Question about Toshiba TP55H60 55" Rear Projection Television

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Set has power, but fails to turn on

Set has power, but will not power up. Power LED flashes repeatedly. I was told that the problem was the power supply from the person who gave it to me. I tried searching for a replacement PB, but they are no longer available.

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Your going to need a schematic diagram and some troubleshooting skills here or a quilifyed repair person. This set has several power supply problems as well as sweep dirived power problems. The biggest problem is the STR (I dont remember the other #'s)(ie- STR#####) regulator IC It is alway the first thing that goes bad in these chassis. Now do not get a general replacement as it will blow out as soon as you turn on the set. I've been through this and a half a dozen regulators till I relized that the replacement ics do not have one last digit on the ic that the original did have!! and that one last digit made the ic completely differant. Another common problem here would be The Two filter capacitors off the sweep derived 15 or 18 volt lines Good luck to ya.

Posted on Apr 22, 2006


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