Panasonic Viera TH-42PZ85U 42 in. Plasma TV Logo
Posted on Mar 19, 2011
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I have a problem with direct tv. It now says Channel not available (no signal).

1 Answer

Chi Chu

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  • Panasonic Master 8,457 Answers
  • Posted on Mar 19, 2011
Chi Chu
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Joined: Jul 01, 2009
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The direct tv box is the problems and the causes.Unplug,replug the direct tv box about an hour later for the box to reboot and upgraded it software.The direct tv signal should be back.If still not getting a signal for channels,the direct tv box have problems.Call the direct tv customer service,exchange for a new direct tv box.Should solved ur problems.

1 Related Answer

Anonymous

  • 396 Answers
  • Posted on Oct 24, 2009

SOURCE: When I turn on the tv, I get the Direct tv signal

big red
go to the menu setup satelite go to check signal strengh if it reads les than 95 % check all your connections might be a loose wire

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0helpful
2answers

How to do channel search

go to the Menu and you should find it.
0helpful
1answer

I want to save the channels and turn my antenna to another direction and scan I loose the channels that I had can I save them some how?

The only way that I solve this issue is to write down the channels available from one direction on paper. Do the scan in the second direction. Return the antenna to the first direction and then manually add the rest of the channels. Depending on the TV, you either type in the channel number with the remote control or find a Add Channel option in the TV Channel sub-menu.

At least with my TV that doesn't have an Add Channel option in the Channel section, going to a digital channel with the remote doesn't store the channel number if the signal isn't strong enough for the tuner to resolve. Analog channels can be added when the signal is poor.

If you know all of the local channels in each direction from AntennaWeb ( http://www.antennaweb.org ) or TvFool
( http://www.tvfool.com ), you can use that documentation to add the channels at each antenna direction.

I hope this helps. If you use an electronic antenna rotor with a remote control, you may be able to program turning the antenna automatically when you change the channel. Check the documentation for the device to program this.

Cindy Wells
(Note: on my TV that adds channels only when I type in the channel number, recorded digital channels can disappear from the list if if I visit a channel with poor signal strength. Until the antenna is directed towards that transmitter, I can't add the channel back into the list.)
0helpful
1answer

How can i get local channels on my rca tru flat tv BD20TF10

The RCA BD20TF10 was manufactured before digital tuners (ATSC) were required. It only has an analog (NTSC) tuner so you will need a digital to analog converter box to watch most local channels. (These were the boxes available with the discount coupon as the ATSC broadcast transmitters were enabled.) Depending on the converter box model, use either the composite video input or use the RF antenna connection. If you use the RF output from the converter, you will need to set the TV to channel 3 or 4 (set the switch on the box to match). Then follow the directions for searching for channels with the converter box.

You may be able to find a low power analog station still broadcasting. However, you'd need to be close to the transmitter or have an antenna that is rated for a long-range signals. (Usually this will need to be an outdoor antenna with few obstructions between the transmitter and the antenna.) To scan for any available NTSC channels, make sure that the TV is set to TV mode. Then press Menu. Use the Up/Down arrows to highlight Channels and press OK. Select Auto Channel Search and press OK. You may need to confirm this step by highlighting the Start Search option and pressing OK. This will also let you add the appropriate channel for watching the signal from the converter box with the RF cable. The manual for this TV is available from Sears Parts Direct here: http://www.searspartsdirect.com/partsdirect/user-manuals/BD20TF10-Rca-Parts-Television-Parts-manual . The direct link to the manual is http://c.searspartsdirect.com/mmh/pd_download/lis_pdf/OWNM/L0312126.pdf .

I hope this helps. I'm not sure if the Menu feature is available from the front panel buttons. You may need a remote with a matching code to do the channel scan.

Cindy Wells
0helpful
1answer

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.
0helpful
1answer

Phillips 47 inch flat screen tv is 4 years old tv comes on but a box says no signal comes up what do I do

Check that you have the tv set to the current input and the correct channel (esp you have a set top box feeding the TV signal). Make sure that device is on and working. Check the cables for damage.

If you are using OTA, make sure your antenna is rotated in the correct direction. If you use an amplifier or splitter, try the signal strength without the accessory. Replace if the direct connection helps.

If the TV is connected to a computer, make sure that the port is active and sending a signal.

If none of these help, you may need to replace the video board or tuner (or both) depending on your source. (Some parts are available at partstore.com and shopjimmy.com (which specializes in minimally used parts from electronics damaged in shipping.)

I hope this helps.

Cindy Wells
2helpful
1answer

Is the PT50LC13 a digital TV? I didn't buy a converter box thinking that the TV didn't need one, but over time and unable to see any channel even with one, I wonder if the TV is indeed digital or not. I...

This tv only has an analog tuner (NTSC). That is why it works with cable and dvds. You will need a converter box to view OTA signals. (In addition, digital signals have a firm cut-off of signal strength; if the tuner doesn't get enough signal the channel will not be available.) So check with antennaweb.org or tvfool.com for details on the antenna direction for your area channels. antennaweb is very conservative in the channel listing it provides (even with the assumption of an external antenna). tvfool gives the color specifications of the antenna that should receive a given set of channels in your area.

The converter boxes are still available from select vendors but the government coupons program is not. Here's one that is listed as in stock: http://www.radioshack.com/product/index.jsp?productId=3150939&CAWELAID=198809366 . This is one of the standard definition output boxes. High Definition digital to analog converters also exist but are more expensive.

A cheap alternative may be to use a PC TV tuner (either USB or internal card) attached to the antenna and then output to the TV. This TV has a VGA port. (If you want to use component video in on the TV, you will need to check if your video card will support the non-RGB signal or a converter box for that.)

I wish that I could be of more help.

Cindy Wells
(many shows are available online either from the networks or from hulu.com)
0helpful
2answers

When I turn on the tv, I get the Direct tv signal

It ur Direct tv converter box,unplug and replug or turn power switch off/on again so the box can reboot get a new and updated informations.It well back in the air if not must call the direct tv customer service for the disk check,it not ur tv.
1helpful
1answer

All we are getting is a pixilated screen and no sound. Dvd's play normally

OK. This should be simple. If you are using a TV with a built in digital tuner like all the HDMI ( High Defintition Media Interface) flatscreens then you probably need to go through your set up menu on your Digital TV and select Initial Setup / Channel Input / Cable / Satellite if coming directly from a dish on 75 Ohm Coax / or Cable if coming directly from the outside 75 Ohm coax with analog signal. ( When I say DIRECTLY, I mean you are not going through any boxes and changing or passing the signal). All satellite direct connects are digital and all satellite converter boxes have multiple out puts these days. There is an HDMI output for high def and low def analogl to digital (A/D) signals coverted within the TV, sometimes there is a DVI or even a USB out put connector...and there is a 75 Ohm coaxial RF cable connection for all the old schoolers who do not have a widescreen digital TV. RF means Radio Frequency and uses Radio Frequency Channels 3 and 4 at the bottom of the RF band around 56 MHz to which any TV with an Analog Tuner can use. In the old days this is what was used for the connection to the TV from the cable boxes because our TVs did not have the capability of decoding analog pay channel signals, hence the little black boxes sold and used ONLY by cable thieves and not any of us here on fixya. For starters, let's make sure you are using your high def, dvi. or some format of digital It sounds like your TV is set up to search and code digital signals but is looking for the wrong carrier frequencies, meaning it is either looking for decoded digital satellite box signals, digital broadcast ( New Digital TV received via an Antenna). Once your TV scans for channels in the cable mode they will be memorized and available on your channel up / down keys and Favorites. (FYI t will scan for both digital and analog channels on antenna mode). Repost if you have troubles or refer to your users manual.
0helpful
2answers

New tv. won't work

Press the input button and select where you have the satellite plugged in.
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