Question about NEC PlasmaSync PX-42XR3A 42 in. HDTV-Ready Television

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Loss of Signal

While operating normally, the screen goes to black with the message" No Signal, No Input Signal" This is preceded by AV1 box appearing in the top left corner and V Freq: 25, 720 x 576 in the bottom right corner of the screen.
TV has been to a repairer who replaced the Digital board and the Power board without the problem being resolved. I cannot believe that we are the first ones to have this problem but no one seems to have any idea about how to fix it!!

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  • NEC Master
  • 23,128 Answers

Check your connections from whatever you are viewing from.

Posted on Jun 13, 2017

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Posted on Jan 02, 2017

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I would like help with setting up....I have the cable from the digital cable box going into the TV and still saying that is not receiving a signal


Without more details it's hard to answer this, but here goes...You should have a button on your remote that says "input" or "Source". Use your remote to check what the input is set to. Change the input and see if your signal comes in. There will be several choices. If you have a digital box it has an HDMI port, so does your TV. Normally the cable box HDMI goes into HDMI 1, or 2 on your TV. The cable just screwed into the cable inlet o the TV will be something like "AV" or "AV1" Ideally, you want to run one HDMI cable from the box to the TV. It carries sound, high def video etc; It's the only cable you need. let me know if any of this helps.

May 03, 2015 | Televison & Video

1 Answer

How do I get sky tv through my philips mx5100vr home theatre


External Input Mode (for VCR features) To receive the signal from an external input (decoder, satellite receiver, video camera, another VCR etc.), connect to the AV2 (DECODER) socket, and enter "002" with numerical key pads to appear "AV2" on the TV screen.If you use the AV1 (TV) socket, enter "001" with numerical key pads to appear "AV1" on the TV screen. If you use the front AUDIO/VIDEO input jacks, enter "003" with numerical key pads to appear "AV3" on the TV screen.

Apr 25, 2015 | Philips MX5100VR System

1 Answer

How do i change the input


The 27" TV uses the same instructions as the 20", and I found the manual for you at the link below. Answering your question directly, here is the section of the instructions about changing input:
-----
Changing the TV's Input Normally, your TV displays the signal coming through the antenna terminal. However, if you've connected another component to your TV(such as a VCR & DVD) using the Video/Audio input,you will want to be able to view the signal from the component.To do this, you will need to switch from the ' TV ' input to the 'AV1-AV3, CVI' Input, as follows. 1 With the TV on, press the MENU button twice, then " Set-Up " menu will appear. 2 Use the WCHV buttons to select " Input ". 3 Press the CVOLB buttons to change the input source from ' TV ' to 'AV1, AV2, AV3, CVI'. 4 Wait 20 seconds, or press DISPLAY button or MENU button to return to normal TV viewing. * CVI means the Component Video Input (Y/ PB/ PR) from the DVD player etc.* Users can also select these input modes with the TV/AV button or the INPUT button on theremote controller. * On the AV1 mode , if you connect the S-VHS jack to your TV, "AV1" is changed to "S-VIDEO".
----------------
The link to the manual is below.

Jun 01, 2014 | Daewoo DTQ-27U4SC 27" TV

1 Answer

I have a no signal prompt on my jvc flat screen, the Verizon fils box is working, how do I fix it?


Make sure you have selected the correct INPUT. Many TVs have several from which to choose. Locate the INPUT or A/V button on the TV or remote. Press it once and wait up to 3 seconds to see if the picture appears. Repeat to cycle slowly through all inputs until picture appears. Some TV / remotes have buttons labeled AV1, AV2, AV3, etc. or similar do go directly to the specific input as opposed to cycling as above. Press each - one at a time - and wait up to 3 seconds for picture to appear.
If unable to display a picture, check A/V cables at cable box and TV. Note which input is being used on the TV for the cable box. Then select the same AV input on the remote that is being used on the cable box.
If still no picture, contact cable company / Verizon for service.

Jun 26, 2013 | Televison & Video

1 Answer

My samsung 940N acts like a florescent tube, tries to start and doesn't


Use the self test feature.. follow the steps..

1. Turn off both your computer and the monitor.
2. Unplug the video cable from the back of the computer.
3. Turn on the monitor.
If the monitor is functioning properly, you will see a box in the illustration below.
This box appears during normal operation if the video cable becomes disconnected or
damaged.
4. Turn off your monitor and reconnect the video cable; then turn on both your computer and the
monitor.
If your monitor screen remains blank after using the previous procedure, check your video
controller and computer system; your monitor is functioning properly.

Warning

The Power supply inside the monitor can be hazardous and donot open the monitor while power on.

Donot work with the monitor when it is open and the power supply is on.

If there is something wrong with the input signal, a message appears on the screen or the
screen goes blank although the power indicator LED is still on. The message may indicate
that the monitor is out of scan range or that you need to check the signal cable.

Feb 13, 2010 | Samsung SyncMaster 940N 19 inch LCD...

1 Answer

My plasma LG TV has a black display box in the top left corner of screen. No words or text in it, just a black box covering that coirner of picture...how do I get rid of it?


There should be a button on your TV remote that will be called "Display" or "P in P".
The display button usually displays which input you have selected, such as: SAT for Satellite; AV1, AV2, AV3 or AV4 - depending on how many inputs your TV has, to plug in devices like a VCR or DVD recorder/player.
Otherwise, if you have a more sophisticated TV, it could be that you have accidentally pressed the "P in P" button, that selects the Picture in Picture mode. If you have done this, your TV will display the main picture of the input you have selected, plus another input, (such as SAT or AV1 or AV2 etc. as I've mentioned above). If the AV1 or AV2, etc. input is not active (not switched on) then that input will only display a blank (black) picture in the top left corner of the screen.
Hope this helps...

Nov 17, 2009 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

''no signal'' message on blue screen after watching for 10-30 min


First try another signal input like a DVD player or other source, is the signal displayed ok? Then you have lost the signal on one input from whatever the device is.

Mar 16, 2017 | Spectroniq PLTV3250 32 in. LCD TV

1 Answer

Hello, My color isn't right on my computer. The box that pops up says "RGB no input signal". How can I fix this problem? Thanks Debbie


REMOVED THE 15 PIN PLUG - I GET A SCREEN MESSAGE - SYSTEM CABLE DISCONNECT! WHEN I PLUG IT BACK IN THE MESSAGE RGB NO INPUT SIGNAL APPEARS FOR A FEW SECONDS THEN THE MONITOR GOES INTO STANDBY AND THE SCREEN STAYS BLANK,

I ALSO PLUGGED THE MONITOR INTO MY LAPTOP AND THE SAME MESSAGE APPEARED

Nov 18, 2008 | Computers & Internet

1 Answer

No input signal


Check connections, Hertz rate, and settings (if you can read them). Otherwise, it may be time to whip out the cash and get a new monitor and/or computer.

Aug 17, 2008 | Computers & Internet

1 Answer

No picture no sound


Make sure you are selecting the correct input on your TV for your TV tuner, sat or cable box.

There are three ways to do this:

1. With the tuner or cable box turned on (you can do that manually or with its remote) use the TV's remote to cycle through all the inputs, until you find the correct one and take note of the name of the input that appears on screen, or

2. Look at the back of the TV and see where it is connected. It will say the name of the input, such as "HDMI1" or "AV2," etc. Then select that input on your TV with the cable or sat tuner turned on, if you have one.

Consult your TV's owner's manual, which will give more information on hookup and selection.

Hope this helps. :)

Nov 17, 2007 | Hitachi 50UX26B/27K 50" Rear Projection...

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