PCB Diagram and Parts List
Samsung Electronics
621
①
#1: AC POWER(L)
#2: AC POWER(N)
②
#1: GND
③
#3 : SSR MOTOR POWER(L)
#5 : POWER(N)
④
#1: FUSE CHECK SIGNAL
#2: GND
⑤
#1: DRAIN PUMP CONTROL
SIGNAL
#2: GND
⑥
#1: DC12V
#2: VENT CONTROL SIGNAL
⑦
#1: COM1(F1)
#2: COM1(F2)
#3: V1(DC12V)
#4: V2(GND)
#5: COM2(F3)
#6: COM2(F4)
⑧
#1: DC12V
#2: MDS COMMUNICAITON(TXD)
#3: MDS PANEL
COMMUNICAITON(RXD)
#4: GND
⑨
#1: FLOAT SWITCH SIGNAL INPUT
#2: GND
⑩
#1: GND
#3: DC5V
#4: EEPROM_SELECT
#5: EEPROM_SO
#6: EEPROM_SI
#7: EEPROM_CLK
⑪
#1: GND
#2: GND
#3: SPI CONTROL SIGNAL
⑫
⑬
#1: GND
#2: EXTERNAL CONTROL SIGNAL
⑭
⑮
#1 : EVA-IN TEMPERATURE
SNESOR
#2 : GND
#3 : EVA-OUT TEMPERATURE
SNESOR
#4 : GND
#5 : DISCHARGE TEMPERATURE
SNESOR
#6 : GND
⑯
#1~#4: EEV CONTORL SIGNAL
#5 : DC12V
#6 : DC12V
⑰
#1 : ROOM TEMPERATURE
SENSOR
#2 : GND
⑱
#1: DC12V
#2: ERROR CHECK(GND)
#3: DC12V
#4: COMP/OPER. CHECK(GND)
⑲
#1: DC12V
#2: LED_0
#3: LED_1
#4: LED_2
#5: LED_3
#6: LED_4
#7: LED_5
#8: REMOCON OUTUPUT SIGNAL
#9 : AUTO SWITCH
#10: REMOCON INPUT SIGNAL
#11: GND
#12: DC5V
#13: GND
⑳
#1 : DC5V
#2 : GND
#3 : MOTOR FEEDBACK SIGNAL
㉑
#1 : DC12V
#2~#5: LOUVER CONTROL SIGNAL
#6 : DC12V
#7~#10: LOUVER CONTROL
SIGNAL
CN100-AC POWER
CN101-GND
CN701-FAN MOTOR
CN140-FUSE CHECK
CN103-DRAIN PUMP
CN804-VENTILATOR
CN31-COMMUNICATION
CN401-MOTION DETECTING
SENSOR COMMUNICATION
CN411-FLOAT SWITCH
CN201-EEPROM
CN801-SPI
CN301-DOWNLOAD
CN412-THERMISTOR
CN81-ERROR/COMP CHECK
CN501-DISPLAY
CN702-HALL IC
CN82-LOUVER
CN83-EXTERNAL CONTROL
CN311-2WIRE SUB PBA
CN411-FLOAT SWITCH
CN808-EEV
4Way Cassette(600x600) (Cont.)
- MAIN PBA(AM***HNNDEH/TL) (Cont.)