[mythtv-users] Are my capture cards broken?

DaveD mythtv at guiplot.com
Sat Aug 25 16:49:27 UTC 2007

I used to be a TV repairman/antenna system installer/maintainer.  I've 
worked with TVs, splitters, "signal boosters" (amplifiers), cable, etc, 
for over 30 years and hooked things up as wrongly (?) as you could 
imagine and NEVER blown up anything that has to do with antenna 
inputs/outputs.  I doubt very seriously that any of your hardware is 
fried.  Sounds more like you just did a channel scan with messed up 
inputs and you have to get that data flushed out and re-scan.  Of 
course, I could be wrong.....  Maybe start with the cable going straight 
into any one card (eliminate splitters and amplifiers) and see how it 
does.  Good luck.


John Nelson wrote:
> Fellow MythTV folks:
> I think I ruined $200 worth of video capture cards.  But I am not 
> sure.  Rather than broken equipment, the problem may be my failure to 
> properly set up the MythTV box.
> The symptoms:
> My capture cards are being recognized by the system.  However, the 
> cable signal is not.  The non-cable, over-the-air channels are 
> visible.  The cable channels do not come through.
> Possible reason:
> I have three cards.  I have a 5-way splitter and a signal booster.  
> When I first was setting up the box, I had my boosted cable signal 
> going through the 5-way splitter NOT on the IN mal plug of the 
> splitter, but on one of the OUT male plugs.  My TV was able to work 
> this way, so I did not realize it until later.
> I am wondering if, for some reason, this may have caused my capture 
> cards to become fried.  Or, perhaps, they became fried during the move 
> from an old apartment to my current one.
> Has anyone experienced anything like this?  I would consider 
> purchasing new cards at some point, but I would like to be sure of 
> these cards' failure first.
> One method I thought of using to test out the cards was purchasing 
> Windows XP Media Edition in order to see if they work for Windows.
> I have Hauppauge PVR-150s (three).
> I have an AMD-64.
> I am installing it using the Ubuntu instructions.
> I installed an AMD-64 and x86 version.
> Any help would be appreciated.  I miss my OSD; regular cable does not 
> tell me what I am watching.
> Take care all!
> Sincerely,
> John
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