Toshiba TLP-X2500B, Service Manual

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6-2
Chapter 6
Troubleshooting
You use this section to diagnose problems with the projector. Choose the problem you
are trying to diagnose from the list below. The Power, Image and Audio sections
provide a variety of symptoms, while the other includes only one page.
1. For Power problems
2. For
Image problems
3. For Audio problems
4. For Remote Control
5. For Keypad problems
6. For Menu problems
Troubleshooting Power Problems
No stand by LED
No lamp
At least some fans are running.
Lamp or projector shuts off after
running a short period of time.
The projector will not power up, only partially power up,
or will not remain powered up.
What is the problem?
No stand by LED
Check the voltage of CN106 (Power IN) at Main board
And also check the voltage of CN201 (Power Out) at Power Supply
when it removes the cable from Main board.
Check the Power cord and AC power outlet.
Check the Main power switch.
Check the Keypad cable has broken or not.
Check the connect cables inside the Unit.
Problem resolved.
Replace the power supply
Replace the Main board
Yes
Yes
Does the projector power up?
Is the power supply outputting?
No
No