Question about Akai PT4298HD Rear Projection Television
When i turned my tv off it was fine.....but when i used it the next time it was black and white.....ive tried all new cables ,different dvd players etc.nothing worked.....im guessing Im getting what I paid for.....but even a cheap TV should last more than 3 years.Any idea if this is fixable or not?
These sets use what is called a "switch mode" power supply. In order for them to work there is a capacitor that "kick" starts the process. If that cap goes bad, the power supply will not start up. Also, there are other caps inside that maintain the oscillation required for the power supply to work. There are 2 options for you here.
1) Replace the entire power supply module.
2) Repair the existing one.
Sicne these types of power supplies are not the easies to diagnose or repair, I would suggest that you replace the power supply module. That should resolve the problem.
Please note that there are other causes of the reported problem, but hte power module becoming defective is the most common.
Posted on Feb 10, 2009
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