Question about Dynex DX-L42-10A 42 in. LCD TV

1 Answer

Dynex dx-40L261A12 won't turn on. Red power light is on, but no sound from speakers and no picture. Remote power button and power button on tv doesn't turn the tv on.

Posted by Anonymous on

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  • Dynex Master
  • 1,210 Answers

In this case, the symptoms you describe is a faulty inverter board. The TV will or should flash "PLEASE WAIT" and then you have a black screen no audio. Find Shop Jimmy on line. Enter your TV model number. You will find an inverter board for $24.95 plus $9.50 shipping. When you remove the back cover of the TV, look to the left. You will see a long vertical board...this is what you will replace. Thanks for asking, Matt of Martins TV Repair.

Posted on Nov 04, 2016

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 8 Answers

SOURCE: power button is green - no blinks / no picture / no sound

Unplug it from the wall, wait 2 minutes and plug it back in. if problem still exists, its probably the main pcb.

Posted on Aug 21, 2008

budmrtn
  • 11361 Answers

SOURCE: Dynex TV will not turn on, red light on as usual.

The standby 5vdc is working but not the rest.
Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com

Posted on Jun 19, 2010

  • 2 Answers

SOURCE: Need the three digit code for using in RCN Remote

169 worked for me

Posted on Sep 21, 2010

  • 88 Answers

SOURCE: Our Dynex dx l40 10a

Turn the TV off, unplug it from the wall. Hold down the power button on the TV for about 20 seconds. Reconnect it and try to turn the TV on again. If the problem persists the TV is in need of some service by an authorized service center if under warranty. If not, look around for someone that can take a look at it in your area.

Posted on Jun 15, 2011

  • 1 Answer

SOURCE: I turn on my DYNEX LCD-TV model DX-L26-10A and the

I turn on my DYNEX LCD-TV model DX-L26-10A and the screen says 'Please Wait" for a few seconds and then I hear the voices for the channel, but there is no picture and there is a buzzing sound coming from the back of the unit.

Posted on Jul 14, 2011

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Main board fault. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

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Sounds like you are missing your 5VDC standby voltage from the power supply. You either have a blown fuse or a defective power supply. Did this happen out of the blue or after a T-storm???

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1 Answer

Our Dynex dx l40 10a will not turn on. red light on front is on and the speakers are making a pulsing buzz noise. when we slightly jiggle the area that the power cord plugs into it turns off and on...


Turn the TV off, unplug it from the wall. Hold down the power button on the TV for about 20 seconds. Reconnect it and try to turn the TV on again. If the problem persists the TV is in need of some service by an authorized service center if under warranty. If not, look around for someone that can take a look at it in your area.

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dont really know,would you be interested in selling it lik that?

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1 Answer

My dynex tv will not come on seems to be stuck in standby mode.


It sounds like the main power supply is trying to startup but failed because there is short circuits or the main power supply is bad. 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.

Nov 17, 2009 | Dynex DX-LCD37 TV

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