Question about Toshiba TZ50V51 50" Rear Projection Television
Sounds like it's a high voltage problem. The flyback is putting out low voltage. Common problem. Flyback is ready to burn out. Most flybacks are 30 to 100 bucks.
Posted on Oct 08, 2008
The problem is probably a faulty IC (chip) or capacitor on tv main board.
Only simple things you can do at home are hard reset and whacking test.
To do hard reset leave the power cord unplugged for two hours; then power up again. This will drain power from tv and will restore all eproms inside the set to factory defaults.
to do whacking test. Just bang (not too hard) your fist on the top, back, sides, etc., to see if you can restore the picture, this can fix bad connectors etc.
If reset and the whacking doesn't help, then the problem is in some faulty or burnt component on main pcb inside tv. Often the jungle IC chip. The jungle IC handles all the video, color and control signals to the projection tubes. It is quite expensive to replace. In this case you will need a tech to test and diagnose the exact failure so that the right outboard parts are replaced at the same time.
The set should be nearly 10 years of age; so, it should have a few years of life left in it, as average life for a Toshiba is around 15 years . So, if you have to spend $300 to fix it and you get another 5 years of life or so out of it, it may be worth repairing, as the only other option is buying a new TV.
Posted on Aug 15, 2008
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Posted on Jan 02, 2017
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