Samsung AM032MNQDCH/AA Service Manual page 355

Wall Mounted type(A3050, MAX) (cont.)
Main PBA
①
CNP101-POWER
#1 : L
#2 : NOT USED
#3 : N
CN805-SPI
⑤
#1~2 : GND
#3 : SPI CONTROL SIGNAL
#4 : NOT USED
⑨ CN403-EVA IN/OUT/DIS
#1 : EVA IN TEMPERATURE SENSOR
SIGNAL
#2 : GND
#3 : EVA OUT TEMPERATURE SENSOR
SIGNAL
#4 : GND
#5 : DISCHARGE TEMPERATURE SENSOR
SIGNAL
#6 : GND
CN301-to 2WIRE SUB
⑬
#1~2 : COMMUNICATION SIGNAL
#3~4 : SUB PBA SIGNAL
#5 : EXTERNAL CONTROL SIGNAL
#6 : COMP CHECK SIGNAL
#7 : ERROR CHECK SIGNAL
#8 : DC 5V
#9 : GND
#10 : DC 12V
#11~14 : COMMUNICATION SIGNAL
Samsung Electronics
②
CN303-COM1
#1~2 : COMMUNICATION SIGNAL
CN802-STEP UP/DOWN
⑥
#1 : DC 12V
#2~5 : LOUVER SIGNAL
⑩ CN501-DISPLAY
#1~3 : LED SIGNAL
#4 : REMOCON SIGNAL
#5 : GND
#6 : DC 5V
#7~8 : REMOCON SIGNAL
#9~11 : NOT USED
③
CN701-BLDC FAN
#1 : DC 310V
#2 : NOT USED
#3 : GND
#4 : PWM SIGNAL
#5 : FEEDBACK SIGNAL
CN801-EEV
⑦
#1~4 : EEV SIGNAL
#5~6 : DC 12V
⑪ CN201-EEPROM
#1 : GND
#2 : NOT USED
#3 : DC 5V
#4~7 : EEPROM SIGNAL
PCB Diagram and Parts List
④
CN140-FUSE CHECK
#1 : THERMAL FUSE SIGNAL
#2 : GND
CN401-ROOM
⑧
#1 : OOM TEMPERATURE SENSOR
SIGNAL
#2 : GND
⑫ CN302-DOWNLOAD
#1~8 : DOWNLOAD SIGNAL
#9 : GND
#10~11 : DC 5V
#12~16 : DOWNLOAD SIGNAL
#17 : GND
#18~20 : DOWNLOAD SIGNAL
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