Question about Toshiba 20DL74 20 in. EDTV-Ready LCD Television

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CAN NOT GET CABLE CHANNELS , WITH DIRECT CABLE WITH USING THE CABLKE BOX MODEL 20DL74

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  • kingston67 Nov 19, 2009

    i get all channels if i hook up to the verizon cable box. If i hook up the cable direct to tv with out box i get nothing. I was told this happens because my tv is a 2004 with out a tunner build in. THANKS

  • Philip Frye
    Philip Frye May 11, 2010

    this may be an odd question. Are you getting any channels at all?

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Yep! I agree - your tuner on the TV is not made for Digital reception.
You will still need to use the Verison Cable box to view any channels.

The newer TV's have the digital Tuners built in. Note: Plasma's are faster locking on to channels than LCD's.
Blessings,
A/V Media Guy.

Posted on Nov 19, 2009

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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't get all of my cable channels on auto program


Try to direct enter with the numbers on the remote missing channels one at a time and if get them add them manually using the feature in the main menu.

Be aware you might be better off with a cable box connected to the rear audio and video inputs on this set--hooked up that way you put the set to that input and change channels with the box plus no programming needed.

Dec 04, 2012 | Emerson 22" Class LED-LCD 720p 60Hz HDTV,...

1 Answer

Change from 2.0 to 5.0


Sounds like your Cable box audio settings are outputting two channels (stereo) instead of five channels (surround). It could be on an automatic setting, meaning whatever the digital audio stream coming from the TV channel is, your Bose system will play audio in that config. Hence why it changed from 5.0 to 2.0.
Go into your Cable box audio settings and change the output to Dolby Digital (or similar). You will also need to be connected via a digital optical cable from your cable box to your Bose 321 to output true digital audio.
If you post the make and model of your cable box I might be able to give you more direct instructions on how to do this if your still having trouble.

Oct 29, 2012 | Bose (321GS) System

1 Answer

I have a JVC tv model AV 27495. I hooked it to the cable with the cable cord. I can only get cable 2 channel. I can't access any channels. What do I need to hook into the cable? Do I need a box since...


Yes, with the Direct TV box it did all the tuning and your TV had only to be on one channel, normally ch 3 or ch 4. Now that it is not there any more your TV tuner must do the work. You now will have to tell the TV to search for channels. Use your remote and TV menu to do this. You will be able when the search is complete to see some of the cable channels but other premium cable channels you won't be able to see without a cable box.

Sep 12, 2010 | JVC Televison & Video

1 Answer

I have cable but only can get up 26 channels .i don't a remote control so can yo tell me how t program my channels


You have cable, but are you using a cable box? Sounds like you are running coax direct to the TV. Is this correct? If so, you will need to get into the menu of the TV. Locate "Connections" or "Cable Source" and select "Cable" not "Air" and then let it auto format. Will take several minutes. It will only make available the channels that come in through that line. Let me know if this worked.

Jul 01, 2010 | Durabrand BH1304D 13" TV

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I HAVE A SUMSUNG THAT IS HD, BUT IT'S NOT HDMI,i GET REGULAR CHANNELS, BUT WHEN I SWITH TO A HD CHANNEL, IT IS ALL SCRAMBLED? WHY?


I assume you have cable. The cable HD and digital channels are usually sent in Quadrature Amplitude Modulation (QAM). The cable companies are required to send local channels in the clear but not so for any others. Regular (basic) channels may be clear or scrambled. USA many not be but HBO will be.
So you have 1 of 2 problems: (1) your TV does not do QAM or (2) they have scrambled the channels you want to see. Questions: (1) Have tried direct Over-the-Air (OTA, ATSC) reception for your locals? (2) Can you see the HD local channels on cable? (3) Are you paying for an HD box from the cable company to have the channels decoded? If in doubt contact the cable company.
Current Samsung TVs do do QAM and OTA HD. Alternatives are Dish or Direct to get satellite with an HD receiver using HDMI or 5-cable RCA. Costs are comparable but OTA wins, hands down. -Ken

Aug 18, 2009 | Samsung Televison & Video

1 Answer

FLM3232 will not receive channels directly from Comcast Cable


Use the TV/Cable rf jack and auto program the TV.
Craig

Mar 16, 2009 | Polaroid FLM-3232 Television

1 Answer

Toshiba 20DL74...on/off


I had the same problem with mine and I finally figured out it was the power supply. I ordered a new generic replacement and I have'nt had a problem since other than a few noise lines in the lower channels and that might be because I didn't buy a Toshiba replacement which may have a filter in it. It has not shut off now for over a year.

Dec 26, 2007 | Toshiba 20DL74 20 in. EDTV-Ready LCD...

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