Question about LG DU-42PX12XC 42 in. Plasma HDTV

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Not see any screen

Tried to turn tv on with remote and it wouldnt turn on so I hit the power button on my LG could see the power light turn green but screen

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Replace mainboard

Posted on May 27, 2009

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Posted on Jan 02, 2017

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Converter box will not stay on - starts green light then switches to red


I have one of those right here attached to my computer so I can watch TV on the PC. The red-green light is the power indicator. Your converter is turning off for some reason. Possibly it is getting a signal from another remote, and turning off. You can block the converter's remote sensor with something (black tape works) and then change the channels with front panel buttons if it has them.
Mine has power buttons for both the TV and the converter, so watch out for that.

Apr 06, 2017 | Televison & Video

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Mitsubishi wd-73738 turns itself back on


Hi,

It sound like the remote is powering off the cable box but not the TV. The remote control may need to be reprogrammed to the TV. When you press power it may only power off the Cable box. At that point, try pressing the TV button on your remote and then Power. If it does not power off the tV after pressing the tV button, the remote may need to be reprogrammed to the tv. Cable companies usually have the codes needed to program their remotes to the TVs.

Jul 09, 2016 | Mitsubishi WD-73738 73" 3D Ready DLP HDTV...

1 Answer

I cant seem to power on


Try pressing and holding the button for a second or two. You may also try using a remote control to power on the tv

Jan 06, 2015 | Televison & Video

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Sharp aquos won't turn on


if it was a new tv you can ask the supplier for check up it was covered with warranty.

Sep 22, 2012 | Sharp AQUOS LC-22SB28UT 22" LCD TV

1 Answer

Can set up th remote control for this tv with the direct tv cable remote


Here's how to scan for TV codes on your DIRECTV remote

1.Make sure your TV is turned on.

2.Slide the mode switch at top of remote to "TV".

3.Press and hold the MUTE button. This is located above the number 1 button.

4.While still holding down MUTE, press and hold the SELECT button until green light at the top of the remote flashes twice.

5.Then enter 991, the green light on remote should flash twice.

5b. Press 1 again (it will flash twice again), then you press the power on button at the very top right.

6.Point remote at TV and press CHANNEL UP button. Tap the CHANNEL UP button repeatedly until the TV powers off.

*If you hit channel up very fast, you risk going past the code. Pressing channel down will back it up. I alway hit channel up very fast till the tv turns off, then back it up slowly till it comes back on.

7.When the TV powers off, press and release the SELECT button.

*Note: If the green light flashes three times before TV responds, then all codes have been cycled through. Our remote controls are guaranteed to program to your DIRECTV receiver, however your TV may not be compatible with our remote control.

Mar 05, 2011 | Curtis LCD2425A TV

1 Answer

The green light is lit on the TV but the screen is black


Could be a bad powersupply in the TV since you did unplug it and try to start it up it maybe you got a bad power unit inside these can be replaced for under $150. If you Tv is under warranty I would suggest you bring it in for a repair. Thanks for using Fixya.com please hit the ACCEPT button and give a good review thanks.

Aug 18, 2009 | LG 32LB9D TV

1 Answer

LG 42 LCD no sound or picture


Did anyone find out the solution for this??????? I have the exact same problem with my LG 32 LCD. I only had it for a year and a half, and the green light blinks a few times and it shows no picture. Not even a red light when the tv is off. The same thing happened a couple weeks ago and by some miracle it started working again.

Jan 28, 2009 | Televison & Video

1 Answer

TV won't turn off


Problem solved. I opened the configuration menu, went to Setup, More, Light Effect, changed setting from "Always" to "In Watching TV".

Dec 09, 2008 | Samsung LN-T4071F 40 in. LCD HDTV

2 Answers

Channel keeps changing


It sounds like a stuck button or switch. What happens when you hit the channel DOWN, does it still keep scrolling down?
Is this with or without the remote?
Have you tried it with the remote and or the TV?

Let me know whether you are changing the channels with the remote or the buttons on the tv and I can try to give you a couple more suggestions.
Mac =)

Feb 12, 2008 | Televison & Video

1 Answer

Green Light on, but nothing working.


http://www.nintendo.com/consumer/systems/wii/en_na/ts/power.jsp#shut_off

Dec 11, 2007 | Nintendo Wii Console

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