Inverter Pcb; This Document Can Not Be Used Without Samsung's Authorization - Samsung AC030JN4DCH Service Manual

5-2-2 INVERTER PCB

2 1
①
Reactor-A1/B1
#Reactor-A2 : WHT
#Reactor-B2 : WHT
⑤
CN21-DAC/ENCODER
For S/W engineer debugging
Samsung Electronics
3 4
6
②
Reactor-A2/B2
#Reactor-A2 : BLK
#Reactor-B2 : BLK
⑥
CN91-FAN2
#1 : DC 360V
#2 : N.C
#3 : GND
#4 : DC 15V
#5 : FAN RPM
#6 : FAN RPM feedback

This Document can not be used without Samsung's authorization.

5
7
③
CN50(2PIN/RED)-Communication
#1 : RXD, #2 : TXD
#3 : GND, #4 : DC 5V
#5 : DC 12V, #6 : INV. SMPS signal
⑦
CN90-FAN1
#1 : DC 360V
#2 : N.C
#3 : GND
#4 : DC 15V
#5 : FAN RPM
#6 : FAN RPM feedback
PCB Diagram and Parts List
8
④
CN22-Downloader
#1 : RXD_ATARO, #2 : TXD_ATARO
#3, #8 : N.C, #4 #7 : DATA signal
#9 : GND, #10 : DC 5V
⑧
CN71-COMP.
#1 : COMP. U-phase(RED)
#2 : COMP. V-phase(BLU)
#3 : COMP. U-phase(YEL)
5-5