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Hi Liz, I am sorry about your issue. Please remove the HDMI cable from the receiver that is connected to the TV as a test. Check and see if the receiver stays on. If it does not the receiver would need to be serviced. Thank you, Onkyo USA
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.
You may be experincing bad capacitors. They will definitly slow the turn on time. Get this TV in, as soon as possible,bad caps can take down regulating transistors,resistors and ICs. I have not repaired this particular brand, but the symtoms are classic to almost all electronics. Thanks for asking and Good Luck!
Hi,
These Hitachi models are a bear but this may be the fix: Regulator STRM 6511 and C915. A good tv repairman should know this. This should be changed first before determining that the high voltage transformer is bad which is likely to be the worse case senario and may not be available anymore.
Problem solved. I had the exact same problem with my Magnavox TV. The screen would shrink then expand. After thrity minutes it would correct itself. Then one day it just broke - no sound and no video. I searched these forums but did not find clear instructions on how to fix it. I gave up and called in a repair tech. He fixed my TV in less than 30 minutes. To help others like me I documented the fix and created a step by quide and repair kit to fix the problem. You can find it here. http://www.magnavoxhelp.com
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