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mr ken broadberry Posted on Aug 30, 2015

Tv standby light on but tv wont switch on screen lights up for second then back to standby.screen just went off suddenly last night no previous problems been perfect picture

When standby light is first switched on instead of steady blue light it flashes once

5 Related Answers

Anonymous

  • 92 Answers
  • Posted on Oct 31, 2007

SOURCE: 42 inch LG Plasma TV - Lost picture

sounds like it may be a software upgrade

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Anonymous

  • 15 Answers
  • Posted on Dec 15, 2007

SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

Anonymous

  • 3 Answers
  • Posted on Jan 17, 2008

SOURCE: 42 inch LG Plasma TV - Lost picture

Our LG 50" plasma tv screen went black after a popping noise but still had sound, after great diliberations decided to take the back off and have a peek!
We unplugged the tv and tested the fuses (there were three we could see) one had blown, the one on the left as you look at the back of the tv it also has one above it. We wrote the code/seriel number down and took the fuse to the electrical wholesalers Maplin and bought a pack of 10 fuses for £1.29 replaced the fuse in the tv and everything now fine!!!!!!
Hope this might be of use to anyone whose lost the picture after a loud popping/snacking noise but still has sound.

budmrtn

Bud Martin

  • 11361 Answers
  • Posted on Nov 14, 2009

SOURCE: LG 26LG30 screen suddently went blank. Light flashing blue/red

There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Anonymous

  • 1 Answer
  • Posted on Jan 22, 2010

SOURCE: LG 19 LH 2000 no picture or sound

i have exactly the same problem and my tv is just 2 weeks old !!
any soloutions?

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Sony FD Trinitron Wega model KV-34BR800

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