PCB Diagram and Parts List
Samsung Electronics 6-8
A
B
20321 5 6 7 819 18 17 16
15
14
13
12
11
10
9
6-1-4 Mini 4 way cassette type
The red number connecter is not used
①
②③
#1 Input Operating Capacitor Motor
#2, #4: Not Used
#3: Motor Control Signal
#5: N phase Voltage
④
#1: L phase
#2: N phase
⑤
#1~4: Electrically Operated Valve
Control
#5: DC12V
⑥⑦
#1, #6: DC12V
#2~5, #7~10: LOUVER control
⑧
#1,3: DC12V
#2: Error CHK Out
#4: Comp. CHK Out
⑨
#1: GND
#2: EXT_CTRL Output
⑩
#1: GND
#2: Float S/W
⑪
#1: Room Temp. Sensor
#2: GND
#3: EVA IN Temp. sensor
#4: GND
⑫
#1: EVA Out Thermistor
#2: GND
⑬
#1: GND
#2: Heater Discharge Output
⑭
#1: 5V input
#2: GND
#3: Hall IC output
⑮
#1: Comm. Signal F3
#2: Comm. Signal F4
⑯
#1: Comm. Signal F1
#2: Comm. Signal F2
⑰
#1: DC12V
#2: GND
⑱⑲
#1~5: LED Control
#6: AUTO_S/W
#7: REMOCON_SIGNAL
#8: GND
#9: VCC
⑳
#1 : DC12V
#2: FAN SSR OUT
CN62- Electrically Operated
Valve Control
CN76-SUB PCB Connection
CN60-Louver
CN81-External Control Out
CN75-Ventilator
CN74- Drain pump
CN73- Fan Motor
CN71-AC power
CN83- External Control OUT CN51-Float S/W
CN41- Temp. Sensor
CN42- Temp. Sensor
CN43- Heter Discharge Temp CN44- RPM Feedback
CN33-Wired Remocon Comm.
CN31- Indoor/outdoor Unit
Communication
CN32-Remocon DC12V CN10-Micom Download
CN91-Display
CN13-SSR Fan Control
4
$9;&6+B$BaLQGG
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