Samsung AR07CSDAFWKN Service Manual page 102

PCB Diagram
1. CN100 - AC POWER
#1 : L
#3 : N
5. CN413 - EVA IN/OUT/DIS
TEMP. SENSOR
#1 : EVI IN TEMP.
SENSOR
#3 : EVI OUT TEMP.
SENSOR
#5 : DISCHARGE TEMP.
SENSOR
#2,4,6 : GND
9. CN81 - ERROR/
COMP CHECK
#1 : DC 12V
#2 : ERROR CHECK
SIGNAL
#3 : DC 12V
#4 : COMP CHECK
SIGNAL
13. CN501 - DISPLAY
#1 : DC 12V
#3~10,13 : PANEL
SIGNAL
#11 : GND
#12 : DC 5V
17. CN311 - 2WIRE SUB
#1 : DC 12V
#2~5 : COMMUNICATION
SIGNAL
#6 : DC 5V
#7~12 : COMMUNICATION
SIGNAL
5-8
2. CN702 - HOT COIL or
BYPASS
#1 : N
#3 : HOT COIL or BYPASS
CONTROL SIGANL
6. CN103 - DRAIN PUMP
#1 : DRAIN PUMP
CONTROL SIGNAL
#2 : GND
10. CN412 - ROOM TEMP.
SENSOR
#1 : ROOM TEMP.
SENSOR
#2 : GND
14. CN201 - EEPROM
#1 : GND
#2 : NOT USED
#3 : DC 5V
#4~7 : EEPROM SIGNAL
18. CN804 - VENTILATOR
#1 : DC 12V
#2 : VENTILATOR
CONTROL SIGNAL
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3. CN703 - DAMPER
#1 : N
#3 : DAMPER CONTROL
SIGANL
7. CN301 - DOWNLOAD
#1~8 : DOWNLOAD
SIGNAL
#9 : GND
#10~11 : DC 5V
#12~16 : DOWNLOAD
SIGNAL
#17 : GND
#18~20 : DOWNLOAD
SIGNAL
11. CN83 - EXTERNAL
CONTROL
#1 : GND
#2 : EXTERNAL CONTROL
SIGNAL
15. CN808 - EEV(DVM)
#1~4 : EEV CONTROL
SIGNAL
#5~6 : DC 12V
19. CN302-COMMUNICATION
#1~2 : COM1
COMMUNICATION
SIGNAL
#3 : DC 12V
#4 : GND
#4~6 : COM2
COMMUNICATION
SIGNAL
4. CN140 - THERMAL FUSE
#1 : THERMAL FUSE
SIGNAL
#2 : GND
8. CN411 - FLOAT SWITCH
#1 : FLOAT SWITCH
SIGNAL
#2 : GND
12. SH101 - EARTH
#1 : EARTH
16. CN801 - SPI
#1~2 : GND
#3 : SPI CONTROL
SIGNAL
#4 : NOT USED
20. CN703 - BLDC MOTOR
#1 : DC 310V
#3~6 : FAN MOTOR
CONTROL SIGNAL
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