Question about Toshiba TheaterWide 46HM94 46" Rear Projection HDTV

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No picture or sound

I got this tv from an auction. It has no sound or picture, I replaced the bulb and still has the same problem. A green light come on and a red flashing light, could you help?

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Re: No picture or sound

Hello till, First you will need a schematic, and some equipment, if you do not have a background in electronics. You will need to take the unit to a TV repair shop. Having said that I believe your problem is in the high voltage power supply section. You will need a schematic to which to compare the measured voltages to, a multimeter to measure the voltages, and access to an oscilloscope to measure the wave forms on the DC voltage line to make sure ripple voltage is at a minium or not present at all. Reading the error lights is ok as a begining but nothing beats troubleshooting.

Posted on Oct 04, 2007

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