[TechAssist] Re: Sony PTV KP53HS10 intermittent loss of green crt and brite red raster
- From: Doug Keller <dek@xxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 17 Jan 2003 08:17:30 -0500
I was thinking the same thing. Must be tougher than I am!
Doug
Shoreline Electronics wrote:
>
> WOW ! Your waving a screw drive to see if it will arc! WOW!
>
> I take you have never been zapped by the 2nd anode ! Let me tell you
> ...your fingers & arm will go numb!
>
> Been there , done that ! Only ONCE! And never again! I saw stars!
>
> I would use a HV probe in the future to try what you are attempting
>
> ==========================
> Jeff Stielau
> Shoreline Electronics Repair
> 125 Beech Tree Lane
> Westbrook, CT 06498
> 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: <tvservice@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, January 16, 2003 2:41 PM
> Subject: [TechAssist] Re: Sony PTV KP53HS10 intermittent loss of green crt
> and brite red raster
>
> >
> > Bob or anyone on group,
> > I readjusted G2 controls, that has stopped the green from blanking out and
> > the red from getting bright. I hear aloud pop as if the anode leads may be
> > arcing but can't find, tried waving my screwdriver near anode boots and
> > around flyback but wouldn't arc only pops maybe 2-3 times in a day.
> > Could this still be G2/focus control block?
> > Also I have jail bar lines on the left, suspect cap on B+ to Hor output.
> > Would you agree?
> > Robert
> > tvservice@xxxxxxxxxxxxx
> > H & H Electronics Inc
> >
> > ----- Original Message -----
> > From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, January 08, 2003 12:58 PM
> > Subject: [TechAssist] Re: Sony PTV KP53HS10 intermittent loss of green crt
> > and brite red raster
> >
> >
> > >
> > > That sounds like it may be a defective focus/screen block. I do lots of
> > Sony
> > > and have replaced a few but not for that exact symptom.
> > >
> > > Bob Waterman, CET® #RI-28
> > > Master Technician License #9109
> > > Service Manager
> > > Gemini Computer, TV, & Security Alarms
> > > (508)695-7302
> > > (508)695-7769 FAX
> > > geminitv@xxxxxxxxxxxxxxxx
> > > geminitv@xxxxxxx
> > >
> > > ----- Original Message -----
> > > From: "tvservice" <tvservice@xxxxxxxxxxxxxxxxxxx>
> > > To: "Tech-Assist" <techassist@xxxxxxxxxxxxx>
> > > Sent: Wednesday, January 08, 2003 11:05 AM
> > > Subject: [TechAssist] Sony PTV KP53HS10 intermittent loss of green crt
> and
> > > brite red raster
> > >
> > >
> > > >
> > > > Any sony experts on list,
> > > > picked up this unit on call yesterday, no schematic, unfamiliar with
> > Sony
> > > > PTV.
> > > > After on @ 10 minutes loses green raster filimants OK, +185 volt on
> > > cathode
> > > > while this tube is out red will intermittently get very brite can see
> > > faint
> > > > video in background. Green will intermittently flash back on for 3-4
> > times
> > > > at1 second intervals same time red will go normal.
> > > > does not appear to be loose connections.
> > > > Is this gonna be a dog!!
> > > > any knowledgable help appreciated.
> > > > Robert
> > > > tvservice@xxxxxxxxxxxxxxxxxxx
> > > > H & H Electronics Inc
> > > >
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--
Doug Keller "Learn from the mistakes of others,
Wis-Kel Electronics because you won't live long enough
101 Freeland Ave. to make them all yourself"
Terra Alta, WV
USA 26764
dek@xxxxxxxxxx
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