[TechAssist] Re: Philips 6P6051 PTV750 Blows HV Outputs
- From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 26 Feb 2004 18:10:03 -0600
Tritronics has rebuilt prjo CRTs .
Country TV
Ron Miller
Inez, TX. 77968
----- Original Message -----
From: "Terry H." <tvdoc@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, February 26, 2004 5:53 PM
Subject: [TechAssist] Re: Philips 6P6051 PTV750 Blows HV Outputs
> Jeff, I bought one rebuilt from Charlie Clark www.picturetubes.net for
> 225.00 shipping and dud included. He's actually just an agent for VDS but
no
> matter who you buy it from, will probably come from Bozier City, La. Had
> good luck with all of them so far.
> Terry H.
> The TV Shop
> Gonzales, Tx
>
> ----- Original Message -----
> From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, February 26, 2004 5:01 PM
> Subject: [TechAssist] Re: Philips 6P6051 PTV750 Blows HV Outputs
>
>
> > Jeff,
> > Or someone else...are you replacing these, or sending them for
> rebuild..and the price of each method.
> > A customer is to call me back with the model number of his Philips as
> another shop told him the blue CRT
> > was cracked...be nice if I could have a price ready, if it's the same
> chassis...
> > Also, be nice to know what others are doing..rebuild/new.
> > Thank you.
> >
> > 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: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, February 26, 2004 2:14 PM
> > Subject: [TechAssist] Re: Philips 6P6051 PTV750 Blows HV Outputs
> >
> >
> > Blue CRT was cracked. Neck was full of fluid
> >
> > We had done a coolant change on this set a years ago....no leaks.
> >
> > What makes these crack?
> >
> > =================================
> > Jeff Stielau
> > Shoreline Electronics Repair
> > 344 East Main Street
> > Clinton,CT 06413
> > (860)399-1861
> > (860)664-3535 FAX
> > jstielau@xxxxxxxx
> > =================================
> > ----- Original Message -----
> > From: "peggs" <peggs@xxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>; "Tech Assist" <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, February 26, 2004 11:43 AM
> > Subject: [TechAssist] Re: Philips 6P6051 PTV750 Blows HV Outputs
> >
> >
> > > look for coolant leakage.
> > > if so,check for cracked picture tube(face),probably blue
> > >
> > > Peggs
> > >
> > > At 03:18 PM 2/25/04, Shoreline Electronics wrote:
> > >
> > > >Make : Philips
> > > >Model : 6P6051
> > > >Chassis : PTV750
> > > >
> > > >HV Output transistor (Q906 2SD2539) was shorted and emitter resistor
> > R934
> > > >(.33 ohm 1/2 watt) was open on this one.
> > > >
> > > >Replaced both parts and T900 HV flyback and the parts shorted on
power
> up
> > > >
> > > >Old flyback checked OK but changed it anyways to be sure
> > > >
> > > >Driving the circuit with the Sencore TVA92 shows good load draw but
bad
> > > >timing (32us) Scoping collector of Q906 shows a good HV pulse but
the
> > > >falling edge has an extra step on it...no ringing , just an extra
> little
> > > >porch.
> > > >
> > > >All timing parts check good.
> > > >
> > > >No cracked solder connections.
> > > >
> > > >Any ideas on this one?
> > > >
> > > >Can anyone confirm if this 32us timing is typical on this 700 series
> > chassis
> > > >with their Sencore gear?
> > > >
> > > >Any other common issues other have seen?
> > > >
> > > >=================================
> > > >Jeff Stielau
> > > >Shoreline Electronics Repair
> > > >344 East Main Street
> > > >Clinton,CT 06413
> > > >(860)399-1861
> > > >(860)664-3535 FAX
> > > >jstielau@xxxxxxxx
> > > >=================================
> > > >
> > > >
> > >
> >
>
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