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3-2.1
A. Power Troubleshooting
Start
Is Power
LED indicator ?
Yes
Is Lamp LED
indicator OK ?
Yes
Is Fan
LED indicator
OK ?
Yes
Is Temp
LED indicator
OK ?
Yes
Is Lamp lit ?
Yes
End
Lamp
No
Cover assembly
OK ?
Yes
Change
No
Lamp Module
No
Is System Fan
working ?
No
No
Is Intake Thermal sensor
working ?
Is System Fan
working ?
No
Change
No
No
Lamp
Lamp Driver
Module
No
Reassemble
lamp Cover
No
Change
Main Board
Yes
Is Optical Fan
working ?
No
Change System
Fan
No
Yes
Yes
Change System
Fan
No
Change
Change
LVPS
3-3
Change
No
Main Board
No
Change
Lamp Driver
No
Change
LVPS
No
Change
DMD Board
Change
Yes
Main Board
Change Optical
Fan
Change
Thermal Board
Yes
Is Optical Fan
working ?
No
Change Optical
Fan
No
Change
No
Main Board
Toshiba Series
Change
Main Board
Change
DMD Board
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