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Re: AKAI 54 inch
Sounds like your convergance ic's shorted on you. you can replace the fuse in the power supply and disconnect the conv board and see if it comes on. if so order new ic's and check all resisters for the correct values. good luck
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I have had a few of these with similar symptoms. In one case the set had a coolant leak onto the circuit board. The way I found the problem was to unplug the power and removed the front cover.(most models you can remove speaker grill and access panel) Make sure power is unplugged. When I looked in using as much lighting as possible I was able to see small puddles of coolant that had dripped onto the circuit boards from the picture tubes above. The other one as I recall had an arcing picture tube which caused a screeching type sound seconds after plugging in, then it would go into protect mode and just have a blinking light. I'm sorry to say but in both cases it was deemed unrepairable due to expense or lack of parts. Although, in many other cases I was able to clean the leaks and circuitry to restore power. Keep in mind this is just an educated guess. Good Luck, Russmann.
Partstore has two models available - one for around $40 and another for around $55.
The part number is STK392-110 and if you google you can find them for
as little as $6/each but I don't recommend the cheap ones as they are
It takes a good tech around 3 or 3 hours to take the old ones out and
solder in the new ones. Also, it is likely one or two resistors are
burnt and will need replacing as well. ·http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm ·http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
First plug in again and look at led light, the amount it blinks tells what is wrong. Then if it stays lite it tells something also. You can try Display-channel 5-volume +- Power(service mode). Then Channel 8-enter(test reset). If this doesn't work then you will have to replace somethings like F601, R607, Q601, IC601, R612, VDR601.