Vivitek RP56HD22A 56" HD DLP TV. When the TV is turned on the picture stays on for about 30 secs and the TV then cycles off and then back on. It does this repeatedly. Picture quality when it does come up is still very good, it just won't stay on. I've reseated the lamp which looks good. Cleaned the filter. Cooling fan seems to be working fine. Trying to determine if it's the ballast or power module. What do you think? Rick, Virginia

HI,
   Check the capacitors in the main power supply board.There must some leaking or blast capaciotr.Check and change the capacitor.And your tv works fine.
Thanks

Most probably its the issue of short power module in the unit.get it repaired.if not possible needs to be replaced to resolve the problem.

The components gets heated up on the board so this is happening so it is necessary to get the board chevcked.it could also happen due to loose soldering.dry soldering the whole board can also help.