[rescue] LCD monitor diagnosis

[Don Y]

Charles Shannon Hendrix wrote:
> Sun, 16 Apr 2006 @ 17:10 -0700, Don Y said:
> 
>> Bill Bradford wrote:
>>> On Sun, Apr 16, 2006 at 05:11:20PM -0400, Bryan Gurney wrote:
>>>> Yeah, it's sad sometimes how bad the caps are in some products.  
>>>> I've had/seen plenty of bad cap experiences:
>>> I had to replace the midplane/motherboard of my iMac G5 a year ago due to
>>> the bad cap problem:
>>>
>>> http://www.flickr.com/photos/mrbill/sets/1340761/
>> To be fair, given time, caps *do* go bad.  But, that's
>> a *long* time (much longer than LCD panels have been
>> a commodity item!).
>>
>> I've seen more than two dozen motherboards with bad caps
>> (and I don't do this for a living  :-/  ).  I had to
>> "re-cap" the MB in my Athlon box for this reason.
> 
> Supposedly a lot of this was due to improper caps sold to motherboard
> manufacturers.
> 
> Also, the cheaper motherboards don't use caps that are as good and long
> lasting as better ones, especially server motherboards.
> 
> Good caps should last a very long time, many years in fact.

By (PC) consumer standards, "many years" may, in fact, be "a very
long time".  But, I've also had problems with electrolytics
"drying out" in hifi gear (I've a Yamaha CA-810 that I need to
re-cap... considerably older than any of these motherboards
yet still not what I would consider "a very long time"  :<  )