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I have a LG TV model no 42PX3RVC-TA on switching the power the power light is on but there is no display even on pressing the menu button ,nothing happened

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: LG 37LC7D remote doesn't work

 I heard that Best Buy is still selling these models despite this known problem- I am trying to have mione fixed but was told the replacement part is on back order until DECEMBER!

Posted on Oct 31, 2007

  • 6 Answers

SOURCE: No power to TV

vizio does not sell their service manuals to the public.

Posted on Jul 15, 2009

dave1645
  • 834 Answers

SOURCE: I have a Polaroid LCD

blown caps in powe supply they will be domed from venting

Posted on Sep 17, 2009

rulds2008
  • 3866 Answers

SOURCE: Polaroid 4011-tlxb. Power to tv and it was turning

if you replaced the supply board then there is issues with the decoder board as you would need to chec kthat and see if its not the issue.

Posted on Sep 22, 2009

  • 65 Answers

SOURCE: I have an Emprex Model WT323 LCD tv.

Does the lights on the front have a pattern to them or does it just turn on green and stay that way? If the lights have a pattern or turns on green then goes to orange or some other color then I would start with the power board. If the light stays green the whole time then I would turn all the lights off and shine a flashlight up real close to the screen and see if you see anything. If you do then it is your inverter board which controls your backlights.

Good Luck

Posted on Nov 14, 2009

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1 Answer

Can i use chromecast on this model tv LG 42px3rvc-ta


Ought to work with HDMI. Suggest to try before buying or have a Return policy.

Most HDMI displays work with Chromecast, but not all will allow full Chromecast controls (HDMI-CEC for games, media functions with TV remote, etc.) If all of the HDMI ports on your display are in use, consider getting anHDMI Switcher

See Chromecast compatible televisions
When you see the model LG 43PX3RVA (nearest to your model) it is listed as '480p and incompatible. however the detail inside lists
Westinghouse LTV-46w1 HD

Apr 09, 2016 | LG Televison & Video

1 Answer

Best way to remove a parental lock from a lg plasma tv


LG Service Menu Instructions

Method 1

Press and Hold <OK> button on remote as well as TV panel at the same time for a few seconds.

Method 2

Press and hold the {MENU} button on the remote and the {MENU} button on the TV at the same time for at least 5-7 seconds.

Method 3

Press and hold the {MENU} button ON THE REMOTE until a 4-digit password screen is displayed.
LG Service Menu PIN/Password Codes
  • 8 7 4 1
  • 8 7 4 3
  • 7 7 7 7
  • 0 0 0 0
  • 8 8 7 8
  • 0 4 1 3
LG LCD Monitor Service Menu Instructions
  1. First turn off the lcd monitor, then press and hold the "MENU" button, then turn on the monitor. Release MENU button after the monitor is turn on.
  2. Press "MENU" button to open the OSD menu, at the bottom of menu, you can see a new selection to go into the factory service mode. Inside the factory service mode, you can see useful information like, product model, manufacturer date, F-ENGINE chipset version, lcd panel number and etc.

Mar 16, 2016 | LG Televison & Video

1 Answer

How can I open the service menu?


Press the helpful button and check link below for various models

First power off your TV using the remote, then press following buttons quickly on your TV remote:
Display (or i+) + 5 + Volume Up + Power
It'll show the hidden service menu on your TV screen.
Once you enter into service menu, you can press Menu (or Options) button again on your remote to switch between various service modes such as Digital, Chassis and VPC.
To navigate between available options press 1 or 4 buttons. To change or modify their values press 3 or 6 buttons.
To save your changes, just press Mute + 0 (or Enter) buttons on the remote.
To restore settings to factory defaults, press 8 + 0 (or Enter) buttons.
PS: For some new models the above mentioned method might not work. You can try following key sequence to access service menu in those new models:
While TV is on, press Left + Right + Mute + Center button + Mute + Menu buttons.

Hidden Secret Service Menu Codes for Sony Samsung LG and Philips TV
TV Service Menus Hidden features you didn know about

Jan 31, 2016 | Televison & Video

1 Answer

No buttons work on LG 47LG5000. Neither remote nor the TV side buttons work but I can access all features by holding down 2 buttons for 15 seconds (eg. MENU and INPUT held together first brings up the...


check to make sure you have power to unit. If you do you may have a internal power problem. Have you gone thru a recent lighting storm? If so see your home insurance co. For coverage to repair or replace unit.

Feb 07, 2014 | LG Televison & Video

1 Answer

TV TURNS ON BUT NO DISPLAY AT ALL.


do a reset by manually holding down the power button, sometimes that works

Jan 28, 2014 | LG 42PX3RV 42 in. EDTV-Ready Plasma...

1 Answer

42PM3MV turns on, but displays nothing on screen


some tv'srequire a channel button to be pressed or the on/off button on the remote to function try this , if you have then i'm stumped sorry.

Feb 15, 2012 | LG 42PM3MV 42 in. PLASMA TV

1 Answer

Lg plasma power problem picture screen work 42px3rvc


one board can cost 150 to 350 dollars (ONLY one and only the part plus labor) problem really frequent one board or two board often blows. About if you can, the service process is kind of hard to drop the tv from the wall unscrew like tons of screws and finally to find the short circuit, buy the part (s) and install it (em). Hope not adjustment needed after works (commonly YES) and Hope the board doesn't blow again because another problem was there before.

Apr 17, 2009 | Televison & Video

3 Answers

Instructions on how to change channels on TECHNIKA MODEL TA-13


Basic Instructions for Technika Model TA-13

On this model there are 7 buttons:
Left to Right these are:

PTT, Push to talk on lh side as screen faces you.
Power/Menu
Scan
Call
Down
Up
Torch Light (on rh side)

Assuming you have used the power button to turn on the radio, the default channel after installing the batteries is 1 or else the last channel to be used.

Press the power/menu button once-briefly, (the current channel will flash for about 10 seconds.) Then use the Up and Down arrows to change channel. Wait for the remaining few seconds and the radio will return to normal operation.

Press the menu button twice, the letter H or L will appear and can be altered by the Up and Down keys to change the power level of the radio. I think this is transmit power which may help you avoid infuriating local taxi companies. Switch back to High power when you're about to go out for the night and need a ride.

Press the menu button three times. This will turn off Squelch control and make a terrible din. Not terribly useful unless you want to pick up a really weak signal (or find out where the taxi driver has taken your neighbour.)

An easy way of finding a channel is to press and hold the Scan button and then the device will rotate through the available channels looking for a signal. When someone transmits, the scan will pause and you can capture it by pressing the PTT button for a second or two. I have found this helpful in pairing my radios with other sets, or picking out channels that work with friend's radios.

Finally, Volume control is really simple, just up and down when not in any other mode.

I had the instructions, which I think included a mention of all available channels I'll scan and post them if ever I find them. hope this part helps though.

Jan 29, 2008 | Radio Communications

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