Toshiba TDP- T80 Service Manual page 23

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 ?
Yes
Is System Fan
working ?
No
Change
No
Change
No
Lamp
Lamp Driver
Module
No
Reassemble
No
lamp Cover
Change
No
No
Main Board
Yes
Is Optical Fan
working ?
No
Change System
Fan
No
Yes
Is Optical Fan
working ?
No
Change System
Fan
No
Change
LVPS
3-3
Change
Main Board
No
Change
Lamp Driver
No
Change
LVPS
Change
DMD Board
Change
Yes
Main Board
Change Optical
Fan
Change
Thermal Board
Yes
Change
Main Board
Change Optical
Fan
No
Change
Change No
DMD Board
Main Board