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TA-F501ES
QQ
3 7 63 1515 0
DC CUT1
MIC V+1
TE
L 13942296513
VRGND
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40
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– MIC Board –
IC1004 NJM2173AV (TE2)
OUT1
1
14 OUT2
AMP1
AMP2
2
13 DC CUT2
IN1
3
12 IN2
4
11 MIC V+2
REG
5
GV
10 GV
NOISE
6
REG
GND
7
– PANEL Board –
IC1203
CXD9725M-HFL
NC
1
TRIM VOLUME
VSS
2
0-+24dB/
1dB STEP
TRIM
3
5 to 25 DECODER
&
LATCH CIRCUIT
TRIM
4
TRIM
5
OUT
6
MAIN
VOLUME
0- –95dB/
0.5dB STEP
7
4 to 13 DECODER
&
LATCH CIRCUIT
NC
8
4 to 16 DECODER
&
VRIN
9
LATCH CIRCUIT
NC
10
CS1
11
GND
12
CLK
13
NC
14
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8
9 STBY
8 V+
TRIM VOLUME
Q Q
0-+24dB/
3
6 7
1 3
1dB STEP
5 to 25 DECODER
&
LATCH CIRCUIT
MAIN
VOLUME
0- –95dB/
0.5dB STEP
4 to 13 DECODER
&
LATCH CIRCUIT
4 to 16 DECODER
&
LATCH CIRCUIT
24 BIT
SHIFT REGISTER
CIRCUIT
LEVEL SHIFT
CIRCUIT
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2 9
9 4
2 8
28 NC
26 VDD
1 5
0 5
8
2 9
9 4
26 TRIM
25 TRIM
24 TRIM
23 OUT
22 VRGND
21 NC
20 VRIN
19 NC
18 CS2
17 LAT
16 DATA
15 NC
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9 9
2 8
9 9
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