[mythtv-users] Black Screen w/PVR-250 caused by overheat

Egeekial egeekial at comcast.net
Wed Jun 8 06:54:31 UTC 2005


So if they're prone to overheating... why haven't you tried cooling them?

James L. Paul wrote:

>
>
> Brad Fuller wrote:
>
>> Brian Fischer wrote:
>>
>>> I am experiencing a black screen on my pvr-250 after a few weeks of 
>>> uptime
>>> with my myth box.  I believe the cause is overheating because I 
>>> cannot get
>>> my live tv to work until I shutdown and leave the computer off for 
>>> about 30
>>> minutes.  A reboot will not fix this issue.  I plan on adding a new 
>>> fan to
>>> the system, but wanted to know if anyone has a solution or 
>>> suggestions to
>>> fix this.
>>>  
>>>
>> If you think you have a heat problem, open the PC and run it until 
>> you have your suspected heat issue. Then spray the suspected 
>> component with freeze spray and view if you have any changes in the 
>> video output. Sometimes you can find intermittent thermal problems 
>> with freeze spray -- not always.
>>
>> On the other hand, how many people have heat problems with PVRx50s? 
>> It might be something else.
>
>
> I don't know how many people, but I'll raise my hand here. In the past 
> 2 years I've had 4 PVR-250 cards die due to heat. The 4th one just 
> gave out a couple weeks ago. First the tuner gets noisy for a month or 
> so, then I start getting dropout that results in corrupted recordings 
> and cause commercial detection to crash. Then I buy a replacement.
>
> I'm currently down to 2 cards again and am planning this time to 
> replace with two PVR-500 cards.
>
> My system is a RedHat9-based Athlon 2600+ in a Gigabyte GA7VT600 MB 
> with 512MB RAM, watercooled in a 4U rack chassis. The PVR cards get 
> HOT and are the main source of heat inside the chassis. They seem to 
> last up to a year. Of the 6 total cards I've had, none of them are 
> still in service after over 2 years.
>
> YMMV :)
>
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