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NTSC tuning problem *solved*
http://forums.linhes.org/viewtopic.php?f=6&t=18140
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Author:  Joker [ Fri Apr 04, 2008 1:07 pm ]
Post subject:  NTSC tuning problem *solved*

First off I appologise if this is in the wrong place, I wasn't sure where to post it.

I am running 2 PVR-150's with analog cable, and a PVR-250 fed by S-video

Here is my issue, about a week ago the reception on both my 150's went to crap. There is not a signal problem, the picture is fine when I connect the cable directly to my TV. If I connect the coax cable to the 250 I get the same issue, the picture is perfect from S-video.

Here is the really odd part, if I switch the frequency type from ntsc to ntsc-jp the picture looks perfect, but all the channels are off by 2 (example ch52 tunes in ch54)

I am on charter cable in the st. louis metro area.

Any ideas??

Author:  tjc [ Fri Apr 04, 2008 5:33 pm ]
Post subject: 

Possible frequency standard change. My first move would be to call up the cable company and ask 'em. Next try the various options documented on the wiki here: http://www.knoppmythwiki.org/index.php?page=BlackScreenWatchingTV With three possible options it's easy enough to check them all.

Author:  Joker [ Fri Apr 04, 2008 6:09 pm ]
Post subject: 

You nailed it, I have verified that they changed their standard from cable-hrc to standard. All is good again. Thanks.

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