Toshiba 24Z33b - Horizontal White Line

Discussion in 'General TV Discussions Forum' started by efcmandan, Jun 2, 2005.

  1. efcmandan

    efcmandan
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    Hi,

    I have just brought a home a Toshiba 24Z33B, 24" Widescreen CRT TV to
    replace an old, but trusty, Daewoo 14" portable in the bedroom. I have a
    co-ax cable running from the back of the Telewest set-top box downstairs,
    outside the house and then back in at the bedroom into a socket, then a
    fly-lead into the back of the Toshiba. This setup worked perfectly with the
    Daewoo.

    Now, I've done an automatic tune on the TV and it picked up the usual four
    channels (even though there is no aerial plugged in!) and a fifth one which
    was the Telewest feed from downstairs, but there is a white horizontal line
    the full width of the screen that rises slowly from the bottom to the top,
    then again, again, again etc..... I have plugged a DVD player into one of
    the SCART sockets and the display is perfect.

    Does anyone have any idea what the problem is here? Like I say, it works
    perfectly on the old Daewoo 14" portable but not on the new set. I've only
    had the set twenty minutes, so not read the manual etc etc, figured it would
    be quicker asking in here.

    Thanks for any suggestions

    Dan
    :lease:
     
  2. JayCee

    JayCee
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    Take the TV downstairs and using a normal flylead plug it into the cablebox and see if this "Humbar" is still present........if it is, it's coming from the cablebox, if not the coax cable you ran upstairs may be picking up interference from somewhere.........it's possible this humbar has been there all along and it's the finer pic resolution of the new TV which is now showing it up.
     
  3. efcmandan

    efcmandan
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    Jaycee,

    thanks for the reply. I re-crimped my existing flylead (from TV to wall-socket in bedroom) last night, but it made no difference. I'll try what you suggested, tonight.

    Many thanks

    Dan
     
  4. efcmandan

    efcmandan
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    Ok, I've taken the TV downstairs this morning and connected it directly to the Telewest box with the co-ax flylead, same problem. I've brought the television back upstairs, connected a cheap aerial and done an 'automatic tune', and it found all five channels. When I fiddle with the aerial to get a decent-ish picture, there is no white line at all.

    I've spoken to Toshiba, and they think there's a problem with the output from the Telewest box. I tend to agree.

    Would appreciate any thoughts whilst I get onto Telewest to see if they know anything.

    Thanks

    Dan
     
  5. JayCee

    JayCee
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    Well I would think your next move is to ask Telewest to try replacing the cable box.
     
  6. efcmandan

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    Thanks Jaycee, they're coming on Wednesday!
     
  7. efcmandan

    efcmandan
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    Ok, Mr Telewest came this morning. Replaced my set-top box with a brand new one and the problem was gone. But then he realised that it didn't have audio-outs on the back of the box which I was using on my original box, so he replaced it again with a re-conditioned one, and the problem was back!

    I couldn't be arsed with faffing about in the end, so I told him to put the brand new one back in and the problem is gone. Strange really, he said he'd never seen this problem before.

    Now, the picture isn't *great* because it's going through the RF output of the Telewest box, as I already have a TV on the Scart socket. He mentioned that I can run another TV off a second Scart socket on the Telewest box, or just get a splitter? So, my question is, can you get a wireless video sender that uses Scart rather than RF/coax? Or am I barking up the wrong tree completely?

    Thanks for your help

    Dan :thumbsup:
     

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