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5-15 Interface Connector Schematic Circuit Diagram
VF
+VBATT
Interface Connector
VCC
(MQ/179A)
100
R477
10nF
C1006
VA060305A150R
VA1
1
1
2
2
C1007
D404
SM05
D402
SM12
10nF
3
5
4
6
100
R1003
D403
SMS05-4
2
1
5
4
6
R478 100
D306
SMS05-4
2
1
3
220
100
R479
R988
SMS05-4
D305
2
1
3
5
4
6
R481 10
R484 100
R483 100
100
R485
R482
R498
0
100
2
I2
I23
23
126
J401
26
24
25
I24
I25
27
I27
I28
28
I3
3
4
I4
I5
5
6
I6
I7
7
8
I8
I9
9
I1
1
10
I10
I1
1
11
12
I12
I13
13
14
I14
I15
15
16
I16
I17
17
18
I18
R1002
100
10
R480
MIC2N
+VBATT
RS232_CTS
SCL
SDA
RS232_TXD
DCVOLT
RS232_RXD
SPK2P
SPK2N
RS232_RTS
MIC2P
RI_LIGHT
+VBATT
VF
MAX4.2_BOOT
Samsung Electronics
5-15
05-Schematic Diagrams 7/21/99 11:31 AM Page 15