Samsung AR07TSFABWKN Service Manual page 108

PCB Diagram
■ AJ020BXS3CH, AJ***BX*4CH, AJ***BX*5CH (INVERTER PBA)
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1
1. L, N - AC POWER INPUT
#1 : L - LIVE POWER INPUT /
BRN
#2 : N - NEUTRAL POWER
INPUT / SKY
5. CN351 - MAIN ↔ INV
COMMUNICATION
#1 : RXD
#2 : TXD
#3 : GND
#4 : DC 5V
#5 : DC 12V
#6 : INV POWER CTRL
5-16
2 3 4
2. REACTOR-A1/B1
#REACTOR-A1 : WHT
#REACTOR-B1 : WHT
6. CN401,402,403 –
COMPRESSOR
#CN401 : COMP. U-phase(RED)
#CN402 : COMP. V-phase(BLU)
#CN403 : COMP. W-phase(YEL)
5 6 7
3. REACTOR-A2/B2
#REACTOR-A2 : BLK
#REACTOR-B2 : BLK
7. CN901 - FAN MOTOR 1
#1 : DC310V
#2 : N.C
#3 : GND
#4 : DC 15V
#5 : FAN RPM
#6 : FAN RPM FEEDBACK
8
4. CN551 - DOWNLOAD
#1~20 : DOWNLOAD SIGNAL
8. CN911 - FAN MOTOR 2
#1 : DC310V
#2 : N.C
#3 : GND
#4 : DC 15V
#5 : FAN RPM
#6 : FAN RPM FEEDBACK
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