[TechAssist] Re: Need Schematic or Help - PHILPS 53TP60 (PTV)

  • From: "Bil Green" <tv.vcrrepair@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 30 May 2002 13:01:00 -0700

Hi Al,

I didn't bother since there is no voltage at the veritcal output IC
(indicating a possible shutdown - many things can cause this in PTV's).  I
may as well check those out anyway.  Did you get that computer going?

Thanks,

Bil


----- Original Message -----
From: "al" <al@xxxxxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, May 30, 2002 6:32 AM
Subject: [TechAssist] Re: Need Schematic or Help - PHILPS 53TP60 (PTV)


>
> Don't know that set, but I would look at the cathode and grid and screen
> voltages on the crt's. Could be as simple as the source of screen or
cathode
> voltage,similar to Sonly's ikv loss. al
> ----- Original Message -----
> From: "Bil Green" <tv.vcrrepair@xxxxxxxxxxx>
> To: ".Techassist" <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, May 30, 2002 5:59 AM
> Subject: [TechAssist] Need Schematic or Help - PHILPS 53TP60 (PTV)
>
>
> >
> > Philips PTV
> > Model  53TP60
> > Chassis PTV630-AH01
> >
> > I would really appreciate getting the schematic for the Deflection and
> power
> > boards.  The original problem was very bad convergence.
> >
> > Now there is high voltage and sound, but the screen is black (CRT
> filaments
> > are lit).  No voltage at the vertical output IC.  I have measured 13VDC,
> > 250VDC
> > and around 500VDC in the area of the deflection circuit.
> >
> > Seems like a shutdown circuit is causing this
> >
> > Bil
> >
> >
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