[wellylug] Faulty Moniter

[Eugene Van Wyk]

Hi Jamie

Better to have it seen to earlier rather than later.  
The whine is most likely from the line transformer, which is going
faulty internally, and if it goes, can do quite a bit of secondary
damage.  

I've also had cases of a whine being caused by damp dusty buildup inside
the monitor providing an alternate current path, in one case
particularly by cat hairs and dust getting nice and damp in a salty sea
air environment.  In this case the board damage was too extensive too
fix economically.

Eugene van Wyk
Test Development Engineer
4RF Communications Ltd
26 Glover St
Ngauranga
Wellington
New  Zealand
 

-----Original Message-----
From: wellylug-admin at lists.naos.co.nz
[mailto:wellylug-admin at lists.naos.co.nz] On Behalf Of Jamie Baddeley
Sent: Monday, 23 August 2004 6:15 p.m.
To: wellylug at lists.naos.co.nz
Subject: Re: [wellylug] Faulty Moniter

On Mon, 2004-08-23 at 18:00, Jethro Carr wrote:
> hi all,
> 
> 
> I have a moniter which has started emitting a really high pitch whine.
I
> think it might be a capaciter about to go...
> 
> 
> Details:
> Samsung SyncMaster 753DFX
> 0.5 years old.
> 
> Problem:
> Moniter emitts a high pitch whine. I noticed that viewing certain
> colours (eg: white or dark blue) changes the loudness of the whine.
> 
> Attempts to fix:
> I turned it off & unplugged it from the mains for a couple of hours.
> When I plugged it back in, it went fine for about 3 days, so draning
the
> circuit appears to help, which makes me wonder about a capaciter.
> 
> 
> It's proberely a hardware fault so I'll have to take it into the shop
> for repairs. However, has anyone ever had a problem like this?
> 
Yes. I do. Shitty Acer ac711. Insurance company replaced my good old one
with this crappy thing....

Make sure that the cat ain't around when the monitor does it, otherwise
you won't see it for days :-)

I think it's cheap hardware rather than a fault...

that or some major obscure X11 setting....

jamie


> 
> 
> thanks,
> 
> 
> -- 
> -- Jethro
> 
> dodocaptain at paradise.net.nz
> 
> http://homepages.paradise.net.nz/jethroc
> http://homepages.paradise.net.nz/jethroc/cv.html
> 
> http://www.wellylug.org.nz
> 


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