[TechAssist] Re: Cracked Blue NAP CRTs
- From: "Technotronic Dimensions" <steve@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 27 Feb 2004 12:13:02 -0500
Could be. Then if they shut it off on a Really cold night, the sudden temp
change could have caused a stress crack.
Steve Hearns
Technotronic Dimensions, NY [USA]
WWW.TECHNOTRONIC-DIMENSIONS.COM
1-877-817-9885 (Voice / Fax Toll Free - US Only)
----- Original Message -----
From: "Shoreline Electronics" <jstielau@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, February 27, 2004 12:01 PM
Subject: [TechAssist] Re: Cracked Blue NAP CRTs
I actually had done a coolant change on this set a little over a year ago.
I'll have to ask them if they left it on the blue " no signal " screen for
an extended period
=================================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
(860)399-1861
(860)664-3535 FAX
jstielau@xxxxxxxx
=================================
----- Original Message -----
From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, February 27, 2004 11:35 AM
Subject: [TechAssist] Re: Cracked Blue NAP CRTs
> I wonder if it has something to do with differential heating due to the
> coolant contaminants. Dark absorbs heat...
>
> Leonard G. Caillouet
> Electronics World
> Gainesville, FL
> 352-332-5608
> 352-332-5668 (fax)
>
> ----- Original Message -----
> From: "Terry H." <tvdoc@xxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, February 27, 2004 11:04 AM
> Subject: [TechAssist] Re: Cracked Blue NAP CRTs
>
>
> > According to NAP eng., if a blue screen is left on for a long period of
> > time, 20minutes or more, the blue tubes have been know to overheat and
> > crack. Another reason I've read, is overtightening of the lens also
causes
> > this. Don't know which if any is true but, these are Hitachi tubes and
> it's
> > not a known fail on those models.
> > The TV Shop
> > Gonzales, Tx
> >
> > ----- Original Message -----
> > From: "tony saracco" <tcselectronics@xxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, February 27, 2004 9:26 AM
> > Subject: [TechAssist] Re: Cracked Blue NAP CRTs
> >
> >
> > > Just a thought but if its heat then why not other manufactures tubes
> doing
> > > the same, could it be just a bad run of blue tubes from NAP.
> > >
> > > Tony Saracco
> > > TCS ELECTRONICS
> > > 406 Andra Ct.
> > > Gilberts, IL 60136
> > > tcselectronics@xxxxxxxxx
> > >
> > > ----- Original Message -----
> > > From: "Hoyt's TV" <hoytstv@xxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Friday, February 27, 2004 7:38 AM
> > > Subject: [TechAssist] Re: Cracked Blue NAP CRTs
> > >
> > >
> > > Let's see if this gets through.
> > > About half of my replies/posts have been coming back to me this week.
> > > Got some more this morning.
> > > Here goes, anyway.
> > >
> > > Why should the blue tube get nailed?
> > > Since white is made up of 53% green, 36% red and 11% blue and I would
> > expect
> > > a constantly changing color picture would average about the same
unless
> > they
> > > are leaving it on something with a blue screen most of the time.
> > > Should be the green tube that heats up the most.
> > >
> > > Russ Hoyt
> > > Hoyt's TV
> > > Exeter, NH
> > >
> > >
> > > ----- Original Message -----
> > > From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Thursday, February 26, 2004 11:46 PM
> > > Subject: [TechAssist] Re: Cracked Blue NAP CRTs
> > >
> > >
> > > > Because they get hotter than the other two, resulting in premature
> > > failure.
> > > > Perhaps they should make the chamber larger or come up with some
> method
> > of
> > > dissipating the heat.
> > > >
> > > > Jeff Dougherty
> > > > Intrepid Video TV/VCR
> > > > 263 S Front St
> > > > Steelton PA 17113
> > > > fax...717-564-4952
> > > > www.intrepid-video.com www.tech-repair.net
> > > >
> > > > ----- Original Message -----
> > > > From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> > > > To: "Tech Assist Group" <techassist@xxxxxxxxxxxxx>
> > > > Sent: Thursday, February 26, 2004 10:41 PM
> > > > Subject: [TechAssist] Cracked Blue NAP CRTs
> > > >
> > > >
> > > > Ok....why do these projo tubes crack! Just the blue but NIT the
green
> > or
> > > > red!
> > > >
> > > >
> > > > Anyone?
> > > >
> > > > ==========================
> > > > Jeff Stielau
> > > > Shoreline Electronics Repair
> > > > 344 East Main Street
> > > > Clinton,CT 06413
> > > > 860-399-1861
> > > > 860-664-3535 (fax)
> > > > jstielau@xxxxxxxx
> > > > ========================
> > > > "If you push something hard enough it will fall over."
> > > > Fudd's First Law of Opposition - Sir Sidney Fudd
> > > >
> > > >
> > > >
> > >
> >
>
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