Question about Toshiba 27AF42 27" TV

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Connected the coaxial cable to the tv but got no channels. the tv turns on but all I have is snow

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Some possible things to check:

1. Are you trying to receive off-the-air broadcasting? If so, you'll need a digital converter box. This set doesn't have a digital tuner, so there won't be any channels for it to receive without the converter.

2. Are you connecting a cable from a cable converter box, satellite receiver or FiOS set-top box? Your TV will need to be set to channel 3 or 4 to see the signal from the device.

3. Make sure the center wire in the plug on the end of the cable isn't bent over, and that it extends far enough (about 1/8 to 1/4-inch) to make a good connection.

4. Do you know for sure that the cable you are connecting is working? Is there actually a signal on the cable? It may be disconnected somewhere else (at a splitter, for instance) or there may not be any signal source.

5. Have you tried another TV to test the cable? If the cable works with another set, the tuner or antenna connector on the snowy set may be bad. If the cable connector is tightened too much when hooking it to the TV, the connector may be damaged and this can cause the snow.

Start by checking with a known good TV. If that one is snowy, you can check the other possibilities. If it works, you'll know the problem is in your set and can decide what to do (repair or replace).

Hope this helps! Thanks for using Fixya.

Posted on Nov 08, 2010

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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.

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I am trying to program the RCA ColorTrak Plus TV to my satellite receiver and I get nothing but snow


You will need to get a "regular" Universal remote and program it for that particular model of TV. You will need to access the on screen setup menu for the TV and then have it scan the channels. Make sure your DTV box is on and connected with the coaxial cable. If the "TV Input" button on your DTV remote works and you can get it onto the Video Channel, You can connect your DTV receiver with the RCA Cables (Red, White and Yellow) and get your picture that way. If you access the on screen menu, you will need to scan for Analog and Digital channels as the receiver transmits in Analog. hope this helps.

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Contact the cable provider to know about the signal type they are transiting by it. If it is digital type, you must ahve a set top box to convert it to analogue signals, which your TV can process. It sounds so.

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Unplug your television and turn the set around so the back of the set is facing you.

  • 2 Disconnect the antenna or cable connection from the television's "VHF," "Antenna In" or similarly worded port if it is connected.
  • 3 Examine your splitter and notice one end of the device has a coaxial port while the other end has two coaxial ports.
  • 4 Plug the coaxial end of the television antenna into one of the two coaxial ports on the splitter.
  • 5 Plug the coaxial cable coming from the cable television connection outlet into the second coaxial port on the splitter. Use the port next to the one you used to plug the television antenna into.
  • 6 Place one end of a 2 foot piece of coaxial cable into the single coaxial port on the splitter.
  • 7 Plug the other end of the 2 foot piece of coaxial cable into your television's "VHF," "Antenna In" or similarly worded port.
  • 8 Plug in the television set and turn it around so the screen is facing you.
  • 9 Use your television's remote control to access the "Menu," "Setup" or similarly worded function. Or press the "Menu" or "Setup" button on the front of the television.
  • 10 Select the "Channel Setup" or similarly worded function. Set the Input to "Cable" and perform an "Auto Scan" to locate all available cable television channels.
  • 11 Select the "Channel Setup" or similarly worded function, then set the input to "Antenna" and perform an "Auto Scan" to locate all available broadcast channels. Your television will locate both broadcast and cable television channels.
  • 12 Scan the channels on your television to make sure all available channels have been found. If you are missing any channels that you know you should have, manually program the channels into your television using the "Channel Setup," "Manual Channel Setup" or similarly worded function.
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    1 Answer

    I have an older tv with only a coaxial cable connection on the back, no others. I have a Magnavox dvd/vcr combo that does have RCA connections available and also a coaxial cable connection on the back. I...


    First make sure you have the cable connected properly.. on the vcr it should be connected to the OUT coaxial connector.

    Second.. the VCR usually has a VCR/TV setting..

    Most TV's must be set to channel 3 or channel 4 to output the signal from the VCR when getting the signal via Coax.

    So..insert a tape...hit play..tune the tv to channel 3 if you are not getting the playback signal..press the VCR/TV button on the vcr or vcr remote.

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  • Step 3 Connect the third coax cable from the coaxial cable "Out" jack on the RF Modulator to the coax cable "Input" on the television.
  • Step 4 Take one A/V cable, connect the red (right audio channel,) white (left audio channel) and yellow (video) from DVD player's "Output," to the corresponding DVD "inputs" on the RF Modulator. Place components as desired but still disconnected from power. Plug in all power cables including the RF Modulator's into the surge protected outlet strip.
  • Step 5 Make sure the Channel select switch usually found on the back of the VCR and the Channel select switch on the RF Modulator are both set to Channel 3. This channel is used on the television to view your components.
  • Step 6 Turn on the power strip and turn on the TV. Cable reception should come on as usual. Set the TV to Channel 3 and turn on the VCR. With VCR on test it by playing a video tape. The RF Modulator should sense the signal and automatically switch to "VCR."
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