Forum > LCD TV forum
JVC LT40C540 BLUE LIGHT
downunder:
Hi Kenny,
Main boards commonly cause your problem. I've had some success with cooking the main boards in these el-cheapo sets. - Bruce
kennyc:
Hi Downunder ,never "cooked " a board before . Read about doing it so will give it a try . What temp and how long do you do it for ?. Have tried heating it up with a hairdryer but makes no diff
downunder:
See post "LG 32LD490 - Suspect BGA issue" on this page. - Bruce
Nitram73:
Hi all
I wonder if you could help. I also have the blue light issue with my 2 year old JVC LT-40C540. When power is on I get steady blue light. Repeated powering on from mains eventually the blue light goes red and I can switch on the button on side of TV.
Sometimes after switching on mains it works as it should going straight to Red/Standby and Im able to switch on using button on side of TV
I've just replaced the power supply board (Ebay purchase) but same issue persists.
Just ordered a main board from Ebay but wondered if anyone has any advice.
(I haven't tried cooking any boards yet)
I have no electronics knowledge other than building radios from kits as a kid. Any advice gratefully received. Martin.
Nitram73:
in answer to my own question - I replaced the main board and it all works fine now. :)
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