6-5 Samsung Electronics
Outdoor Unit PCB (cont.)
■ Inverter PCB : 1Phase I
- RC090DHXEA/RC100SHXEA/RC100DHXEA/RC125DHXEB/RC140DHXEB
2
3 4
6
5 8
7
①
#Reactor-A2 : WHT
#Reactor-B2 : WHT
②
#Reactor-A2 : BLK
#Reactor-B2 : BLK
③
#1 : RXD, #2 : TXD
#3 : GND, #4 : DC 5V
#5 : DC 12V, #6 : INV. SMPS signal
④
#1 : RXD_ATARO, #2 : TXD_ATARO
#3, #8 : N.C, #4~#7 : DATA signal
#9 : GND, #10 : DC 5V
⑤
For S/W engineer debugging
⑥
#1 : DC 360V
#2 : N.C
#3 : GND
#4 : DC 15V
#5 : FAN RPM
#6 : FAN RPM feedback
⑦
#1 : DC 360V
#2 : N.C
#3 : GND
#4 : DC 15V
#5 : FAN RPM
#6 : FAN RPM feedback
⑧
#1 : COMP. U-phase(RED)
#2 : COMP. V-phase(BLU)
#3 : COMP. U-phase(YEL)
Reactor-A1/B1 Reactor-A2/B2
CN50(2PIN/RED)-Communication
CN22-Downloader
CN21-DAC/ENCODER
CN91-FAN2
CN90-FAN1
CN71-COMP.
1
PCB Diagram
NS090SDXEA_E_SM_33623A(1)_2.indd 5 2011-04-08 �� 11:04:46
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