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121
STR-DA4300ES
– CIS Board –
IC802 TC7W53F (TE12R)
COMMON 1
INH 2
VEE 3
GND 4
CH 0
7
VCC
8
A
5
LOGIC
LEVEL
CONVERTER
C
OUT
IN
CH 1
6
C
OUT
IN
C1+
V+
VCC
1
2
16
GND
15
T1 OUT
14
R1 IN
13
R1 OUT
12
T1 IN
11
T2 IN
10
R2 OUT
9
C1
−
C2+
3
4
C2
−
V
−
5
6
T2 OUT
R2 IN
7
8
IC881 MAX232N
IC861 NJM2145M-TE2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
INH
INH
INPUT
CIRCUIT
OUTPUT
CIRCUIT
OUTPUT
CIRCUIT
OUTPUT
CIRCUIT
VCC
OUT1
IN4
IN3
IN2
OUT3-1
OUT3-2
OUT3-3
GND
INH1
INH2
IN1
NC
OUT2-1
OUT2-2
OUT2-3
– DISPLAY Board –
IC703 NJM2173AV (TE2)
1
OUT1
2
DC CUT1
3
IN1
4
MIC V+1
5
REG
6
NOISE
7
GND
14 OUT2
13 DC CUT2
12 IN2
11 MIC V+2
10 GV
9 STBY
8 V+
REG
GV
AMP1
AMP2