PCB Diagram and Parts List
438 Samsung Electronics
Duct type (Slim Duct 3) (cont.)
- MAIN PCB (AM090/112/128/140FNLDEH6 (cont.))
①
#1:POWER
#2:GND
②
#1:EVA-IN
#3:EVA-OUT
#5:DISCHARGE
#2,#4,#6:GND
③
#1:POWER
#2:GND
④
#1,#3:12V
#2:ERROR_CHK_OUT
#4:COMP_CHK_OUT
⑤
#1:N
#3:L
⑥
#1:L
#3:N
⑦
#1:GND
#2:EXT_CTRL
⑧
#1:FLOAT SW
#2:GND
⑨
ױ
For Developer only,Not available in
Actual Site
ױ
20 Pin Down Loader
⑩
#1:ROOM
#2:GND
⑪
#1:12V
#2~#6:DISPLAY LED CONTROL
#7:BZ_1
#8:REMOCON SIGNAL OUT
#9:AUTO_SW
#10:REMOCON_INT
#11:GND
#12:VCC
#13:BZ_2
⑫
#1:GND
#2:NO USED
#3:VCC
#4:EEPROM_SELECT
#5EEPROM_SO
#6:EEPROM_SI
#7:EEPROM CLK
⑬
#1~4:CONTROL SIGNAL
#5~6:12V
⑭
#1:GND
#2:GND
#3:CONTROL SIGNAL
#4:NOT USED
⑮
#1:12V
#2:COM2_PCTRL_MICOM
#3:COM2_VCHECK_A
#4:COM2_VCHECK_B
#5:COM2_MICOM_AD
#6:VCC
#7:COM2_ENABLE
#8:COM2_C
#9:COM2_D
#10:COM2_Tx
#11:COM2_Rx
#12:GND
⑯
#1:12V
#2:VENT_OUT
⑰
#1~2:COM1
#3:12V
#4:GND
#5~6:COM2
⑱
#1:DC310V
#2:NOT USED
#3:AGND
#4:DC15V
#5:PC04 OUTPUT
#6:RPM OUTPUT
CN103-DRAIN CN413-EVA DIS/OUT/IN
CN140-FUSE CHK CN81-COMP ERROR
CN702-HOTCOIL CN101-POWER
CN83-EXT T CN411-FLOAT SW
CN301-DOWNLOAD CN412-ROOM
CN501-DISPLAY CN201-EEPROM
CN808-EEV(DVM) CN801-SPI
CN311-2WIRE CN804-VENT
CN302-COM1 COM2 CN703-BLDC FAN
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