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PCB Diagram
Samsung Electronics8-3
■ NJ✳✳✳1HXCA
- MAIN PCB
4 3 2 1567891011121314
15
17 16
16
!
%
#1:5V input
#2:GND
#3:Hall IC output
(
#1:DC12V
#2~#5: Louver control
3
#1:ROOM Temp. Sensor
#2:GND
#3:EVA IN Temp. sensor
#4:GND
7
#1:EVA OUT Temp. Sensor
#2:GND
@
^
#1:DC12V
#2:GND
)
#1, #3:DC12V
#2:Error CHK Out
#4:Comp. CHK Out
4
#1:GND
#2:Float S/W
#
#1:Input Operating Capacitor Motor
#2, #4:Not used
#3:Motor Control Signal
#5:N phase Boltage
&
1
#1:Comm. Signal F1
#2:Comm. Signal F2
5
#1:On/off Contact point input
#2:GND
$
#1:L phase
#2:N phase
*
#1~#5:LED Control
#6:AUTO_S/W
#7:Remocon_Signal
#8:GND #9:VCC
2
#1:Comm. Signal F3
#2:Comm. Signal F4
6
#1,#6:DC12V
#2~#5:Motor Control
#7~#10:Not used
CN61, CN62-Slide Panel
CN33-Wred Remote Controller
Communication
CN91-Display
CN71-AC Power
CN83- External Control
CN31-Indoor/Outdoor Unit
Communication
CN10-Micom Download
CN73-Fan Motor
CN51-FLOAT S/W
CN81-External Control Out
CN32-Remocon DC12V
CN74-Drain Pump
CN42-Temp. sensor
CN41-Temp. sensor
CN60-Louver
CN44-RPM Feedback
CN75-Ventilator
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