Question about Mitsubishi WS-55809 55" Rear Projection Television

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Flashing channels every channel is flashing and distorted with lines. its not the cable box or the power source (we've attached another t.v. and it works fine)...we can't figure out what the problem could be...any help would be appreciated! i really don't want to buy another t.v. !!!

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Does your set act up when you play DVD's ? If you need more
help,please verify Model # and mo / yr built on back of set

Posted on Dec 26, 2007


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Posted on Jan 02, 2017


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1 Answer

What settings do my Samsung tv need to be on to link a digital cable box

The digital cable box will most likely connect via an HDMI connection. Simply ensure that the SOURCE selection for the set matches up to the HDMI port that the digital box is attached to. There is no need for any kind of channel scan when using this type of connection as the cable box acts as the digital tuner. If you are coming into the set on the coaxial cable line, then that is a different story. Ensure that the digital cable box is turned on, then do a channel scan to locate the channel that the cable box is using to send the signal.

Mar 02, 2015 | Samsung Televison & Video

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Vizio 32" tv led why some channels scrambled

if not the cable source then the MAIN pcb (not power pcb) controls all tuning. If you're using a cable box & some channels good/some channels scrambled, then is a cable issue.

Sep 08, 2014 | Televison & Video

1 Answer

Tv does not respond to any input only shows nosignal to any device

Did the TV's source get changed? If you use the Television remote and find the source or input button which switches between the video sources for your TV such as HDMI, A/V, Television Tuner,, VGA connector or Component video. If your using a cable box that remote only controls the cable box and possibly the TV power and volume but the cable box remote does not change the source input of the TV. Most Cable boxes rebroadcast their video on a specific TV channel and your TV must be set to that channel to receive the signal from the cable box. Let me know if this helps you out.

Aug 20, 2014 | Televison & Video

1 Answer

Televison station won't scan

If you are receiving a "No Signal" error message, verify that:
  1. All of the cables physically connected to the TV and the input device are secure.
  2. The input device is turned on.
Your TV needs to scan for channels before it can show programming from an antenna, from cable TV when the cable comes directly from the wall (no cable box), or from a cable or satellite box connected to the TV with a coaxial (RF) cable. Do not scan for channels if you have a cable or satellite box connected using AV (Composite), Component, or HDMI cables. The box selects the channel, not the tuner inside your television. If you are not using the "TV" input, press the INPUT button on your remote until the correct input mode is selected.
To perform a channel scan using the coaxial input:
  1. Press the INPUT button on your remote to view your current input source. The TV (coaxial cable) input must be selected. This may appear as "TV," "ANT," or the channel and call letters of a station.
  2. If the TV input is not selected, press INPUT until the TV input mode is selected.
  3. Open the on-screen menu and select TV or Tuner option. (This varies by model.)
  4. Highlight Tuner Mode and select the correct option:
    • Antenna-over-the air signals from an antenna
    • Cable-direct from the wall cable TV, or a cable or satellite box connected to the TV with coaxial cable
  5. Select Auto Search or Auto Channel Scan. (This varies by model.)
  6. When the search reaches 100% complete, exit to the menu.
  7. Check the available channels:
    • Antenna or direct-from-wall cable-Press the Channel Up and Channel Down buttons on your VIZIO TV remote to view the available channels.
    • Cable or satellite box- Will return only one channel. Use the cable or satellite remote's Channel Up and Channel Down buttons.
If this does not resolve the issue, power cycle the TV and then re-run the channel scan:
  1. Turn off the TV.
  2. Unplug the TV from the electrical outlet.
  3. While the TV is unplugged from the wall, press and hold the Power button on the TV for 30 seconds.
  4. Release the power button.
  5. Plug the TV back into the electrical outlet.
  6. Turn on the TV.
Note: There is also an option to reset the TV to the factory default settings. This option is in either the SETUP or SYSTEM section of the on-screen menu. The option may be "Reset all settings", "System Reset," or "Reset & Admin." Consult your TV's user manual for the location and steps for resetting your model.
  1. Remove the coaxial cable from the DTV/TV connector on the back of your television and perform a channel scan to clear the existing channels. See the procedure above. This should not find any channels.
  2. Re-attach the coaxial cable to the DTV/TV connector and perform a new channel scan.
This video shows troubleshooting steps to use when a "No signal" message appears.

Jun 25, 2014 | RCA 46 46LA45RQ LCD TV

1 Answer

Can connect iPad and Mac Powerbook laptop to my Sony 36

Hi Jim
It's not on a channel, it's the RGB or VGA inputs. (check your "Source" menu on the TV). Works fine here. When the units are talking to the TV the screen on the unit will go blank. One thing. When using your iPad, tghe battery will go down faster than normal.

Feb 20, 2012 | Computers & Internet

1 Answer

We have a LG42lx6500. when you turn it on after being off for a few hours the picture colour is distorted for a couple of minutes before correcting. At times you can see the individual pixels. Sometimes...


Make sure TV is on the correct channel or input. Check the cables for correct routing from TV to any other devices. Check cables to ensure they are tight and secure.

An analog signal converted to high defintion resolution will cause lines, blurriness or fuzziness in the picture. Change the resolution to a lower or native setting using the media device (cable box, DVD,). This may be an issue that requires a service call to cable provider.

A problem on one channel may just be a error on that channel. If using an antenna, it might need to be adjusted in order to ensure good signal strength. For digtal channels, go into TV Menu. Check the DTV signal. Weak signal can cause picture distortion.

If another device is being used such as a cable box, DVD player or VCR switch between devices and test picture. Check routing of cables that are used to control the image. This should be a series of red, white and yellow cables.

If a VCR with a cable box, make sure the VCR and TV are set to the correct channels for video signal to pass through. If problem is still occuring, try another set of cables. bad cables can cause picture distortion.

Bad cables can cause picture distortion as well. Try another set of cables. If picture is better than when using the cables replaced, this was the issue. If cables are not an issue TV may require service.

Apr 26, 2011 | LG Televison & Video

1 Answer

Timer recording will only record channel 3

Hello there,

This is most likely because the recorder is connected to a cable box. When setting the timer recording feature with a cable box as the source, you are not actually selecting the channel to record. You are selecting the recording source. The cable box sends all of the channels to the recorder using RF channel 3. In this case, the channel for recording will be whichever channel is selected on the cable box.

To help me give you a more definite answer, please can you answer the following quick questions:

1. Are you using a cable box?
2. If using a cable box, how is it connected to the recorder?
3. What is the model number of the GoVideo recorder, e.g. DVR4000?


Feb 18, 2011 | GoVideo Go Video DVD/VCR Combo

1 Answer

50HDX82 rear projection Flicker/Fuzzy and Vertical Purple Lines

The hyper module itself is not an expensive repair about $70 to $100.00 dollars. The tech will simply be replacing about a dozen 16v/10mf smd caps and re-installing it on the signal board. But that doesn't address what he has to do to get to it and get the hyper board off and back on the signal board and that is a bit time consuming.
What I would suggest is to call around to the various shops and ask what they charge for the hyper module repair and see if you can get an off the cuff estimate for around $250.00 dollars.
If you need help finding some reputable shops try for help in finding some of the best technicians available.

Jan 09, 2009 | Toshiba 50HDX82 50" Rear Projection...

1 Answer

Have cable tv and wanting to tape a certain channel

I would suggest that you disconnect the VCR from any signal source. UNPLUG the VCR from the power source [a/c] for at least one hour, more if possible. Before you are ready to plug the machine into a/c attach an antenna to the antenna INPUT, the VCR output goes to input of tv. [ DON'T attach cable box, or any such machine to the input of VCR.] Plug vcr into outlet and turn ON. Place TV-VCR switch on TV. [no remote control??] Change the channel MANUALLY, one channel at a time. If you see tv stations as you change the channel [KEEP changing until you have reached the " end of the line " of broadcast channels.] then you are good.Connecting the vcr to a cable box[ANY KIND!] you can only RECORD through the vcr what you watch on cable.

Dec 09, 2008 | Sanyo VWM-900 VHS VCR

2 Answers

Daewoo DVN-14F6N

Same problem...Went to Goodwill Store, they usually have a large basket of remotes. I found a Daewoo remote for a TV only, HOWEVER on the bottom it has a AIR/CABLE button. The remote doesn't say Daewoo on it only..."Remote Controller R-25B03". The rest of the button of course work with the TV portion of the DVN-14F6N.

Sep 17, 2008 | Daewoo DVN-14F6N 13" TV

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