Question about LG 42LC2D 42 in. LCD HDTV

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Problem with monitor

My monitor is showing frequency outof range what can I do?

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Goto the safe mode and uninstall the video drivers and then restart the system normally and then reinstall video drivers.. 

Posted on Sep 28, 2008

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Samsung lcd


> replaced the bad capacitor

There may be more than one and when they fail due to service in the high frequency section of the supply, I find room to add multilayer ceramic capacitors parallel to each replaced electrolytic cap with a value of .01 to .047 uFd. Voltage of these are in the range of 50 volts or less and adequate to bypass and replaced capacitor with that or less voltage rating.

An example:

CK05BX473K Cornell Dubilier Mouser

This will bypass the electrolytic capacitor for high frequencies and potentially extend their life by decades.
The chemical in electrolytic capacitors breaks down nearly always creating internal gas pressure that shows itself by turning the flat tops into domes and reducing the capacitance and increasing the losses by orders of magnitude.

Jan 08, 2015 | Samsung Flat Panel Televisions

Tip

Trying to connect computer to LCD TV and get no signal?


Hi.


If you are trying to connect computer to LCD TV and get no signal, as a first thing do the following:

Double check cable and connection. If possible test different connections. Try using VGA, DVI or AV, depending on availability on computer and TV.

Ensure that Video drivers on computer are properly installed, and that the video adapter is working properly.

If you are using a laptop, ensure that you do not need to use a function button to enable the external display, this is pretty common on laptops.

If you are using a desktop, go to display properties, find the windows where you get the picture of two monitors, and ensure that both monitors are enabled.

On Vista try also using the 'Identify Monitor' button on Top. It is located on same properties panel as the two monitor, the main Display Property windows. From the same window you can also modify display resolution, as explained later.

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If still no luck, then it may be a problem of synchronization between TV and computer, in that case try the following.

  1. Turn off TV.
  2. Disconnect TV power cord.
  3. Restart computer.
  4. With Computer already on, plug back and restart TV.


....If that does not work.


On computer, go to display properties.

First try changing computer resolution. The TV max resolution may not be available on computer. In that case try lowering down to the smallest 16:9 resolution available on computer graphic settings (usually LCD TVs are 16:9), and if that does not work, set resolution to 800x600, just to test (picture proportion will be distorted, or you get squared box on a 16:9 TV).



If that does not work, open Display Properties. In Display Properties access Advanced, and then Monitor settings (XP). On Vista choose Personalize in control panel, then Display Settings, and go straight to Monitor Settings, in there again go to Advanced.

Under the advanced monitor settings you will find a tab called monitor, in there you find the monitor frequency. Try setting this to 50Hz, if that does not work try 100 HZ, that is the output frequency of your TV. If you get unsupported frequency, revert value to normal.

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on Jan 17, 2010 | Flat Panel Televisions

1 Answer

Freeview box is freesing what is wrong


This could be too much signal thanks to the Freeview retunes going on. Your aerial is more sensitive at some frequencies, so there's more signal power higher up the frequency range. The signals for BBC and ITV are among the strongest ones broadcast. If they are now at a point on the aerial's range where they are too strong for the TV then the tuner will over-saturate. The result is the same as no signal.

A simple and inexpensive diagnosis tool is a variable attenuator. The MA1620 on this page is perfect for that job:
Splitters amplified splitters and attenuators

It will give you a way to reduce the signal level at one TV without affecting the other TVs in the house.

Sep 16, 2014 | Flat Panel Televisions

1 Answer

My 32inch Murphy LCD TV can not find the new


This could be a problem to do with your aerial rather than the TV. However, your first action should be a "Factory Defuault" reset. Make sure the TV does a full retune rather than just looking at the channels where the stations were previously.

The TV will have a flat response through the channel frequency range. Your aerial though could be a very different matter. Depending on the type of aerial, and especially if it's a banded aerial that discriminates against certain frequencies, then the retune may well have moved certain channel into frequencies that your current aerial really struggles to pick up.

You don't say what your TV region is, so I can't be specific because you didn't give the necessary information in the question. But I'll give you an example based on my region which is North West England, receiving off the Winter Hill transmitter.

Anyone with a Group C/D banded aerial will be okay picking up most of the channel muxes because they're grouped up at the top end of the frequency range (ch 49~57). That's pretty perfect for a C/D aerial. However, the new Freeview HD channels that give BBC 4 HD, 4 +1HD, BBC News HD is down at ch 37. A C/D aerial will struggle to pick that up because it is far less sensitive at that frequency, and particularly so if it is a contract Yagi type aerial.

The majority of aerials fitted though are the so-called Wideband High Gain. These favour the upper end of the frequency range again. So channel 37 will be picked up. But is is much weaker than the other muxes.

Sep 03, 2014 | Flat Panel Televisions

1 Answer

Why is it recommended to have a roof aerial for the DVBT broadcast? a; In order to receive any signs of DVBT broadcasting stations, from a great distance b; In order to receive more signs of any D


First thing to think about is what frequency of radio is DVBT on ?
I think you will find that the Analogue tv was VHF where as digital tv is on UHF .
This means that the wavelength of radio signals on UFH is smaller and as a result radio waves do not bounce as readily in the Air and thus the coverage range is less efficient as compared to VHF.
Also being a smaller wave length a new antenna that can cater for the different frequency ranges of digital TV would be required
To efficiently receive a radio signal the antenna's yagi elements have to each be at a length that is at a multiple of the wavelength of the radio frequency. Either 1 or 1/2 or 1/4.
wavelength = speed of light (299792458 metres per second)/ frequency in hz

Feb 26, 2013 | Flat Panel Televisions

1 Answer

I LOST MY REMOTE AND I NEED CLOSED CAPTIONING BECAUSE I AM HEARING IMPAIRED. WHERE CAN I GET A REMOTE?


Check the make and model of your TV ... You should be able to order a new remote through the manufacturer (try going through the online customer service from that company and they should be able to help). It might also be cheaper to go to an electronic's store and buy a universal remote. If you are going to go for the universal remote, make sure to ask someone at the store for help finding a remote that you can set WITHOUT the old remote.
There are some universal remotes that you have to program using the old remote -- it senses which frequencies the remote uses, and mimics them. If you have lost the old remote, then buying one of this type of remote will not do you any good ... so please make sure that you know what you are getting before you pay for it :-)
There are other universal remotes that have a list of pre-programmed frequencies, and you just have to search through the list to find the right one. This usually means that you will have to sit in front of the TV for a while hitting the power button. As the remote tries to set it's program, it starts at the top of a list of frequencies used by TV manufacturers, and each time you hit the power button, the remote sends a "turn on/off" signal in the frequency range that it is on, and then switches to the next frequency. As you hit the power button, the remote scrolls through the list of options, until it actually turns your TV off or on and you stop hitting the button. Then the remote holds the frequency range in it's programming, and should work just like your old one.

May 24, 2011 | Flat Panel Televisions

1 Answer

When I connect my media player via the HDMI input the tc displays a message saying "out of range", the sound plays but no picture? I dont have a user manual so I am unsure what this means.


Hi 'Out of range' usually means there is a wrong setting on the media player usually the refresh rate is too high, try using a component or scart lead if possible to check the setting for the media player output matches that of the specifiactions for the tv, usually 50hz for the uk or 60hz for some other coutries, you could also try altering the HDMI frequency settings of the tv to see if you can get a picture this way.

alternativelty if possible you could try to connect it to a pc monitor to access the media players menu to change the refresh rate or frequency to one that the tv will accept.

hope this doesn't sound too complicated and that you have some luck.

Midge.

Feb 10, 2011 | Flat Panel Televisions

1 Answer

Does a dynex tv connected via vga to PC come up as a genaric monitor in windows display panel? Is this normal? or is there a way to make it identify it as a large screen tv for better resolution range?


If windows cannot identify the monitor that you have connected it will show up as a generic monitor. If you are able to find a driver for the monitor then windows will show that particular monitor instead. If Dynex has a website you can check there to see if they have a driver for your TV, or you can check under there support section to see if they suggest anything that might help.

Mar 02, 2010 | Dynex 19 in. LCD Flat-Panel HDTV

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Out of range frequency


Lower the PC display resolution to a lower refresh rate.

Jan 09, 2009 | LG 42LC2D 42 in. LCD HDTV

1 Answer

Red Attention sign on screen


Try this. The signal timing of the monitor is picky in the fact that it must have 60hz. Try changing the source of whatever is feeding that monitor to output 60hz signal. That should fix your problem.

May 14, 2007 | NEC LCD4000 40 in. HD-Ready Television

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