Having problems with your Projection Televisions ?

The Samsung HCM4215 Rear Projection TV was playing and all of a sudden the Picture disappeared but the audio kept on. Then I switched off the TV and tried to switch it on but the TV is not turning on. The tiny Timer light keeps on blinking and thats it. I have tried unpluging the TV from power for one week and then plugged it back t power, but still the same Timer light keeps on Blinking and won't let me do anything with the TV. By talking to friends it seems the DLP lamp has blown out but



Answers :

First I need to clarify your tv. Your tv is not a DLP. It is a standard 3 CRT rear projection. So there is no Lamp/bulb to replace like you would find in a DLP.
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\015\012As for your problem. I would suspect a convergence failure. I believe on this set, there is a small board in the back of the tv above all other boards with two STK chips on it. Access if from the back of the tv. You should be able to unplug this board and see if the tv comes on. If it comes on, the picture will be distorted and colors separated. if this happens, then you know you have a convergence failure.
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\015\012If this is the case, you can either:
\015\012 a) have a repair shop fix it
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\015\012or
\015\012 b) buy a new or used(most likely) board and replace it yourself and then re-align the tv.
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\015\012 or
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\015\012c) Replace the STK chips on the board, any faulty resistors in the area and possibly a fuse or two.
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\015\012You will need the service manual to help you with how to do the re-alignment once the chips are replaced.

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