Question about JVC AV-20820 20" TV
I turn on the TV and in about 10 seconds or so the picture get a little blue with a couple like interference lines the shuts off, the the "on timer" light starts blinking and it won't turn back on till I unplug it and turn it on again and the same process starts again, HELP, I really like this TV and would like to fix it, any help would be appreciated, John
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Posted on Jan 02, 2017
Sounds almost like you have a voltage missing on the power supply board. if its a missing voltage a service manual and a multi meter should help ya find whats missing But a shop repair on a set like this could cost a bit as anything over 27" is a little costoly to fix these days. Only way to see is call and say to your self How old is the set? is it the set you really like do you wanna spend 150 to 225 to repair? it up to you. Good Luck
Posted on Jun 04, 2006
SOURCE: JVC tv i'art blinking timer
It is protecting you and itself with high probability.
Power supplies in modern electronic devices are designed to cycle if there is a fault in circuitry they are servicing and because of the design, also will not turn on completely if they are failing.
The older style of power supply was 'dumb' and unable to do this so could cause fires if the failure wasn't teh 'right' kind to blow the main fuse.
I agree with the manual; this is a job for a tech.
Posted on Aug 23, 2008
SOURCE: JVC TV crisis.....HELP
yes... i actually work at verizon the tv is to old for fios because fios is so advanced we run off ot 720 to 1080 depending on areas. what kind of box is it? is it the hd box or stb>
Posted on Dec 19, 2008
Try to reset everything in the menu section to reset the timer for tv some how was activated and needs to be turned off.that might help!!
Posted on Mar 24, 2009
SOURCE: TV turns on for about
I assume the light is blinking red, generally this may stand for a trouble code depending on the number of flashes.
I am thinking that since these tvs have had problems in the video circuitry, I think vertical amplifier for the picture or a similar part went bad and is just causing the tv to shut down. Unfortunately due to the age and type of the tv, it is definitely not worth fixing. A part replacement would cost about half of a new LCD tv of this size alone if it is what I am thinking. Sorry for the bad news, but this tv is done unless you want to stick more money into a tv that isn't worth fixing rather than buying a new one.
Let me know how this works out for you. Benjamin
Posted on Aug 26, 2010
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