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hyperunit failure. that tv uses whats called a " next hyper-unit" it is the digital scan card for the tv. it does the video and audio processing for the tv. they can be very heat sensitive and get better ot worse over time. the repair is very involved i suggest calling a repairman.
If your tv is around 2-4 yrs or used 6000-8000 hrs,never replaced the lamp before it could be time to replace it.The other most common failure is the board that powers the lamp,which is called the ballast.When its bad it will make a clicking sound or like wanting to turn on.Good luck and God bless your house!
Hi,If your tv is between 2-4 yrs and havent replaced the lamp it might be time to replace it.If you hear clicking it could be the board that powers the lamp.You can find the lamp here: www.discount-merchant.com?Click=48173 Good luck and God bless you!
the next time it is not working go into the customer menu with remote and call up the convergence grid and look---there---if convergence is way off and or comes and goes---this set uses 2 Stk-392-570 ic's and it is quite common to see them become intermittant.
This is likely solder connections cracking on your convergence ICs. If you can bump the tv and it goes back to normal, it just needs resoldering, but if it doesn't, then it needs the ICs replaced. If the convergence is out, you will see a bowed picture and the red, green, and blue will be separated. Worth repairing if you can find a company to do it affordably, I can help you repair yourself if you have disassembly and soldering skills.
convergence ICs have failed. Heres a link where you can get replacements with free step by step instructions so you can do the repair yourself and save alot of money. The parts are inexspensive. http://servicemanuals.vstore.ca/