 NJU3716M-T2
24
23
22
21
20
19
CONTROL
CIRCUIT
SHIFT REGISTER
Q Q
3
6 7
1 3
LATCH CIRCUIT
OUTPUT CIRCUIT
6 7 8 9 10 11
1
2
3
4
5
u163
.
– 66 –
2 9
9 4
2 8
18 17 16 15 14 13
1 5
0 5
8
2 9
9 4
12
m
co
9 9
2 8
9 9
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