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Samsung AM053FXMDCH - Page 82

Samsung AM053FXMDCH
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79 Samsung Electronics
PCB Diagram
1. Outdoor Unit PCB (cont.)
- Inverter PCB : 1Phase II: AM036/048/053FXMDCH
1 3 6 7 4 5 2 8
REACTORA1/B1
REACTORA2/B2
CN31-MAIN COMM
CN22DOWNLOADER
#1: L
#3: N
#Reactor-A2 : BLK
#Reactor-B2 : BLK
#1 : RXD#2 : TXD
#3 : GND, #4 : DC 5V
#5 : DC 12V, #6 : INV. SMPS signal
#1 : RXD_ATARO, #2 : TXD_ATARO
#3, #8 : N.C, #4~#7 : DATA signal
#9 : GND, #10 : DC 5V
CN21-DAC/ENCODER
CN91FAN2
CN90-FAN1
CN71-COMP.
For S/W engineer debugging #1 : DC 360V
#2 : N.C
#3 : GND
#4 : DC 15V
#5 : FAN RPM
#6 : FAN RPM feedback
#1 : DC 360V
#2 : N.C
#3 : GND
#4 : DC 15V
#5 : FAN RPM
#6 : FAN RPM feedback
#1 : COMP. U-phase(RED)
#2 : COMP. V-phase(BLU)
#3 : COMP. U-phase(YEL)

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