Samsung MH026FNCA Service Manual page 87

PCB Diagram
NJ 1HXCA
- MAIN PCB
17 14 13 12 11 16 10
15 16
! CN75-Ventilator @
% ^
CN44-RPM Feedback
#1:5V input #1:DC12V
#2:GND #2:GND
#3:Hall IC output
( CN60-Louver )
#1:DC12V #1, #3:DC12V
#2~#5: Louver control #2:Error CHK Out
#4:Comp. CHK Out
3 4
CN41-Temp. sensor
#1:ROOM Temp. Sensor #1:GND
#2:GND #2:Float S/W
#3:EVA IN Temp. sensor
#4:GND
7 CN42-Temp. sensor
#1:EVA OUT Temp. Sensor
#2:GND
8-3
9 8 7 6 5
CN74-Drain Pump #
#1:Input Operating Capacitor Motor
#2, #4:Not used
#3:Motor Control Signal
#5:N phase Boltage
&
CN32-Remocon DC12V
CN81-External Control Out
1
#1:Comm. Signal F1
#2:Comm. Signal F2
CN51-FLOAT S/W 5
#1:On/off Contact point input
#2:GND
CN73-Fan Motor $ CN71-AC Power
#1:L phase
#2:N phase
*
CN10-Micom Download CN91-Display
#1~#5:LED Control
#6:AUTO_S/W
#7:Remocon_Signal
#8:GND
2 CN33-Wred Remote Controller
CN31-Indoor/Outdoor Unit
Communication
#1:Comm. Signal F3
#2:Comm. Signal F4
6
CN61, CN62-Slide Panel
CN83- External Control
#1,#6:DC12V
#2~#5:Motor Control
#7~#10:Not used
Samsung Electronics
4 3 2 1
#9:VCC
Communication