[TechAssist] Re: Philips 6P6051 PTV750 Blows HV Outputs
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 26 Feb 2004 22:26:51 -0500
I ordered a Patx rebuild thru Tritronics. $152.00 + Shipping with dud
charge included ( supposedly) Dud will prob. not apply since the glass is
cracked
The new NAP is $300 cost , I think it may be a complete unit though with
fluid chamber attached....still way outta line.
Entire job is selling for $420 Fix the large signal board and new Blue CRT
, Clean and align. 6 month warranty on the LSB and 2 year on the tube (
manufacturer warranty?)
We had changed the fluid on the green and blue tubes in January of
2003....... a year later this happened
==========================
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
----- Original Message -----
From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, February 26, 2004 6:01 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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