Pcb Diagram And Parts List - Samsung JH052EAV Series Service Manual

6. PCB Diagram and Parts List

6-1 PCB Diagram
6-1-1 Indoor Unit
MAIN PCB
AC Power
CN70-GND
or
Motor Power
Connector
CN86-SUB PBA
#1~#10
Address/Option S/W Control
#11~#14. GND
#15. External Control On/Off
#17, #19. DC 12V
CN87-DAMPER S/W
#1. DC 5V
#2. GND
DC
connection
Connector
CN82-DAMPER MOTOR
#1. DC 12V
#2~#5. Control SIGNAL
17
CN20-MICOM Download2
> For Developer,Not for field
> 7pin Downloader
6-1
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CN100-AC Power Inpu
2
CN42-EVA OUT
#1. GND
#2. EVA OUT Temp Sensor
CN84-Electric Expansion Valve(EEV)
#1~#4. Control Signal
#5. DC 12V
CN31-COM1 Communication
(Indoor-Outdoor Communication)
#1.Communication Signal F1
#2.Communication Signal F2
18
CN10-MICOM Download1
>For Developer, Not for field
>10pin Downloader
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CN75-VENTILATOR Output
CN41-Indoor Temp Sensor
#1. ROOM Temp Sensor
#2. GND
#3. EVA-IN Temp Sensor
#4. GND
CN32-DC 12V Output
#1. DC 12V
#2. GND
CN84-LOUVER MOTOR
#1. DC 12V
#2~#5.Communication Signal
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CN73-Fan Motor Output(BLDC)
#1. DC 300V #2. No use
#3. DGND #4. DC 15V
#5. PC501 Output #6. RPM Output
CN45-MPI
#1. MPI(-) ON/OFF Control(DC 12V)
#2. MPI(+) ON/OFF Control(DC
12V)
#3. DC 12V
#4. MPI Feedback
CN83-PANEL DISPLAY
#1, #2, #3, #4, #5> DISPLAY LED
#6. TOUCH S/W Reset(DC 5V)
#7. TOUCH S/W Out(DC 5V)
#8. REMOCON SIGNAL Receive
#9. GND #10. VCC(DC 5V)
16
CN33-COM2 Communication
(Indoor-Wired Remote Controller)
#1. Communication Signal F1
#2. Communication Signal F2
Samsung Electronics
2008-10-22 17:04:43