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Samsung AM040FXMDEH - PCB Diagram: Inverter PCB (3 Phase)

Samsung AM040FXMDEH
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61 Samsung Electronics
PCB Diagram
Outdoor Unit PCB (cont.)
- Inverter PCB : 3Phase
2
6
7
3
4
5
9
8
1
RST-AC POWER 3phase
CN100-AC POWER
CN31-MAIN COMM
CN22-Downloader
#R : AC 380~400V : WHT
#S : AC 380~400V : BRN
#T : AC 380~400V : BLK
#1-#3 : AC 220~240V #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
CN91-FAN2
CN90-FAN1
CN800-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)
CN600-REACTOR
#1-#2 : DCL Reactor

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