Samsung AC036JB1DEC Service Manual page 85

Outdoor PCB (cont.)
■ Main PCB
- AC071JCADEC
①
CN206 - SUB DISPLAY
#1-7: SEGMENT SIGNAL
#8-10: KEY INPUT SIGNAL
⑤
CN301 - 485 COMM
#1 : F1
#2 : F2
⑨
CN030 - 4WAY VALVE(H/P)
#1: 4WAY CONTROL SIGNAL
#2: NOT USED
⑬
CN402 - COMP
#1: U
#2: V
#3: W
⑰
CN204 - DRED
#1-#3: DRED SIGNAL
#4 : GND
#5 : DC 5V
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② ③
CN207 - SUB DISPLAY
#1: KEY INPUT SIGNAL #1 : DC 12V
#2-5: GRID SIGNAL #2 : GND
#6-10: REPEATER SIGNAL #3 : DC 5V
#4-5: COMM SIGNAL
⑥ ⑦
CN251 - TEMP SENSOR
#1-4: EEV-A CONTROL SIGNAL
#1: OUT TEMP
#5 : DC12V
#3: DISCHARGE TEMP
#5: COND TEMP
#7: OLP TEMP
⑩ ⑪
CN151-INVERTER DC POWER
#1 : DC 15V
#1~20 : DOWNLOAD PORT
#2 : GND
#3 : ENABLE
⑭ ⑮
CN401 - REACTOR
#1 : REACTOR1 #1 : NEUTRAL
#2 : REACTOR2 #2 : LIVE
④
CN205 - SUB DISPLAY CN501 - EEPROM PORT
#1 : GND
#2 : NOT USED
#3 : DC5V
#4 : ENABLE
#5 : RX
#6 : TX
#7 : CLOCK
⑧
EEV-A - EEV VALVE CN901 - BLDC MOTOR
#1 : DC 310V
#2 : NOT USED
#3 : AGND
#4 : DC 15V
#5 : CONTROL SIGNAL
#6 : FEED BACK CONTROL
⑫
CN551 - MAIN DOWNLOAD CN152 -MAIN DC POWER
#1 : DC 12V
#2 : GND
#3 : DC 5V
⑯
CN150 -SMPS AC POWER CN551 - INVERTER DOWNLOAD
PCB Diagram and Parts List
5-9