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My 40 inch tevion LCD keeps cutting out and going on standby mode then when it's switched back on the blue light goes dim. Sometimes takes 10 min to come back on any sugestions please??

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6ya6ya
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Posted on Jan 02, 2017

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ButtFuzz
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SOURCE: LG 37LF65 LCD TV BLINKS 3 GREEN THEN 1 RED THEN TURNS OFF.

Here's a link to the service manual for a slightly larger LG LCD TV. Perhaps it may be of some help? The troubleshooting section appears to be the same for many models of LG TVs...

http://www.observations.biz/MANUALS/LG_LCDTV/42LF66.pdf

Posted on Mar 12, 2009

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SOURCE: Insignia 37" goes into standby mode

I am experimenting with Insignia's and there is a feature whereby if a signal is not detected the TV will switch to standby mode (in about 10 - 15 minutes). It's documented as a tiny "note" in the manual under "Understanding the basics - Turning TV on or off"

I don't know if the TV resumes when the signal is restored or if you need to power on manually.

You are probably experiencing a glitch with the signal or the TV thinking the signal is not there. Are you watching a clear picture when this happens? I would first check to see if the signal is too weak (like using a signal booster). If that is not the case, it's probably the TV acting up.

I hope this helps.

Is this

Posted on Aug 10, 2009

panchal643Ja
  • 243 Answers

SOURCE: tevion 42 inch lcd flashing standby light and tv

If you can checked LCD Inverter Board & Micom Board.Most of Inverter board is defective.

Posted on Jan 23, 2010

  • 100 Answers

SOURCE: hitachi l32hp04u a my

hello coopa mark, usully it indicates on a powwer suplly problem.
some times its a bad capacitors

Posted on Feb 07, 2011

  • 7 Answers

SOURCE: my pioneer plasma tv in standby mode and wont turn on

Try restting it by unplugging the tv for a few mins and it should rest to original factory default settings but leave it unplugged 10-15 mins to be sure.

Posted on Dec 18, 2011

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2 Answers

My 15 month Celcus LCD423D913FHD tv will not turn on. The standby light is lit and will flicker but will not power up the tv. What is the likely problem?


Fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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I have a 46 inch lcd samsung flat screen. the picture will flicker.


when it flickers is it lines that go up and down or across the screen or is it flickering bewteen lighter and darker?

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My Coby 40 inch HDTV wont turn on. The blue light on front (standby?) is on but I can't turn it on. Help I don't wanna buy a new tv


I had a 32" Coby that did the same thing, turned out to be a defective main board. The main board wasn't sending the 3.3v signal to wake up the power supply. In my case I sold the tv for parts because it wasn't cost effective to replace the main board. It sound like your main board

Apr 10, 2012 | Coby Televison & Video

1 Answer

My pioneer plasma tv in standby mode and wont turn on


Try restting it by unplugging the tv for a few mins and it should rest to original factory default settings but leave it unplugged 10-15 mins to be sure.

Dec 18, 2011 | Pioneer PDP-4270HD 42 in. Plasma...

1 Answer

My Sony Bravia KDL-40S2000 keeps powering off by itself and going into standby mode. I have to unplug the tv and wait at least a minute to plug it back up and it works for about 11 min. and goes back out.


Problem may be the power supply,check in it thoroughly and find the falty components.Remove the faulty one and replace new one.
Such as components may be diod,capacitor,power booster.If you are able to do your self other wise take it to the workshop.

Dec 31, 2009 | Sony BRAVIA KDL-40S2000 40 in. LCD HDTV

1 Answer

The LCD display dims almost to black after 20-40 mins.


Power save settings or it may have an ambient light sensor that automatically adjusts the screen to "match" the surrounding light. Power settings in the control panel will hold the key.

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