[TechAssist] Re: Philips 6P6051 PTV750 Blows HV Outputs
- From: "Terry H." <tvdoc@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 26 Feb 2004 17:53:12 -0600
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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