LG 42LC2D 42 in. LCD HDTV Logo

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Posted on Dec 07, 2017

My lg lcd tv will not turn on propaley,but will after lots of attempts. pressing the input or on buttpn on the remote the stand by light goes of after about half hour comes back on .pressing it again the same thing happens but the stand by light comes back on quicker.this continues untill it eventully comes on.

  • gemagm Jan 15, 2018

    may have bad capacitors in power supply. be sure to unplug TV before removing cabinet back, then visually check the power supply circuit for any bulging capacitor tops. they will need to be replaced & that should resolve your issue.

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1 Answer

Paul Kenyon

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  • Contributor 29 Answers
  • Posted on Jan 15, 2018
Paul Kenyon
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Could be start ccts. (main board) or maybe capacitors on the power supply board.

5 Related Answers

Anonymous

  • 10 Answers
  • Posted on Aug 24, 2007

SOURCE: LG 32LX1D 32 not turning on

Hi, I think you have to get it checked out by a profesional, unpluging your appliances is a good idea but damage can also ocuur the moment you plug them back on. If you want to try it could be that a fuse is open there not normal fuses inside (small chip fuses surface mount)

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Anonymous

  • 2 Answers
  • Posted on Oct 09, 2008

SOURCE: MY lg 32lx1d is not turning on..

I had the same sympton on my tv...it worked fine one day and the next day it would flash a green light a few times you would see the screen power on, but still be dark then the power light would go red. I couldn't do anything on the tv no menus or sound. It turned out to be a bad power supply, a new power supply will run around $200-300 - in my opinion it wasn't worth fixing. My neighbor was able to fix my tv - he repairs electronics - ended up cost me $100.00 - its been running for 7 months now no problems so far...I can have him fix this for you if you are in the area - shipping makes this to expensive..he is located in south jersey...or you can try a tv repair shop ( i called for this but they wanted between $75-100 to just look at the unit + repair cost - i would of been back to the 200-300 range) let me know if you need help...John
[email protected]

Anonymous

  • 5 Answers
  • Posted on Feb 23, 2009

SOURCE: LG LCD 37'' standby problem

if you want i will buy the tv from you

Chris Sorrows

  • 136 Answers
  • Posted on Aug 08, 2009

SOURCE: LG 47LC7DF LCD TV turns off with a pop then turns back on.

Sounds like a overheating issue. Try facing a large fan blowing across the back of the unit and see if this changes anything. If it does, it might help to blow the back out with compressed air as dust might be helping it overheat.

budmrtn

Bud Martin

  • 11361 Answers
  • Posted on Dec 07, 2010

SOURCE: Hi, I have a 37lc46 LG LCD which takes ages to

Replacement power supply is used?
You need to verify the DC output voltages of the power supply first and make sure this power supply has no bad caps with leaking/bulging tops. It goes into standby can also be that it detects fault some where in the set.
Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.

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kind regards,
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