Question about Televison & Video
This is a CRT Projection TV and of course does **t have a "bulb". Since power supply problems are rare in Samsung rear projection tvs I would be inclined to first check for CRT "leaks". There is glycol based coolant used in the crt that sometimes will leak onto the main and or deflection boards. This is definitely something I have seen in these models and can cause all sorts of weird problems. After removing the back cover, one could just inspect the boards (under where the tubes are mounted) with a flashlight VERY carefully and very thoroughly. If you find a spot you will likely be looking at repairing/replacing the leaky tube as well as cleaning or repair of the board,
The other thing I may try is to look at the convergence circuit to see if it is causing the high voltage to shut down (causing ** illumination to the tubes). This will of course require experience in electronic troubleshooting experience and the proper equipment. Some models have a small convergence amp pcb mount above the main boards with 2 large ICs on it (stk392-040's). If this model has this, you could try and disconnect the cables to it and see if it fires up. If it does the picture will be distorted, but at least you will k**w that the convergence amps are the source of the trouble.
In any case, unless you have electronics expertize, this will be very challenging for you to work through.
Posted on Mar 09, 2008
Check the Bulb of your projector if seen is open now and check the inside Supply Circuit of it try to check the fuse on it.
Posted on Mar 09, 2008
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Posted on Jan 02, 2017
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