Question about Toshiba TP55G60 55" Rear Projection Television

2 Answers

TOSHIBA TP4688 Rear Proj. TV

When power cord is connected to outlet I can hear relay (or something like it) clicking and then when I press the power button nothing happens. I hear 2 distinct clicks when I plug it into the wall. If I leave it out of the wall for 5 seconds and then plug it in, there is only 1 click from the relay but then I press the power button and it clicks and the television does not turn on. Would this most likely be a bad relay or just some diode/resistor/circuit board problem?

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  • TP4688_help Dec 06, 2007

    Thank you so much guys! I did not expect that quick of a response :) Consider me pleasantly surprised. Anyway, I am down at college and will be going home in a week and a half, which is where the television is. As soon as I get home, I will do exactly what you suggested and hopefully it works. We've put way too much money into this television so far and we don't want to waste anymore. Anyway, thanks again and talk to you soon. Take care.

  • Cadillacs May 31, 2008

    Same problem: I found the relay that's suppose to turn on televisions picture and sound. Relay does not click by itself but contact is made manually Tv picture and sound turns on. I don't have a problem for days. Then it clicks off again...Blow dryer fix works temporarly. What do I look for? Is there somewhere I can see a picture of component that might have gone bad?

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Look for F850,F851 black soldered in micro fuses near board edge...usually, convergence circuit is the issue......
Be sure to solder wire jumpers 008,010,017,048,600....any bad
connect can cause fuse to blow again.........T.

Posted on Dec 06, 2007

  • Vista Electronics Dec 06, 2007

    tp4688help,

    Please direct your further needs to BMWRider......

    I am only trying to give additional support help............T.

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Hi, the relay is getting a command to shut down because there is a short somewhere in the set, if you have a volt meter you can check the "chemical fuses" to see which one(s) are open and that will tell me which circuit has the short in it. be advised these are not glass fuses so if your unfamiliar with what a chemical fuse looks like you will have to look on the power supply board for a small rectangular body device with a designation printed on the board "Fxxx". check these and let me know which ones you have failed and we can go from there, BMW Rider

Posted on Dec 05, 2007

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