Samsung AM072BXV Series Service Manual page 183

PBA Diagram and Parts List
5-1 Main PBA DC (cont.)
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①
#1 RXD
#2 TXD
#3 N-TRST
#4 TDO
#5 TCK
#6 TDI
#7 TMS
#8
#9 GND
#10 5V
⑤ 12V
#1 12V
#2 GND
HUMIDITY
⑨
#1 5V
#2 GND
#3 ROOM TEMP2
#4 HUMIDITY
BASE HEATER
⑬
#1 12V
#2
#3 BASE HEATER OUT
⑰
GAS LEAK OUTPUT
#1 12V
#2 PUMP DOWN START OUT
#3 12V
#4 PUMP DOWN END OUT
㉔ EVI EEV
#1 EEV3 A OUT
#2 EEV3 B OUT
#3 EEV3 A BAR OUT
#4 EEV3 B BAR OUT
#5 12V
㉔ AIR/COND-OUT/TOP1/DIS1
#1 COMP1 DISCHARGE
#2 GND
#3 COMP1 TOP
#4 GND
#5 COND OUT
#6 GND
#7 AIR
#8 GND
㉕ C-BOX COMM
#1 12V
#2 INVERTER SMPS OUT
#3 C-BOX COMM
#4 GND
Samsung Electronics
MOD SELEECTOR
②
#1 KEY_IN_3
#2 GRID_8
#3 KEY_IN_4
⑥ 5V
#1 5V
#2 GND
SNOW SENSOR
⑩
#1 12V
#2
#3 GND
#4 SNOW SENSOR
#5 PSD POWER
GAS AUTO CHARGE
⑭
#1 12V
#2 AUTO CHARGE VALVE OUT
#3 12V
#4 AUTO CHARGE LIQUID VALVE OUT
⑱
LOW PRESSURE
#1
#2 LOW PRESSURE SENSOR
#3 GND
#4 5V
㉔ HR EEV
#1 EEV4 A OUT
#2 EEV4 B OUT
#3 EEV4 A BAR OUT
#4 EEV4 B BAR OUT
#5 12V
㉔ COND-IN/SUCT2
#1 SUCTION2
#2 GND
#3 COND IN
#4 GN
#5 SUCTION3
#6 GND
EEPROM
③
#1 GND
#2
#3 5V
#4 EEPROM_SELECT
#5 EEPROM_SO
#6 EEPROM_SI
#7 EEPROM_CLOCK
⑦ F1/F2
#1 COM_B
#2 COM_A
COMP OIL2
⑪
#1 5V
#2 COMP2 OIL TO
#3 COMP2 OIL BOTTOM
#4 GND
#5 GND
GAS LEAK CONTROL
⑮
#1 GND
#2 5V
⑲
HIGH PRESSURE
#1
#2 HIGH PRESSURE SENSOR
#3 GND
#4 5V
㉔ EEV1
#1 EEV1 B BAR OUT
#2 EEV1 A BAR OUT
#3 EEV1 B OUT
#4 EEV1 A OUT
#5 12V
#6 12V
㉔ EVI-OUT/EVI-IN/SUCT1
#1 SUCTION1
#2 GND
#3 EVI IN
#4 GND
#5 EMI OUT
#6 GND
EXTERNAL-CONTROL
④
#1 GND
#2 5V
⑧ EXTERNAL-OUTPUT
#1 12V
#2 EEPROM CHECK OUT
#3 COMP CHECK OUT
COMP OIL2
⑫
#1 5V
#2 COMP1 OIL TO
#3 COMP1 OIL BOTTOM
#4 GND
#5 GND
⑯
DRED
#1 DRED1
#2 DRED2
#3 DRED3
#4 GND
#5 5V
⑳
MID PRESSURE
#1
#2 MID PRESSURE SENSOR
#3 GND
#4 5V
㉔ EEV2
#1 EEV2 B BAR OUT
#2 EEV2 A BAR OUT
#3 EEV2 B BOUT
#4 EEV2 A OUT
#5 12V
#6 12V
㉔ TOP2/DI2/LIQUID
#1 LIQUID
#2 GND
#3 COMP2 DISCHARGE
#4 GND
#5 COMP2 TOP
#6 GND
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