Integra DTR-4.5 Service Manual page 25

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QQ
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SCHEMATIC DIAGRAM 10
I/O terminal sections
1
2
TE
L 13942296513
3
4
www
5
.
http://www.xiaoyu163.com
B
NADG-8368
R124
U113 1
IN
330
3
VCC
IN2
2
GND
TORX179L
R123
U112 1
IN
330
3
VCC
IN1
2
GND
TORX179L
U111 3
IN
2
VCC
OUT
1
GND
TOTX179L
4
IN2
2
IN1
C113
5
102k
5
9
4
8
RS-232C 3
7
2
6
1
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
VQ112
VOPT
C119
080D
R119
10K
R117
R114
L113 C117 10K R118
Q Q
022M C118 10K
104K
10 3 6 7 1 3 1 5
080D C120
080D
R113 C116
L112
022M
10 104K
330
11
12
R105
13
330
14
15
R104
VCHA C5-
16
_STBY C5+
1/50
17
VSS C1-
+
18
C4- VCC
+
19
GND C1+
C106
20
C4+ VDD
1/50
MPD4721GS
co
.
C
9 4 2 8
U4
L115
022M
L116
022M
L114
022M
0 5 8 2 9 9 4 2 8
TX
DGND
RX5
RX4
DGND
RX3
RX2
DGND
RX1
RX0
DGND
DSP5V
R103
330
10 232RZ/FRXD
9 232TX/FTXD
8 VCPU
R102
330
7
6
5
C105
1/50
4
+
3
2
L101
1/50
1
+
BLM21A102F
C104
m
DTR-4.5
D
9 9
9 9
12
11
10
9
8
7
6
5
4
3
2
1
P120A
P103B
4
3
2
1