Samsung MH020FVEA Service Manual page 128

PCB Diagram
I MH✳✳✳FJEA
&
CN70-GND
AC Power
or
Motor
Power
Connector
%
CN86-SUB PBA
#1~#10
Address/Option S/W Control
#11~#14. GND
#15. External Control On/Off
#17, #19. DC12V
(
CN87-DAMPER S/W
#1. DC 5V
#2. GND
DC
connection
Connector
3
CN82-DAMPER MOTOR
#1. DC 12V
#2~#5. Control SIGNAL
7 CN20-MICOM Download2
> For Developer,Not for field
> 7pin Downloader
8-7
@
CN100-AC Power Input
^
CN42-EVA OUT
#1. GND
#2. EVA OUT Temp Sensor
)
CN84-Electric
Expansion Valve(EEV)
#1~#4. Control Signal
#5. DC12V
CN31-COM1 Communication
4
(Indoor-Outdoor ommunication)
#1.Communication Signal F1
#2.Communication Signal F2
8
CN10-MICOM Download1
>For Developer, Not for field
>10pin Downloader
#
CN75-VENTILATOR Output
&
CN41-Indoor Temp Sensor
#1. ROOM Temp Sensor
#2. GND
#3. EVA-IN Temp Sensor
#4. GND
1
CN32-DC 12V Output
#1. DC12V
#2. GND
5
CN84-LOUVER MOTOR
#1. DC 12V
#2~#5.Communication Signal
$
CN73-Fan Motor Output(BLDC)
#1. DC300V
#2. No use
#3. DGND
#4. DC15V
#5. PC501 Output
#6. RPM Output
* CN45-MPI
#1. MPI(-) ON/OFF Control(DC12V)
#2. MPI(+) ON/OFF Control(DC12V)
#3. DC12V
#4. MPI Feedback
2
CN83-PANEL DISPLAY
#1, #2, #3, #4, #5> DISPLAY LED
#6. TOUCH S/W Reset(DC5V)
#7. TOUCH S/W Out(DC5V)
#8. REMOCON SIGNAL Receive
#9. GND
#10. VCC(DC5V)
6
CN33-COM2 Communication
(Indoor-Wired Remote Controller)
#1. Communication Signal F1
#2. Communication Signal F2
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