Troubleshooting - Toshiba TDP-ST20E Service Manual

Troubleshooting

Y ou 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
The projector will not power up, only partially power up,
or will not remain powered up.
No stand by LED
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.
Does the projector power up?
Check the voltage of PJ100 (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.
Is the power supply outputting?
What is the problem?
No lamp
At least some fans are running.
No stand by LED
No
Yes
Replace the Main board
Lamp or projector shuts off after
running a short period of time.
Yes
No
6-2
Chapter 6
Problem resolved.
Replace the power supply