Samsung AVXTJH028EE - Page 371

PCB Diagram and Parts List
Samsung Electronics 6-24
AC Power
or Motor
Power
Connector
①②③④
#1 DC300V #2: Not used
#3: DGND #4: DC15V
#5: PC 501 Output
#6: RPM Output
DC
Connector
⑤
#1~#10: Address/Option S/W Control
#11~#14: GND
#15: External Contact Point Control
On/Off
#17, #19: DC12V
⑥
#1: GND
#2: EVA OUT Temp. Sensor
⑦
#1: ROOM Temp. Sensor
#2: GND
#3: EVA-IN Temp. sensor
#4: GND
⑧
#1 MPI(-) On/Off Control(DC12V)
#2: MPI(+) On/Off Control(DC12V)
#3: DC12V
#4: MPI Feedback
⑨
#1: DC5V
#2: GND
⑩
#1~4: Control signal
#5: DC12V
⑪
#1: DC5V
#2: GND
⑫
#1, #2, #3, #4, #5: Display LED Control
#6: TOUCH S/W Reset (DC5V)
#7: TOUCH S/W out (DC5V)
#8: Receive REMOCON signal
#9: GND #10: VCC(DC5V)
⑬
#1: DC12V
#2~#5: Control Signal
⑭
#1: Comm. Signal F1
#2: Comm. Signal F2
⑮
#1: DC12V
#2~5: Control Signal
⑯
#1: Comm. Signal F1
#2: Comm. Signal F2
⑰
→
For developer only, Not available
in Actual Site
→
7 Pin Down Loader
⑱
→
For Developer only, Not available
in Actual Site
→
10 Pin Down Loader
CN70-GND CN100-AC Power Input CN75- Ventilator Output CN73-Fan Motor Output(BLDC)
CN86-Sub PBA CN42-EVA Out
CN41- Indoor Unit Temp.
Sensor
CN45-MPI
CN87-Damper S/W
CN84-EEV CN32-DC12V Output CN83-Panel Display
CN82-Damper Motor
CN31- COM1 Communication
(Indoor
↔
Outdoor)
CN84-Louver Motor
CN33-COM2 Communication
(Indoor ↔ Wired Remote Controller)
CN20-Micom Download2 CN10-Micom Download1
6-1-11 Console
■ MAIN
1
2
4
5
8
7
12
11
18
3
13
17
15
16
14
9
10
6
$9;&6+B$BaLQGG 