Samsung AR09/12JSPFBWKN Service Manual page 111

Multi air conditioner
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AJ052/068MCJ3EH/EU, AJ070/080MCJ4EH/EU MAIN PCB
CN001 - SKY BLUE
1
#1 : 220~240 VAC
CN030 - 4WAY
5
#1 : AC SIGNAL
#3 : AC SIGNAL
9
CN203 - TB FUSE
#1 : SIGNAL
#2 : GND
-
CN135 DC POWER
13
#1 : 15V
#2 : GND
#3 : SIGNAL
Samsung Electronics
CN003 - EARTH
2
#1 : EARTH
CN251 - SENSOR
6
#1~#2 : OUTDOOR TEMP
#3~#4 : COND TEMP
#5~#6 : DISCHARGE TEMP
#7~#8 : OLP TEMP
10
CN401/402/403 - COMP
#CN401 : U PHASE (RED)
#CN402 : V PHASE (BLU)
#CN403 : W PHASE (YEL)
CN901 - BLDC FAN
14
#1 : DC310
#2 : NC
#3 : GND
#4 : DC15V
#5,#6 : SIGNAL
CN002 - BRN
3
#1 : 220~240 VAC
SN200 - RAC DETECT
7
#1 : 5V
#2 : SIGNAL
#3 : GND
11
CN701 - EEV A
#1-#4 : SIGNAL
#5 : 12V
CN551 - INV DOWNLOAD
15
#1-#9 : DOWNLOAD SIGNAL
#14 : DOWNLOAD SIGNAL
#18-#20 : DOWNLOAD SIGNAL
#10 : VCC
#17 l GND
CN051/052 - REACTOR
4
#CN051 : AC SIGNAL
#CN052 : AC SIGNAL
CN204 - DRED
8
#1-#3 : SIGNAL
#4 : GND
#5 : 5V
12
CN152 - DC POWER
#1 : 12V
#2 : GND
#3 : 5V
5-11

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