[rescue] LCD monitor diagnosis

Sridhar Ayengar ploopster at gmail.com
Tue Apr 18 14:08:03 CDT 2006

Don Y wrote:
> 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"  :<  )

I had to replace a couple of electrolytics in my father's 1973 Sansui 
console receiver a couple months ago.  I would be satisfied if the caps 
in PC's lasted that long.

Peace...  Sridhar

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