Samsung AVXCSH023/032/040CE Service Manual page 296

Wall-mounted type(Neo Forte without EEV)(cont.)
MAIN PCB(cont.)
CN73-Fan Motor
#1: Input Operating Capacitor Motor
#2,#4: Not Used
#3: Motor Control Signal
#5: N Phase Voltage
CN52- RPM Feedback
#1: DC5V
#2: GND
#3: Hall IC Input
CN33- Communication 2
(REMOCON)
#1: Comm. Signal F3
#2: Comm. Signal F4
CN10-Micom Download
Samsung Electronics
CN71-AC Power
#1: L Phase
#2: N Phase
CN41- Temp. Sensor
#1: Room Temp. Sensor
#2: GND
#3: EVA IN Temp. sensor
#4: GND
CN32- Wired Remocon Power
#1: 12V
#2: GND
CN62-EEV(Not used)
#1~4: EEV control Signal
#5: 12V
CN82- MPI(Not Used)
#1: MPI -
#2: MPI +
#3: 12V
#4: MPI feedback
CN42 - Temp. Sensor
#1: EVA Out Thermistor
#2: GND
CN61- Option Setup Sub Board
Connection
#1~10,#20: Option Switch Address
Signal
#11~14: GND
#15: External Control Signal
#16: Comp Check Signal
#17,#19: 12V
#18: Error Check Signal
CN93-Display
#1~4: Electrically Operated Valve
Signal
#5: 12V
PCB Diagram
CN60-Up/Down Louver
#1: DC12V
#2,#3,#4: Louver Control Signal
CN31- Indoor/Outdoor Unit
Communication
#1: Comm. Signal F1
#2: Comm. Signal F2
CN92-Display
#1: Display Control
#3: Operating switch
#4: 5V
#5: Remocon Receiver signal
#6: GND
16
CN63-Auto Grille
#1: 12V
#2~#5: Auto Grille Control
6-16