Samsung AM030RXMDEH/EU Service Manual page 51

System air conditioner
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∎ Inverter PCB : 1 Phase
2
1
Reactor-A1/B1
#Reactor-A2 : WHT
#Reactor-B2 : WHT
CN21-DAC/ENCODER
(For S/W engineer debugging)
3
4
6
7
Reactor-A2/B2
#Reactor-A2 : BLK
#Reactor-B2 : BLK
CN91-FAN2
#1 : DC 360V
#2 : N.C
#3 : GND
#4 : DC 15V
#5 : FAN RPM
#6 : FAN RPM feedback
5
8
CN31(2PIN/RED)-Communication
#1 : RXD, #2 : TXD
#3 : GND, #4 : DC 5V
#5 : DC 12V, #6 : INV. SMPS signal
CN90-FAN1
#1 : DC 360V
#2 : N.C
#3 : GND
#4 : DC 15V
#5 : FAN RPM
#6 : FAN RPM feedback
51
PCB Diagram
CN22-Down loader
#1 : RXD_ATARO, #2 : TXD_ATARO
#3, #8 : N.C, #4~#7 :DATA signal
#9 : GND, #10 : DC 5V
CN71-COMP.
#1 : COMP. U-phase(RED)
#2 :COMP. V-phase(BLU)
#3 :COMP. U-phase(YEL)

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