Question about Sony FD Trinitron WEGA KV-36XBR800 36" TV
The TV was working perfectly then just shut off one day and wont turn back on??? What can I do to fix it?
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Posted on Jan 02, 2017
In cannot remember if this model of set uses on the CRT drive board a drive IC for the CRT colour channels, or if it uses descrete transistors. I have had component failure on this board that causes your description. The failure in your case would be with the red channel drive. Most of the time I had the semiconductors fail, and some of the support components.
Most of the time, a failure on this board is caused by some intermittant internal arching inside of the CRT. If this happens, the CRT is starting go defective.
Another cause of this fault is that the CRT is starting to go internaly shorted between the control grid and screen grid. As it heats up, the shorting becomes lower in resistance, and thus causes the pricture to go brighter until the protection turns it off. This would be with the red electron-gun.
With any failure with the CRT, the set is not worth to fix even if you can find a CRT for it.
Posted on Jan 09, 2009
sounds like you have some cold solder or bad joints,power section, inspect it ,with the back off, but be carefull.........i had one that did that...bad connection in solder joint...had to resolder,if you have to resolder,make sure it is unpluged.hope this helped....
Posted on Feb 23, 2010
A solution I found for our KV-32XBR200 was to press Setup on top of the set, then select the "Demo" item with TV/Video. The text overlay apparently banished PIP. Verified this twice, as I'm at this page because our remote can only turn PIP on :-).
Posted on Feb 17, 2011
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