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    Digital Reception suddenly stopped


    This is a discussion on Digital Reception suddenly stopped within the DTV | HDTV Reception and Antenna Discussion forums, part of the Over-the-Air (Antenna TV) category.

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    1. #1
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      I have a Mitsubishi WS48515 with a built-in digital tuner. I had a homemade indoor UHF (loop) and VHF (dipole) antenna setup that was working beautifully. I received all digital channels popular in my area (Nampa, ID 83651) for a few months.

      Then one day (coincidentally, on Feb 28?!?), my fiance changed the channel and the screen went blue. No digital channels could be received!

      However, when I try to re-auto-program the channels, it steps through all analog channels and adds a bunch, but when it starts scanning the digital channels, it appears to add quite a few. But when I try to select those channels after the scan, they are not available.


      Any suggestions on the cause? I have applied for a coupon for a converter (external digital tuner) in the meatime in case I can't solve it. The TV picture is fine.

    2. #2
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      Perhaps someone could tell me the critical path of receiving a signal so that I might troubleshoot it. I.E. Transmitter, Antenna, Tuner, CRT, etc.?

      Thanks

    3. #3
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      If it's a Digital TV that has both Analog (NTSC) and Digital (ATSC) tuners, it's possible that the selection is on analog only. do your analog channels still work? some TVs have that option, where if you select analog mode you cannot tune to digital, and vice versa. that's one sad thing about the DTV Transition, that you'll no longer be able to diagnose your antenna by tuning in an analog channel to verify reception.

      Some Digital TVs have an 'TV/DTV' button on the remote. my guess is your fiance hit that button and tuned it to Analog mode.

      The only other guess is the antenna itself is bad, but if your TV is finding all the analog and digital channels you can rule that one out.

    4. #4
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      Maybe they did a reverse digital transition...going from all digital to analog only. JK.

      Critical path (in my opinion), would be first to check with another TV in your house that is equipped with a converter box or built-in digital tuner. If that television is receiving digital signals, you'll know that you've got a problem with your Mitsubishi or antenna connection to your Mitsu.

      If you can't do that, try checking all connections starting with antenna to TV. You may also want to do a hard reset on the TV itself, I believe the Mistubishi's have that option.

    5. #5
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      Did you try the simplest solution possible? Take all the component, unplug them all, and just leave them alone for a little bit. After about 15 minutes, plug them all back in after everything has cooled down and reset itself.

    6. #6
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      Perhaps it's atmospheric changes? Do you have line of sight to the transmitters? A hill might be blocking it

      maybe the tuner died?

    7. #7
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      Quote Originally Posted by pghmyn View Post
      Did you try the simplest solution possible? Take all the component, unplug them all, and just leave them alone for a little bit. After about 15 minutes, plug them all back in after everything has cooled down and reset itself.
      You'd be surprised the number of times 'rebooting' the box 'fixed' the box. esp when it loses reception and doesn't get it back on its own. you have to soft-reset it by pulling the plug and plug it back in a few seconds later.

      Same problem also if the box 'locks' up.

    8. #8
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      Any solutions?

      Mine stopped working too! It works for local digital stations, but I used to get other channels like NBC, but not anymore...

      Ours, is the coat-hanger antenna with 4 Vs on right and left side of the wooden bar

      thanks!

    9. #9
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      are you blocked from line of sight?

     

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