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Fix for thorn 42thlchd1 panel starting up then shutting down

The panel starts fines then turns off. Sound is fine TV is a Thorn 42thlchd1.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017

SOURCE: Philips 42 in. Plasma shut down

Thank god we purchases the ADVANCED extended warrenty. This tv has been nothing but problems.

Fuzzy picture, picture shutting off after 20 sec coming back on and now blog of colors shut off never to come on again. 7 blinking red lights on the front. Waiting for the repair man again.......

Posted on Apr 13, 2008

  • 3 Answers

SOURCE: LG 42LC7D TV does not want to chg channels after 5 min of use

There are some inductors that are out of spec. LG's original SB said to replace some of these with a jumper, but it only lasted a couple months.

You need to have the Total Main Assy replaced.

Posted on Jul 30, 2008

  • 2 Answers

SOURCE: POLAROID FLAT PANEL TV PICTURES JUST GOES!!!!!!!!!

Its under warranty

Posted on Jan 24, 2009

  • 187 Answers

SOURCE: 37" Sony Plasma won't remain on

Your mainboard is damaged, replace it and that will solve your issue.

Posted on Jun 06, 2009

budmrtn
  • 11361 Answers

SOURCE: tv turns black after about

You may have power supply problem due to bad component or bad solder joints that expanded when warm up, or problem in the backlights inverter circuits, or bad T-CON board.
Try this when the screen black out.
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there is some troubleshooting you will have to do to find out the causes of the problem you are having.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: 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.

Posted on May 01, 2011

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