Samsung AM056FN2DEH Series Service Manual page 574

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PCB Diagram and Parts List
Hydro unit HT(Cont.)
- MAIN PBA (AM***TNBFSS) (cont.)
CN847 – AC LOAD 3
#1 : LOAD SIGNAL
#2 : N
CN842 – HOTGAS
#1 : HOTGAS VALVE SIGNAL
#2 : N.C
#3 : N
CN801 – ERROR/COMP CHECK
#1 : DC12V
#2 : ERROR CHECK
#3 : DC12V
#4 : COMP CHECK
CN403 – TEMP SENSOR
#1 : OUT TEMP SENSOR
#2 : GND
#3 : COND SENSOR
#4 : GND
#5 : DISCHARGE SENSOR
#6 : GND
#7 : TOP OLP SENSOR
#8 : GND
CN803 – EEV
#1 : EEV SIGNAL
#2 : EEV SIGNAL
#3 : EEV SIGNAL
#4 : EEV SIGNAL
#5 : DC12V
#6 : DC12V
CN402 – LOW PRESSURE SENSOR
#1 : N.C
#2 : SENSOR SIGNAL
#3 : GND
#4 : DC5V
CN843 – MODE SELECTOR
#1~#3 : MODE SELECTOR
574
CN846 – AC LOAD 2
#1 : LOAD SIGNAL
#2 : N.C
#3 : N
CN101 – AC POWER
#1 : L
#2 : N.C
#3 : N
CN2 – GAS LEAK
#1 : GND
#2 : GAS LEAK SIGNAL
CN001 – TEMP SENSOR
#1 : TH3 SENSOR
#2 : GND
CN12 – DC12V
#1 : DC12V
#2 : GND
CN802 – EXTERNAL CONTROL
#1 : GND
#2 : EXTERNAL CONTROL
CN304 – DRED
#1~#3 : DRM1~3
#4 : GND
#5 : R1
#6 : R2
CN845 - AC LOAD 1
#1 : LOAD SIGNAL
#2 : N.C
#3 : N
CN406 – TEMP SENSOR
#1 : SUCTION SENSOR
#2 : GND
#3 : D_TUBE SENSOR
#4 : GND
CN200 – DOWNLOAD
#1~#20 : DOWNLOAD
CN804 – EEV
#1 : EEV SIGNAL
#2 : EEV SIGNAL
#3 : EEV SIGNAL
#4 : EEV SIGNAL
#5 : DC12V
CN305 – MAIN-INV COMM
#1 : TXD INVERTER
#2 : RXD INVERTER
#3 : GND
#4 : DC5V
#5 : DC12V
#6 : INVERTER INRUSH SIGNAL
CN303 – COM1 COMM
#1~#2 : COM1 COMM
CN844 – 4 WAY VALVE
#1 : VALVE SIGNAL
#2 : N.C
#3 : N
CN404 – TEMP SENSOR
#1 : SUCTION SENSOR
#2 : GND
#3 : D_TUBE SENSOR
#4 : GND
#5 : TH1 SENSOR
#6 : GND
#7 : TH2 SENSOR
#8 : GND
CN1 – PUMP DOWN
#1 : DC12V
#2 : PUMP DOWN START SIGNAL
#3 : DC12V
#4 : PUMP DOWN END SIGNAL
CN201 – EEPROM
#1~#7 : EEPROM
CN402 – HIGH PRESSURE SENSOR
#1 : SENSOR SIGNAL
#2 : N.C
#3 : GND
#4 : DC5V
CN300 – EARTH
#1 : EARTH
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