Question about Sony KV-36XBR400 36" TV
I have a 7 year old 40 inch trinitron tube tv (300+ pounder). It has developed a problem in the last year where the cable input bleeds through to any other input I have selected. It is the video only, not the audio. So when we try to watch a dvd or play a video game, the cable video comes through. If I unplug the coax cable, the snow bleeds through. Any help would be appreciated. Thank you.
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Posted on Jan 02, 2017
SOURCE: Sony Trinitron KV-20S20
My experiance is to not put money into a TV that is over ten years
old. TVs stress out their electronic components worse than almost
any other electronic product. After 10 years, there are so many
parts that are ready to fail that your are probably wasting your money
trying to get any more life out of it.
Another option is to wholesale replace the main board by sending it to Module Exchange at 972-298-1212, or PTS Electronics 800-844-7871 ptscorp.com.
Be careful on buying a new one though. Often times, these new technology ones are much worse. Always Google the model number of the set you intend to buy and add the word 'repair' or 'complaint' to see if it is one of the many models that are customer service nightmares being produced by even the most reputable companies today.
Hope ya fix it!
Posted on Feb 08, 2008
This could be a scan amplifier failure, and there is a loss of high voltage to the CRT. Part of the power supply may have also failed. In these sets, if the CRT emission goes low in emission, or the CRT goes defective, the bias supply to the CRT will go in to protect.
An experienced TV service tech can troubleshoot the set and give you an estimate for service. Considering the age of the set, the cost of service may not be worth it.
Posted on Jan 08, 2009
buy technical Sony docs on Ebays :
SONY TV SERVICE & REPAIR MANUALS ON DVD + 400 MODELS 12,99 USD
and good luck : Thierry
Posted on Sep 27, 2009
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