Samsung AR18NSFPEWQNEU Service Manual page 48

Split-typeair conditioner
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8-5 Outdoor PCB INVERTER_18K
4
1
CNP001 : POWER N
OTOR
CN75 - SMPS IN
CNP051 : REACTOR
5
CNP552
9
8-5
6
7
8
5
2
CNP002 : POWER L
CNP401 : COMP
6
#1 :
W
p
a h
e s
#2 : V phase
#3 : U phase
CNP901 : BLDC FAN
10
#1 : DC310V
#3 : 15V
#4 : PGND
#5 : BLDC FAN POWER SAVE
#6 : BLDC FAN Feedback
9
10
CN75 - SMPS IN
CNP003 : POWER EARTH
3
CN203 : INV DOWNLOAD
7
Inv PBA S/W Download
11
CN351 : MAIN-INV COMM
#1 : INV_RXD-MAIN_TXD
#2 : INV_TXD-MAIN_RXD
#3 : 5V
#4 : SGND
#5 : 12V
#6 : Power save
#7 : 4WAY singal
3
CN75 - SMPS IN
CNP052 : REACTOR
4
CN75 - SMPS IN
CNP361 : ECO-COMM
8
CNP031 : 4-WAY
12
11
12
2
1

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