[TechAssist] Re: toshiba cf27h50 shadow mask

Bill,

I like your experiment, but it didn't work.  When I degauss the unit with the 
handheld degaussing ring, the screwed up colors never dissappear.  Do you 
have any other ideas, I sure would appreciare your input..... 



In a message dated 12/29/01 11:51:08 AM US Mountain Standard Time, 
billmcfarland@xxxxxxxxxxxxxx writes:


> OK, This is what I do.  It may be wrong...But it was how I was taught.
> 
> Start with unit in a Cold Start State.
> 
> Step 1 With Unit off--Disconnect the internal Degauss coil. Turn unit on.
> Step 2 Degauss using your handheld coil.
> Step 3 Let the unit warm up 15 or 20 min.
> Step 4 Turn off unit and let sit off for about 10 min. DO NOT  MOVE THE
> UNIT.
> Step 5 Turn unit back on.
> 
> If the Purity problem comes back during the warm up or when you turn it on
> the second time. The Shadow Mask is loose.
> Its also important not to move the unit after you degauss with the handheld
> coil. The earths magnetic field can mess with the experiment.
> 
> Like I said. This could be completely off base. But It works for me. (Has
> far as I know anyway!)
> I am sure there are people on this list who have a better way or know more
> about it then I.
> Just thought I would Run this up the flag pole and see anyone salutes!
> 
> Good luck, God Bless, Happy Holidays
> Bill McFarland
> DMC Electronics
> ----- Original Message -----
> From: <knitrngr65@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, December 28, 2001 4:18 PM
> Subject: [TechAssist] toshiba cf27h50 shadow mask
> 
> 
> > Maybe someone can tell me, how to determine if the shadow mask has broken
> > loose.  I tried the only way I know, and that is if you have a discolored
> > screen ( blue, purple weird colors), and the colors don't go away after
> > degaussing.  Also I tried tapping on the front of the screen to see some
> kind
> > of movement in the shadow mask, didn't help.  Can someone give me some
> > advice, sure would appreciate it....
> >
> >
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