Samsung AVXCSH023/032/040CE Service Manual page 292

System air conditioner indoor unit outdoor unit
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Duct type(BIG) (cont.)
■ MAIN PCB(cont.)
CN51-Floating Switch
#1 : GND
#2 : Floating Switch Signal
CN32-Wired Remocon Power
#1 : DC12V
#2 : GND
CN10-Micom Downlaod
CN11-Trans Out
#1,#3 : Trans Output
CN13-BLDC PCB Connector
#1 : DC12V
#3 : Fan Control Signal
Samsung Electronics
CN41-Room/Eva In Temp. Sensor
#1 : Room Temp. Sensor
#2 : GND
#3 : EVA In Temp. Sensor
#4 : GND
CN83-External Control
#1 : GND
#2 : External Control Signal Input
CN44-Motor Feedback
#1 : DC5V
#2 : GND
#3 : Feedback Signal
# : Inrush
CN71-AC Power
#1 : AC Power L
#2 : AC Power N
CN74-Drain Pump
#1 : N phase
#2 : Drain Pump Signal
CN42-Eva Out Temp. Sensor
#1 : EVA OUT Temp. Sensor
#2 : GND
CN62-EEV
#1~#4 : EEV Control Signal
#5~#6 : DC 12V
CN31- Communication(Outdoor)
#1 : Comm. Signal F1
#2 : Comm. Signal F2
CN72-Trans In
#1 : AC Power L
#2 : AC Power N
CN75-Ventilator
#1 : N Phase
#2 : Ventilator Signal
PCB Diagram
CN43-Discharge Temp. Sensor
#1 : Discharge Temp. Sensor
#2 : GND
CN91-Display
#1,#2 : Buzzer Control
#3~#7 : Display Control
#8 : Operating Switch
#9 : Remocon Receiving Signal
#10 : GND
#11 : DC5V
CN32-Communicatio(Remocon)
#1 : Comm. Signal F3
#2 : Comm. Signal F4
CN81-External CHECK
#1 : DC12V
#2 : Error Check Signal
#3 : DC12V
#4 : Comp Check Signal
6-12

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