Sound but no picture, screen appears to be turned off, I assume no power is being diverted to itI have sound, but no picture on my unit. I watched it last night, turned it off, this morning I have no sound, but can change channels, Will not play a DVD either.
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This may be an instance were the idea was great but the execution wasn't thought out. I've heard of several related problems that may be related. Both the TV and the DVD player tend to produce heat, not in great abundance, but together a sizable amount of heat. The power supply may have been ample for the TV at first but with the addition of the DVD player was not able to handle the extra load. If still under warranty you're all set. If not you might call Akai and see what they might be able to do for you.
Use a flashlight to shine light near the screen in a 45 degrees angle when the TV is ON, press menu to see if you get fainted dark video in the background. fainted video indicates that the backlight is defective.
This type of failure could be due to a lower backlight inverter voltage as well.
Check this link for availability.
Let me know if you require further assistance.
Ive reviewed and assisted anoter person who had a similar problem that caused the tv to malfunctioin simialr to yours. After doing some short research and the other person who had the problem, came to find out that 4 resistors failed on the main board causing this to happen. It also could be the backlight of your Plasma screen tv, or your Plasma screen itself is shot.
I would recomened that if you have no active warenty to give a visual inspection of the Tv, via removing the rear black plastic pannel to see if any of the corisponding chips have any burn marks or excessive heat stress. these items seem to be failing about the 12 month mark