Question about Akai PT4298HD Rear Projection Television
I have the identical problem to what was described. Turns on, no picture, no sound, timer light, etc. I tried your solution of unplugging the red connector from the convergence board (I know I got the right one because I compared it to pictures of the actual board), plugged in the set, turned it on, and had the same problem. No picture. Not even a distorted one. Not even the "turning on" chime. But it turned on, and the light stayed on.
Any other ideas I should try? Is it possible the convergence board is the problem but your little test didn't work for some reason?
I'm not a repair guy, just happen to have one of these TV's. Seems to me that unplugging the Convergence Board removes it from the equation and suggests something else might be the problem. I got most of my help from here and also from this thread:
The samsung TV is the same TV as this Akai, it's just a rebadged Samsung.
One important difference in my TV from yours. I did have a timer light, and with the back off, I could hear it power up when I plugged it in and turned it on. The timer light would flash then it would go off.
When I removed the convergence board, I could clearly see burn marks on the bottom of the board where one of the amps was soldered on. That gave me some piece of mind in ordering the part. I just scanned that other thread but remember some people talking about the power supply failing as well as the main board, you might pursue those avenues.
I wish you luck in fixing this!
Posted on Mar 18, 2008
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Posted on Jan 02, 2017
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