Question about Akai PTH5498 54" Rear Projection HDTV-Ready Television
I just tried to turn my Akai PTH5498 on and you can hear the TV begin to turn on and then the timer light blinks. Nothing else. Then the timer light stops blinking and goes off. I have tried unplugging everything including the surround sound and cable and TV and plugging them all back in but the TV is still not turning on. Can you help?
Where is the convergence board located
Posted on Jun 28, 2008
I will try anything at this point! I will keep you posted onthe repair. Thank you so much for your assistance.
Posted on Dec 21, 2007
Convergence board failure. $300 repair
Posted on Dec 20, 2007
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Posted on Jan 02, 2017
Can you add more detail to what's happening? Are there any sound coming from behind the set? Do the lights in your home dim as it is cycling on and off? Is there a squealing from behind/inside the set? Was there any repairs or problems prior to this? I ask these questions because I have the same set, and experienced the same trouble. Eventually the cycling stopped and the set began to come on. Then it would start cycling again. Finally the cycling stopped the set came back on, but now the sound doesn't work. I can only hear the sound using my surround system. I currently have parts on order and I'll keep you posted on the out come. My email is firstname.lastname@example.org for you or anyone else who can shed light on our problem here. If your set is making the squealing sound like a mouse during the cycling process. I believe it is coming from one or both of the large 2200 micro farad capicitors located on the the right power board. They are the largest ones on the board. DO NOT TOUCH THIS AREA UNTIL THE CAPICITORS HAVE BEEN DISCHARGED!!!! THEY CAN KILL!!!! There is also a small black relay clicking on the center convergence board. My problem started about 2 months after I made a repair to the convergence board-swapping out the 2 convergence ICs STK392-040 as well as the blown pico fuses. The convergence seemed to work fine, All color was back to normal after performing the convergence a couple times, but after 2 months this cycling problem started. Any help will be greatly appreciated from anyone. I will keep you posted on my progress.
Posted on Oct 19, 2007
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