Pcb Diagram - Samsung AVXCSH023/032/040CE Service Manual

6. PCB Diagram

6-1 Indoor Unit
6-1-1 Slim 1 way cassette type
■ MAIN PCB
CN74 Ventilator
CN44- RPM Feedback
#1: 5V input
#2: GND
#3: Hall IC output
CN60-Louver
#1: DC12V
#2~5: Louver control
CN41- Temp. sensor
#1: ROOM Temp. Sensor
#2: GND
#3: EVA IN Temp. sensor
#4: GND
6-1
CN74- Drain pump CN74- Drain Pump
CN32-Remocon DC12V
#1: DC12V
#2: GND
CN81-External Control Out
#1, #3: DC12V
#2: Error CHK Out
#4: Comp. CHK Out
CN51-FLOAT S/W
#1: GND
#2: Float S/W
CN73- Fan Motor
#1: Input Operating Capacitor Motor
#2, #4: No used
#3: Motor Control Signal
#5: N phase Boltage
CN10-Micom Download
CN31- Indoor/Outdoor Unit
Communication
#1: Comm. Signal F1
#2: Comm. Signal F2
CN83- External Control
#1: On/off Contact point input
#2: GND
CN71-AC Power
#1: L phase
#2: N phase
CN91-Display
#1~5: LED Control
#6: AUTO_S/W
#7: Remocon_Signal
#8: GND
#9: VCC
CN33- Wred Remote Controller
Communication
#1: Comm. Signal F3
#2: Comm. Signal F4
16
CN61, CN62-Slide Panel
#1,6: DC12V
#2~5: Motor Control
#7~10: Not used
Samsung Electronics