Mailinglist Archive: opensuse (4547 mails)

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Re: [SLE] short fizzing sound
  • From: Thom Nuzum <linux@xxxxxxxxxxx>
  • Date: Mon, 17 May 2004 17:20:53 -0400
  • Message-id: <200405171720.54061.linux@xxxxxxxxxxx>
time to try a TFT.
Thanks all

On Monday 17 May 2004 15:57, Vince Littler wrote:
> On Monday 17 May 2004 8:36 pm, The Purple Tiger wrote:
> > On Monday 17 May 2004 19:32, Thom Nuzum wrote:
> > > Yes its CRT.
> > > I think you must be right as I have tried everything else.
> > > How can I clean this without dying.
> > > Thanks
>
> <snip>
>
> > If you do feel confident about removing the case of your monitor (I have
> > done this faaaar too many times :) then move the monitor to a solid
> > work area, preferably wooden.
> > Leave it for 10-15 mins for the capacitors to discharge fully.
> > Lay a cloth/towel on the surface and lay the monitor CAREFULLY on its
> > front (glass) end.
> > Remove all the screws and carefully remove the back casing. You may
> > have to feed the cabling through the holes in the case.
> > Using a can of pressurised air and a soft paintbrush (for those stubborn
> > areas). BE CAREFUL NOT TO REMOVE ANY CONNECTORS, NOR TO KNOCK THE
> > CIRCUIT BOARD OFF THE BACK OF THE TUBE. Be careful not to move any of
> > the components on the boards too - most of them will stand up to light
> > brushing.
> > When you have finished your internal renovation work, carefully slide
> > the case back on (remembering to feed the cables [if required] as you
> > go).
> > Put your screws back in.
> > Leave 10 mins for the dust to settle.
> > Plug and pray :)
> >
> > If the problem persists after the second option then either you didn't
> > do a very good job, or a component part is on its way out. I have had
> > one go bang after it had been fizzing for a while, but I have yet to
> > break a monitor by taking it apart :g:.
> >
> > Just make sure it has been off for a little while (and by that I mean
> > that it has no power lead connected!) to make sure that all the
> > electricity is discharged from it.
>
> <BIG RED LETTERS>
>
> If being of sound mind, you go this way, don't just remove the power lead,
> remove all leads. The CRT is a 20kV capacitor in its own right. You don't
> want it to find one end connected to ground via an audio lead or similar,
> because that will make the other end of the capacitor [the HT lead, where
> you are likely to find all the dust] 20kV relative to your fingers.
>
> If this advice is not obvious to you, or you don't understand it any way,
> then take the job to a TV repair man. The symptoms, [hissing and resizing
> of image] are bread and butter to them.
>
> <END BIG RED LETTERS>
>
>
> Vince

--
Thom Nuzum
Realtor Technology Services
Washington DC, Virginia, & Maryland

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