Question about Projection Televisions
First make sure all the cable at the back of the TV is connected properly.
The problem you referred means that the TV is going in protect mode because it detects an internal problem, try leaving it unplugged for a longer time, let say one hour or two.
Basically, what happens is that the TV does not start because it detects that there is an internal problem, such as a wrong voltage, a bad component, overheating etc.
When you unplug power and restart it, you reset the internal circuit, and the TV will restart, not detecting the internal problem.
As soon as the TV gets hot, after staying on for a while, the defective part start giving troubles, as the defective component (probably an IC, starts overheating).
From description, the digital processing board. can be cause for the problem as there is no video.
However all the following parts can be involved.
Parts involved can be
Polaroid digital processing board.
Polaroid replacement ballast.
Polaroid Replacement LCD controller
Its time to get it repaired.
Posted on Nov 03, 2008
There are several things that can cause this. Colorhweel, ballast, power supply, dmd module. Try to listen carefully to the set and see if you hear the colorwheel spin. If you dont hear it spinning then that may be your problem. If it is spinning then you will need to know how to use a meter to determine what part is bad. if it is not spinning then it is most likely bad. Let me know what you find and if you need more help!
Posted on Sep 17, 2008
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