Re: [PCWorks] Vertical lines or bars suddenly appear only on the ATI AIW TV tuner and MMC, comes and goes.

  • From: "Clint Hamilton-PCWorks Admin" <PCWorks@xxxxxxxxxxxxxxxxxxxxxxxx>
  • To: <pcworks@xxxxxxxxxxxxx>
  • Date: Tue, 12 Aug 2008 10:28:54 -0500

I posted the image on Ben's reply, with "Image uploaded" as 
part of the subject:

"BTW, I went ahead and uploaded an image from the TV.
http://www.orpheuscomputing.com/images/AIWproblem.png
In the image I was watching Fox News, you can see their banner
at the bottom.  Then I changed the channel and a commercial was
on, that's the guy in the hard hat.  As you can see, the "ghost
image" of the previous Fox News channel remains, and of course
you can see the pattern of vertical lines.  If I were to
continue to change the channel after that, the Fox News banner
at the bottom WOULD REMAIN on all other channels!"

Yes, my monitor is LCD.  But I don't think you understand how 
these work exactly.  The monitor has nothing to do with this, 
the TV tuner is displayed in a (resizable or full screen if 
desired) window using the MMC (Multimedia Center) interface. 
You'll see that in the screenshot.  That was the actual size of 
the screenshot of the image.  (You can click an icon on the 
controls to capture a still frame and that's how you get the 
image).  You can see there is no slant of the vertical lines, 
but there is a diagonal sort of "additional artifacting" 
pattern from upper left to lower right you can see in the 
image.
-Clint

God Bless
Clint Hamilton, Owner
http://www.OrpheusComputing.com
http://www.ComputersCustomBuilt.com


----- Original Message ----- 
From: "LarryB"


They don't sound out of line to me. I sure would like to see 
that video
signal with the symptom on a scope. Is the monitor you are 
using a LCD type?

Also I think I asked if the lines were top to bottom (vertical) 
with no
slant left or right.

No I did not see the image. Where did you upload it to?
I would check anywhere I could see the problem and then go 
backwards
from there. I were scoping the problem I would check the video 
to the
monitor and would expect to see the ripple or whatever and I 
would
follow it from there towards the source.

LarryB

Have a great day


Clint Hamilton-PCWorks Admin wrote:
> Yeah I know that much, but like l said I don't have a scope.
> Checking the AC is a good idea.  12v line is showing .001vac,
> 5v line is showing .0085vac.
> Thanks,
> -Clint
>
> God Bless
> Clint Hamilton, Owner
> http://www.OrpheusComputing.com
> http://www.ComputersCustomBuilt.com
>
>
> ----- Original Message ----- 
> From: "LarryB"
>
>
> LarryB wrote:
>
>>The voltages being "right" does not mean it does not have a
>>ripple.
>>Check the DC line with the AC volts and see how much it is.
>>
>>Larry Browning
>>K & L Electronics
>>Anderson, SC
>>
>>
>>
>>Clint Hamilton-PCWorks Admin wrote:
>>
>>>Thanks for the reply Larry.  Both of your posts are below.
>>>
>>>There are no fluorescent lights in the room.  "The lines
>>>don't
>>>move around, but they do appear to 'flash' or 'bounce' a
>>>bit."
>>>Maybe "twitch" is another word to use.
>>>
>>>I don't have a scope anymore, but all the voltages on the
>>>PSU
>>>are ok.  What you said reminds me that I could check the
>>>UPS,
>>>something may be afoul with it.  When I can, I'll shutdown
>>>and plug
>>>the PC directly into the wall outlet.
>>>Thanks,
>>>-Clint
>>>
>
>
>>>----- Original Message ----- From: "LarryB"
>>>
>>>No I have never heard of exactly what you are describing
>>>before
>>>but the first thing that came to mind was turn all your
>>>fluorescents off. I have seen many strange problems with
>>>these
>>>light when the start acting up.  They can produce a beat
>>>frequency that often shows up in monitors and Tv's.
>>>
>>>Are the lines from top to bottom and stationary?
>>>
>>>Another thought came to mind and that is the power supply.
>>>Probably high freq. but if you could look at the DC line
>>>with
>>>a scope you might see the same freq. Filters could cause
>>>this. Any supply to any thing in the chain. I would think it
>>>would show up in other modes though. I would also
>>>expect it to travel across the screen at some rate.
>>>
>>>Larry Browning
>>>K & L Electronics
>>>Anderson, SC
>>>
>>>
>>>
>>>Clint Hamilton-PCWorks Admin wrote:
>>>
>>>I tried posting this at a hardware forum, no replies.
>>>
>>>I'm suddenly having a strange problem with my ATI AIW 9800
>>>Pro
>>>when watching the MMC TV tuner.  Sometimes it looks normal.
>>>But suddenly vertical lines can appear.  There's a pattern
>>>of
>>>10 vertical lines, then a separation of about 1 vertical
>>>line
>>>wide where there is NOT a vertical line, and that pattern
>>>repeats itself across the TV viewer window.  So it's 10
>>>vertical lines, space, 10 vertical lines, space, 10 vertical
>>>lines, space, etc.  The lines appear white when the
>>>background
>>>is black, and they appear black when the background is
>>>white.
>>>Color under the lines is normal.  What is strange is if I
>>>change channels, a partial faint "ghost" image of the
>>>original
>>>channel where the lines started showing remains!
>>>
>>>I can click the input selector to change inputs--S-video,
>>>composite, cable, and the lines not only remain, but the
>>>faint
>>>ghost after-image of the last scene on TV before changing
>>>the
>>>inputs also remains!  There is also a long delay when
>>>changing
>>>inputs, compared to when this problem is not happening,
>>>there
>>>is no delay when changing inputs!
>>>
>>>The lines don't move around, but they do appear to "flash"
>>>or
>>>"bounce" a bit.  Another thing that's most odd, is if I
>>>resize
>>>the TV window, the lines will resize.  Regardless of how
>>>small
>>>or how large the TV window is, there is always 10 bands of
>>>10
>>>lines vertical.
>>>
>>>And still another strange thing, the problem is recordable,
>>>but
>>>when I record something from TV the lines almost disappear!
>>>When I stop the recording, they reappear!
>>>
>>>It's not the cables, I can remove them and nothing changes.
>>>It's also not the cable feed, because I can actually remove
>>>the
>>>coax cable, and the lines remain.  So it's either software
>>>or
>>>TV tuner failure, and I fear it's the latter.  However, when
>>>I
>>>use the composite input with my VCR connected and use the
>>>VCR's
>>>tuner, the lines are still there!  So that doesn't sound
>>>like
>>>tuner failure, but some other problem with the card.  ***But
>>>the card in every other way is totally normal.  My monitor
>>>display is totally normal, webpages, folders, colors, all
>>>perfectly normal.***  The only problem is when watching TV.
>>>
>>>I ran the "repair" installation of the MMC and that didn't
>>>help.  That's as far as I'm going to know for now, unless
>>>someone can tell me they think this is software or drivers,
>>>then I'll remove and reinstall them.......because any of you
>>>ATI users know that screwing around with their drivers or
>>>software can be disastrous.  I don't want to risk that
>>>unless I
>>>know removing & reinstalling could fix the problem.
>>>
>>>I'm using the Omega version of the latest ATI Catalyst
>>>drivers.
>>>MMC is v9.08 (because later version are a joke, they have
>>>less
>>>features and TVoD is on all the time).
>>>
>>>So has anyone ever seen or heard of this before?
>>>-Clint


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