Samsung AM053FXMDCH - Page 81

78 Samsung Electronics
PCB Diagram
Main PBA: AM060MXMDCH (cont.)
①
CN101 - AC POWER
②
CN701 - HOT GAS V/V
③
CN702 - 4WAY V/V
#1: L
#3: N
#1: L
#3: HOT GAS V/V SIGNAL
#1: L
#3: 4WAY V/V SIGNAL
④
CN704 - EVI V/V
⑤
CN705 - EVI BYPASS V/V
⑥
CN403 -
TEMPERATURE SENSOR
#1: L
#3: EVI V/V SIGNAL
#1: L
#3: EVI BYPASS V/V SIGNAL
#1~8: DOWNLOAD SIGNAL
#12~16: DOWNLOAD SIGNAL
#18~20: DOWNLOAD SIGNAL
#9: GND
#10~11: DC 5V
⑦
CN306 - DOWNLOAD
⑧
CN802 - EEV1
⑨
CN001 - EEPROM
#1~8: DOWNLOAD SIGNAL
#12~16: DOWNLOAD SIGNAL
#18~20: DOWNLOAD SIGNAL
#9: GND
#10~11: DC 5V
#1~4: EEV CONTROL
#5,6: DC 12V
#1: GND
#2: N.C.
#3: DC 5V
#4~7: EEPROM SIGNAL
⑩
CN404 - EXTERNAL CTRL
⑪
CN404 -
TEMPERATURE SENSOR
⑫
CN12 - 12V OUTPUT
#1: GND
#2: EXTERNAL CTRL
#1: Suction temperature sensor
#2: D_tube temperature sensor
#5: EVI out temperature sensor
#7: EVI in temperature sensor
#2,4,6,8: GND
#1: DC 12V
#3: GND
⑬
CN805 - EEV4
⑭
CN801 -
ERROR & COMP CHECK
⑮
CN305 - MAIN׳INVERTER
COMMUNICAITON
#1~4: EEV SIGNAL
#5: DC 12V
#1,3: DC 12V
#2: ERROR CHECK SIGNAL
#4: COMP CHECK SIGNAL
#1,2,6: COMMUNICATION SIGNAL
#3: GND
#4: DC 5V
#2: DC 12V
⑯
CN501 - MODE SELECTION
⑰
CN401 -
LOW PRESSURE SENSOR
⑱
CN402 -
HIGH PRESSURE SENSOR
#1~3: MODE SELECTION SIGNAL #1: N.C.
#2: LOW PRESSURE SENSOR SIGNAL
#3: GND
#4: DC 5V
#1: HIGH PRESSURE SENSOR SIGNAL
#2: N.C.
#3: GND
#4: DC 5V
⑲
CN302 - COMMUNICATION TEST
⑳
CN303 - COM1
㉑
CN103 - EARTH
#1: DC 12V
#2: GND
#3: DC 5V
#4: COMMUNICATION TEST SIGNAL
#1: F1 :
INDOOR׳OUDDOR UNIT COMMUNICATION SIGNAL
#2: F2 :
INDOOR׳OUDDOR UNIT COMMUNICATION SIGNAL
#1: EARTH
㉒
CN304 -
DRED & UPPER CONTROL
#1 : DRM1
#2 : DRM2
#3 : DRM3
#4 : C
#5 : R1 :
UPPER CTRL COMMUNICAITON SIGNAL
#6 : R2 :
UPPER CTRL COMMUNICAITON SIGNAL