Samsung AM045NN4DEH Series Service Manual page 149

Wind-free 4way cassette type (Cont.)
Main PBA (AM045/056/071/090/112/128/140NN4DEH**)
-
(AM009/012/018/024/036/048NN4DCH/**)
(AM005/007/009/012/018/020NNNDCH/**)
①
TB101-AC POWER
#1: AC POWER(L)
#2: AC POWER(N)
⑤
CN412-THERMISTOR
#1 : ROOM TEMPERATURE SENSOR
#2 : GND
⑨
CN81- ERROR/COMP CHECK
#1: DC12V
#2: ERROR CHECK(GND)
#3: DC12V
#4: COMP/OPER. CHECK(GND)
⑬
CN702-HALL IC
#1 : DC5V
#2 : GND
#3 : MOTOR FEEDBACK SIGNAL
⑰ CN201-EEPROM
#1: GND
#3: DC5V
#4: EEPROM_SELECT
#5: EEPROM_SO
#6: EEPROM_SI
#7: EEPROM_CLK
㉑
CN804-VENTILATOR
#1: DC12V
#2: VENT CONTROL SIGNAL
㉕
TE04-COMMUNICATION
#1: COM1(F1)
#2: COM1(F2)
#3: V1(DC12V)
#4: V2(GND)
#5: COM2(F3)
#6: COM2(F4)
Samsung Electronics
②
CN101-GND
#1: GND
⑥
CN501- 디스플레이부
#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
⑩
CN807-LOUVER L/R
#1 : DC12V
#2~#5: LOUVER CHECK
⑭
CN83- EXTERNAL CONTROL
#1: GND
#2: EXTERNAL CONTROL SIGNAL
⑱ CN805-LOUVER1/2
#1 : DC12V
#2~#5: LOUVER CHECK
㉒
CN311-2 선리모컨
③
CN701-BLDC MOTOR
#1: POWER(N)
#3 : SSR MOTOR POWER(L)
#5 : POWER(N)
⑦
CN801-SPI
#1: GND
#2: GND
#3: SPI CONTROL SIGNAL
⑪
CN301- DOWNLOAD
⑮
CN806-LOUVER3/4
#1 : DC12V
#2~#5: LOUVER CHECK
⑲ CN411-FLOAT SWITCH
#1: F/S SIGNAL
#2: GND
㉓
CN808-EEV
#1~#4: EEV CHECK
#5 : DC12V
#6 : DC12V
PCB Diagram and Parts List
④
CN140-FUSE CHECK
#1: FUSE CHECK SIGNAL
#2: GND
⑧
CN414-HUMIDITY SENSOR
#1 : DC5V
#2 : GND
#3 : TEMPERATURE SENSOR
#4 : HUMIDITY SENSOR
⑫
CN807-LOUVER5
#1 : DC12V
#2~#5: LOUVER CHECK
#6 : DC12V
#7~#10: LOUVER CHECK
⑯
CN413:THERMISTOR
#1 : EVA-IN TEMPERATURE SNESOR
#2 : GND
#3 : EVA-OUT TEMPERATURE SNESOR
#4 : GND
#5 : DISCHARGE TEMPERATURE
SNESOR
#6 : GND
⑳ CN103-DRAIN PUMP
#1: D/ P POWER(DC12V)
#2: GND
㉔
CN401- CLEAN PANEL
COMMUNICATION
#1: DC12V
#2: CLEAN PANEL
COMMUNICAITON(TXD)
#3: CLEAN PANEL
COMMUNICAITON(RXD)
#4: GND
149