Question about Apex Digital AT2008S 20" TV

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Tv too bright

My tv is making the picture way too bright, and putting it into dvd view. the controls for brightness and contrast dont do a thing.

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This problem might be caused by a problem called blooming. is the picture fuzzy and does the picture look to be streched out. Since you do not have contrast and brightness control this would almost completly point to the HV section of the TV either the control and screen grids of the CRT are going bad or the HV power supply is about to go bad, I would suggest that if you have a background in electronics that you check the HV at the anode of the picture tube and make sure the voltage is from 20Kv to 40Kv using a high voltage probe. You will need a schematic to aid you in your troubleshooting

Posted on Nov 14, 2007


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How do I fix contrast and brightness on 36" toshiba tv?

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