Samsung AC026RN1DKG Service Manual page 214

System air conditioner
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PCB Diagram and Parts List
CNP101-POWER
#1 : AC POWER(L)
#3 : AC POWER(N)
CN805-SPI
#1 : GND
#2 : GND
#4 : SPISIGNAL(DC12V)
CN401-ROOM
#1 : ROOM SENSOR
#2 : GND
5-6
CN303-COM1
#1 : COM2(F3)
#2 : COM2(F4)
CN802-STEP UP/DOWN
#1 : DC 12V
#2~5 : LOUVER SIGNAL
CN201-EEPROM
#1 : GND
#3 : DC 5V
#4 : EEPROM_SELECT
#5 : EEPROM_SO
#6 : EEPROM_SI
#7 : EEPROM_CLK
CN701-BLDC FAN
#1 : DC 310V
#2 : GND
#3 : DC15V
#4 : FAN RPM
#5 : RPM FEEDBACK
CN403-EVA IN/OUT/DIS
#1 : EVA IN SENSOR
#2 : GND
#3 : EVA OUT SENSOR
#4 : GND
#5 : DISCHARGE SENSOR
#6 : GND
CN302-DOWNLOAD
CN140-FUSE CHECK
#1 : THERMAL FUSE SIGNAL
#2 : GND
CN501-DISPLAY
#1 : LED_0
#2 : LED_1
#3 : LED_2
#4 : AUTO_SW
#5 : GND
#6 : DC5V
#7 : REMOCON SIGNAL NPUT
#8 : LED_SPI
CN301-to 2WIRE SUB
#1 : COM2_Tx
#2 : COM2_Rx
#3 : COM2_INVERSE
#4 : COM2_ENABLE
#5 : EXT_CTRL
#6 : COMP_OPER_CHECK
#7 : ERROR_CHECK
#8 : COM2_PS_OUT(DC5V)
#9 : GND
#10 : DC12V
#11 : COM2_PTCRL_MICOM
#12 : COM2_VCHECK_A
#13 : COM2_VCHECK_B
#14 : COM2_VCHECK_AD
Samsung Electronics

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