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Why does my TV say no signal?
If your HDTV or Standard TV displays a "No Signal" error message, it may be due to one of the following issues:
Determine how many TV's are affected.
If it is one TV, continue to step two.
If multiple or all TV's are affected, continue to step five.
Ensure that your HDTV is on the same source/input as your MTS Ultimate TV service.
Press the TV button on your MTS Ultimate TV remote control.
Press the TV/Video button.
Wait 10 seconds.
Repeat steps b and c continually to cycle through all the available source/inputs on your TV until the correct source/input is selected. (ie. HDMI 1, HDMI 2, Component 1, Component 2, etc.) On standard TV's (non HDTV), you may have only 2 choices, TV or Video.
If the source is correct from step two:
Unplug the HDMI cable from your MTS Ultimate TV Set-top Box.
Wait 30 seconds.
Plug the HDMI cable back in.
Wait for the signal to initialize.
Make sure all cables connected on the set-top box and your TV are secure.
If the problem persists:
Unplug the power cable from the back of the MTS set-top box.
Wait 60 seconds.
Plug the MTS set-top box back in.
Wait for the signal to initialize.
If you are still experiencing a problem:
Make sure ALL Ethernet and/or Coax cables are securely in place.
Unplug the power from the MTS box labeled 2Wire or Pace as well as the affected set-top boxes.
Wait 60 seconds.
Plug the power back into the MTS box labeled 2Wire or Pace.
Wait for the broadband light to turn a solid green colour.
Plug the power back into the affected set-top boxes.
Turn the TV off with the front-mounted power button, not the
remote. Unplug the TV's power cord from the wall outlet. Let an hour
pass before plugging the cord back into the wall outlet. Turn the TV
back on with the front-mounted power button and wait until it has fully
restarted. Bring up a TV channel to see if the image being presented on
the LCD screen is no longer flickering. A momentary power surge can
cause the circuitry inside the LG-brand LCD TV to function erratically.
Unplug the video cable from the video connection on the back
or side panel of the LG TV. If more than one video cable is connected
to the TV, disconnect all of them. Disconnect the other end of the video
cable from the video source device that it's attached to -- a DVD or
Blu-ray player, or a satellite receiver or cable box. Blow off the
connections on the video source device and on the back or side panel of
the TV with bursts of compressed air. Reinsert one end of the video
cable into the video source device and the other end into the video
input that it was connected to. Turn the TV back on with is remote to
see if the picture is now free of flickering. A loose or partially
connected video cable can cause the LCD TV's screen to flicker when
presenting an image.
Turn the TV off and unplug its power cord from the wall
outlet. Place a power conditioner next to the wall outlet. Plug the
power conditioner's power cord into the wall outlet. Plug the TV's power
cord into one of the AC sockets on the power conditioner. Turn the
power conditioner on. Turn the TV on to see if the picture is now free
of flickering. The RF signals in the electric line that the LG TV is
drawing power from can cause flicking through interference patterns
If your remote serves multiple units, make sure it's in the right mode for your TV. (not dvr, dvd player, tuner, other source...). If the TV will not turn on manually (with the power switch on the TV), then make sure it's plugged in and there is power at the plug (try a different power source). If your remote has been out of battery power, sometimes it needs to be reset / reloaded with the correct code for your TV. Check your remote and / or your TV manual for the procedure.
Hello! First: disconnect any signal source from your TV, including cable. Unplug TV off the wall or power strip. Let it sit for a minute or two. Plug power back in. TV might turn on itself, might not. Depends on configuration. Turn it on manually, using set's "power" button. Observe the behavior. Lines? TV need repair! Not an armature job. Lines gone? start to connect signal sources back, starting with cable. Observe the picture. No lines? Proceed to the next source: DVD player, and so on. At some point lines might return. Make note, what source causes the problem. Then, you may know what to do next. good luck, Alex.
There is an issue with the logic control board. If it is under warrantee, take it back. Otherwise if off warrantee try this procedures - (1)UN plug every thing off the TV instep for the power plug than un plug the power from the wall than hold down the? power button for 30seconds than plug every thing back in (2) subout the power and VGA cables as a test to make sure not a cable issue. (3) Remove anything that may be causing electromagnetic interference like a stereo - console TV or other high power source or emitting source like cordless phones etc.. Note that if a desktop pc, then verify your video card fan is working if it has one...if it is overheating, that can cause anomolies.
make sure everything is plugged in correctly. also make sure that the input/source of your tv is correct. If all these don't work, then:1. unplug both the tv and the ps3 2. plug them both back in 3. turn the tv on first make sure it is on the right hdmi source. 4. turn the ps3 on by holding down the power button for about 10 seconds until it beeps.
1.Power cycle the TV for a minute. Unplug it from power source then turn it on.
2.If it doesn't work, bypass any surge protector and plug directly to the wall socket.
3.Check if your power requirements is set correctly.
4. Try pressing the input button or source on remote control or TV panel.
5. Call service technician to check the TV.
We have a 42" LCD, model E421VA that had a problem. I called Vizio and they told me how to reset the TV. Unplug the TV from the power source, press and hold the TV power button (located on the TV) in for 30 seconds, then plug the TV back in and turn it on. Good Luck
My LG LCD HD TV was doing the same thing. I would turn it on and within about 10 minutes the screen would go black.
After much research and troubleshooting I ended up having to send it out for servicing.
Before you do that, try these steps
Is your TV plugged in to a power strip, splitter, UPS or other power sharing device? If so, plug it directly in to a wall outlet. If the TV is getting low power it can cause issues
Does your TV have other video sources plugged in to it? (Example, Digital Cable, DVD Player,XBox 360) If so, try a different source and see if the problem still happens. If the problem does away, it could be the source. If the problem still happens then its still a problem :-)
It sounds like your power source module is defective. I suggest you try to replace it from one your might find at a second hand store. Look on the back side of the power source device. It should list the output voltage (usually DC or direct current as opposed to AC or alternating current) and also lists the current in amps that it produces. Also inspect the connector to your TV so you can try to match the connector when you buy a replacement. Armed with that information (output voltage and current ability from the power source) pick through the modules you find at a second hand store. Make sure the voltage exactly matches. You can also purchase a power module which can produce more amps of current, but never less. If you are successful in finding a match, buy it - but you may need to cut off the old connector and some of the wire that plugged into your tv so that you can reuse the connector on the used unit you just bought. You will need to splice the old wires from the tv connector to the wires coming out of the used power unit. Assuming the connector on the used unit you purchased did not match your tv connector, you will also need to cut off the connector and splice the tv connector to the wires coming out of the used power unit you just bought. If this is too complicated, go to the manufacturer and try to buy a replacement or look at other places like eBay for a matching power unit to the original TV unit.
There is a possibility your TV itself has a short and is defective, although from you comments I think it is more likely you power source unit.