Question about Sanyo DS24425 24" TV

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HELP!!!! Hello all. I'm having some SERIOUS probs with my girlfriend's mother's refurbed Sanyo DS-24425-02. Originally, I thought the problem may lie in the onboard tuner, as the initial issue was with the TV accepting a split from a cable box, and the auto-shut-off feature. However, after pulling the RF cable line and replacing the screw-type RF connector with a push-type adaptor and adding an inline booster, the problem persisted. So then i started messing around in the service menu. Using the service manual as a guide, i reset all values outlined in the "if eeprom is replaced" section...they were mostly wrong at the outset. and then something very strange happened. Halfway through this process, the onscreen display quit, the TV display lost about 1/2 brightness, and now the set is stuck in some half-mode b/w service and standard operation. Any attempt to restart the service mode leaves me able to adjust certain features, but there is no onscreen display, either in "service" or "standard" modes. It's obvious I need to erase/flash the eeprom (IC802), but I cannot find a SINGLE method on how to do this, save for a few mentions of unplugging the set from AC over 4 hours, which does NOTHING. Do I need to replace the IC? Is there a way to reset the eeproms from outside the box? Is the TV finished? HELP!!!!! Please write me at as opposed to PM's if you please. However, PM's will do in a pinch, of course...

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Re: HELP!!!!

The values in the service manual are just to get the TV running. The values that were in the TV were all correct for the CRT, deflection yoke, high voltage transformer. These values are changable as NO two parts are alike and have to be aligned accrodingly. You most likely will need to replace the EEPROM now to get back to center or factore defaults. By the way, you only have to unplug the set for 2 minutes for a reset to occur.

Posted on Dec 01, 2007

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