Samsung DVM S ECO BIG Series Service Manual page 108

PCB Diagram and Parts List
MAIN
(cont.)
No. Description
CN85-STATUS CHECK
1
1
2 ERROR CHECK
3
4 COMP CHECK
2 CN92-COMM TEST
1
2 RXD INVERTER
3 INV COMM
4 GND
3 CN42-HIGH PRESS SENSOR
1 HIGH PRESS SENSOR
2
3 GND
4
CN83-EVI-EEV
4
1 EEV SIGNAL 1
2 EEV SIGNAL 2
3 EEV SIGNAL 3
4 EEV SIGNAL 4
5
No. Description
CN12-TRANSMITTER DC POWER
7
12V
1
2 GND
CN81-EEV
8
1 EEV1 SIGNAL 1
2 EEV1 SIGNAL 2
3 EEV1 SIGNAL 3
4 EEV1 SIGNAL 4
5
6
CN45-LIQUID SENSOR
9
1 LIQUID SENSOR
2 GND
3 DISCHARGE SENSOR 2
4 GND
5
6
5-4
No.
CN86-EXT-CTL
5
12V
12V
VCC
-
5V
12V
No.
CN43-DIS, TOP, COND, AMBIENT
10
SENSOR
12V
12V
CN44-SUCTION, EVI-IN, OUT
12V 11
SENSOR
-
-
Description
1 EXTERNAL CONTROL
SIGNAL
2 GND
Description
1 DISCHARGE SENSOR
2 GND
3 TOP SENSOR
4 GND
5 COND OUT SENSOR
6 GND
7 AMBIENT SENSOR
8 GND
1 SUCTION SENSOR
2 GND
3 EVI IN SENSOR
4 GND
5 EVI OUT SENSOR
6 GND
No. Description
CN23-DOWNLOAD
6
1 RXD IN
2 TXD IN
3 nTRST
4 TDO
5 TCK
6 TDI
7 TMS
8 TRACE CLK
9 GND
10 VCC
11 VCC
12 MODE 0
13 RESET
14 TRACE 3
15 F SCLK
16 F SDAT
17 GND
18 TRACE 2
19 TRACE 1
20 TRACE 0
No. Description
CN41-LOW PRESSURE SENSOR
12
1 -
2 LOW PRESS SENSOR
3 GND
4 VCC
CN91 – INV COMM
13
1 12V
2 INV-SMPS
3 COMM-OUT
4 GND
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