Question about Vizio VO47LF 47" TV

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Powers on but will not find signal from satellite box. Can turn off and on and every so often it finds signal

All cables are good

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  • 213 Answers

Go to setting on the receiver and check signal strenth start with that

Posted on Jan 27, 2015

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Posted on Jan 02, 2017

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3 Answers

TV turns itself off?


I am sharing four cases in which your tv either turns itself off or appears to turn itself off.

TV appears to be off
  • You using your tv as a monitor or your pc is in sleeping mode.
  • Your cable or satellite Box is not outputting a signal.

TV turns iteself off
  • The sleep timer is set.
  • The off timer is set.

Your tv appears to be off:

If you are using the tv as a monitor If you are using tv as a monitor and the stand-by light only
blinks for a few seconds when you press the power button,your pc is in the sleeping mode. To take your pc out of sleep,press a key from your key board or move the mouse.Tv turns on.

If you are using TV with a cable or satellite Box

If you have a cable or satellite Box your Tv may appear be off because the cable or satellite Box is not outputting a signal.Press the guide or info button on the cable or satellite Box remote control.

if the screen displays info or guide data,the problem is caused by the Box,you must call your cable provider.
if screen does not display info data,change the source on your TV.

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Nov 14, 2014 | Televison & Video

3 Answers

NTSC connection with satellite


interchange the wires probably they could be broken when the movement occured.good luck

Jun 16, 2007 | Samsung SV5000W VHS VCR

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

Have no picture just keeps say no signal


Check the input jacks in the rear. Each should have a unique label. Pick one input that has cables connected to it. Note the input name. Follow the cables back to the device connected - DVD, BluRay, Cable / Satellite box, etc. Turn on the TV, and select the same input you noted above. Turn on the device connected to it (DVD, BluRay, Cable / Satellite box, etc.). If this fails, try again with a different device or connect the cable / satellite box to the antenna input and select ANT.

May 21, 2014 | Televison & Video

1 Answer

Wont find channels on auto channel search


Ensure that you have a good connection to your antenna/cable/satellite, and that you have selected the proper signal type in your TV menu.

If you are using a cable box or satellite, you might need to search for an analog signal on channel 3 or 4. If your cable/satellite box outputs an HDTV signal, then search the digital channels. If you are using an antenna, search for digital channels and set it the TV to Air in the Channel menu.

Apr 07, 2014 | AOC Televison & Video

1 Answer

No signal on my starview s2828+ box


Three things here the unit the cable or the LNB.
Simple things first Cable
1.cable
Check the satellite plugs on Both ends are correctly fitted and there is no shorting of the core central cable and the shield. Check the cable with a meter put a loop( connect core to shield at one end) on the other end and check resistance.
2. Unit
Check your unit with a know good setup a friends perhaps.
3. LNB the unit on the arm of the dish
You should be able to get a signal from the LNB with a alignment meter. or replace with known good to test

hope that helps

Dec 06, 2013 | Televison & Video

1 Answer

I have a 65" Mitsubishi dlp tv. Now when I connect anything (cable box, blue ray, ps3) to my 3 Hdmi ports the screen will flash like it is trying to receive signal. The picture will show then go away over...


make this test and fix it. God bless you
  1. Verify TV is plugged-in and getting power.
  2. Verify your home's power breaker has not tripped.
  3. Verify the batteries in the remote control are good.
  4. Verify you have selected the right input for Cable/Satellite, antenna, DVD, VCR or Game Console.
  5. Verify the cable/satellite box is plugged in and getting power
  6. Verify you are getting cable/satellite in other parts of the house
  7. Verify the VCR is plugged-in,getting power, and turned on.
  8. Verify that all wires are connected to proper place
  9. Scroll through input screen to verify you are watching the correct inputs
  10. Look at the FAQ on the manufacture's website or user manual

The Basics

Before we explore more complex tv troubleshooting techniques, we need to examine the basics. First, we need to verify the TV is securely plugged into a power outlet. Don't laugh, but failure to plug-in the TV is the number one reason reported why electronics do not work. Second, you need to verify the remote has fresh batteries. This can easily be overlooked. The remote can be working one minute and not working the next, so replace the batteries Finally, verify that all cables and connections are correctly and securely attached.

Nov 04, 2013 | Televison & Video

2 Answers

No signal onthe screen


If you are connected to a high definition cable box or satellite tv box you would not need to turn to channel 3 on your television. The television would need to be in the right input either component or hdmi. If someone connected the tv to the cable box or satellite tv box with a coax cable like an antenna cable then the tv channels will be available on channel 3 as well but they will not display in high definition. You change channels with the cable box/satellite tv box remote control. If the above is not correct and you are only connected to an antenna cable and not to a cable box or satellite tv box you will need to complete a channel search from the tv menu. It sounds like you are using a cable box/satellite tv box and that the tv is on the wrong input. If the cable box/satellite tv box is not working (i.e. just a black screen) on your television than that is a different matter entirely.

May 10, 2010 | Samsung LE32R41BD 32 in. HD-Ready LCD...

1 Answer

Satellite stations


Make sure the satellite receiver is properly connected to the television and that you are on the right input. Then make sure that the satellite receiver is properly connected to the cable outlet (common problem; people get the co-axial hook ups on the box mixed up).

If you are still not getting any signal, see if you can find the signal quality or signal reading in the main menu. Make sure that you have a signal at least over 80% (a few 0's on individual transponders are fine). IF you are getting some of your transponders, it's probably an issue with a connection, the dish, or the multiswitch. If you are not getting any signal at all, the cable is probably not connected to the system.

Sometimes, satellite receivers do go bad (just like any other electronic). If you know that the cable is good and that it's connected to the system and you try to hook up another receiver to the cable and that one works, then you can conclude that the receiver in question is faulty.

Feb 07, 2010 | X2Gen MV32T4 32 in. LCD Television

1 Answer

Combining output from dish home distribution with ota antenna


You should have your system setup in the following manner below:

You also will only be able to receive the HD locals with a HD OTA antenna. It is possible that you will need to turn the satellite off in this room to view the OTA's effectively.

Also you should use a splitter as depicted in the picture by the red boxes to combine signals of this frequency. The blue box is the diplexer on the incoming satellite feed and the black box is the seperator that most dual tuners use. If yours does not utilize this device you will have another cable coming from the outside of the house to the back of the receiver. The location of the ports on the back of the receiver in my diagram may differ in position on your receiver so obviously connect them to the proper port. I hope this ressolves the issue and there is no need to seperaate the signal at the remote tv as it will only be a duplicate of the same signal you have connected already as OTA and the TV2 backfeed are of the same frequency range.


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Sep 18, 2008 | DISH Network Televison & Video

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