[TechAssist] Re: Sony kp53xbr35 crt arcing in neck
- From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 19 Sep 2002 10:46:20 -0400
Kevin,
RPTVs have usually had to push the blue CRT harder because the light output
from the blue phosphors is lower than the other phosphors for the same level
of excitation. This is particularly true in recent years with the
incredibly high output from all of the tubes. This is why you often see
the blue CRT phosphors burn faster from station logos and letterbox bars.
Some manufacturers have even had a procedure to slightly defocus the blue to
increase the overall output to balance(!?!) whites.
Leonard G. Caillouet
Service Manager
Electronics World
Gainesville, FL
352-332-5608
352-332-5668 (fax)
----- Original Message -----
From: "Kevin" <kevinstv@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 19, 2002 12:46 AM
Subject: [TechAssist] Re: Sony kp53xbr35 crt arcing in neck
>
> Jeff,
>
> Why does the blue gun generate more heat than the other two guns?
>
> Kevin Wilks
> Kevin's TV and Video Repair
> Penticton BC Canada
> kevinstv@xxxxxxx
> ----- Original Message -----
> From: Tech Repair CD support <support@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, September 18, 2002 4:54 PM
> Subject: [TechAssist] Re: Sony kp53xbr35 crt arcing in neck
>
>
> >
> > Larry,
> > Yoke is more than likely OK.
> > You don't mention which tube is cracked, but the blues do more
frequently
> because
> > they generate more heat than the others.
> > Jeff
> > FAX 717-564-4952
> > Intrepid Video & Electronics
> > 501 Luther Rd
> > Harrisburg PA 17111-2055
> > Be careful of your thoughts.
> > They may become your words any moment.
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> > ********************************************************************
> >
> > ----- Original Message -----
> > From: "Larry" <schntv@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, September 18, 2002 3:33 PM
> > Subject: [TechAssist] Re: Sony kp53xbr35 crt arcing in neck
> >
> >
> >
> > you were right Jeff.
> > It has a small crack , under the yoke.
> > the yoke looks ok but is it the reason the tube
> > cracked??
> > Is it safe to just replace the CRT?
> > Thank you
> > Larry
> >
> >
> > Shoreline Electronics wrote:
> > >
> > > Yep.....pull the yoke & you'll see a crack in the neck of the tube.
> > >
> > > CRT must be replaced.
> > >
> > > Jeff Stielau
> > > Shoreline Electronics Repair
> > > 125 Beech Tree Lane
> > > Westbrook, CT 06498
> > > 860-399-1861
> > > 860-664-3535 (fax)
> > > jstielau@xxxxxxxx
> > > ----- Original Message -----
> > > From: "Larry" <schntv@xxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Tuesday, September 17, 2002 3:59 PM
> > > Subject: [TechAssist] Sony kp53xbr35 crt arcing in neck
> > >
> > > >
> > > > center crt is arcing in focus socket., neck arcs
> > > > even with the socket removed.
> > > > draws 5 amps then shuts down.
> > > > owner said it smelled hot. I smell nothing.
> > > > I assume it is the CRT, I see no leakage of coolant.
> > > > what is a estimate of parts needed??
> > > > is the yoke bad also??
> > > > this is my first sony crt problem.
> > > > Thank you,
> > > > Larry
> > > >
> > > >
> > > >
> > > > --
> > > > Schneider TV & Electronic Inc.
> > > > 5415 N. Wooster ave.
> > > > Dover, Ohio 44622
> > > > www.geocities.com/schntv2000/
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> > --
> > Schneider TV & Electronic Inc.
> > 5415 N. Wooster ave.
> > Dover, Ohio 44622
> > www.geocities.com/schntv2000/
> > 330-343-0768 FCC. first class & Extra class
> > K8WLY
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