[TechAssist] Re: Sony PTV KP53HS10 intermittent loss of green crt and brite red raster
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 17 Jan 2003 10:38:39 -0500
Have you ever drawn an arc with the grounded screwdriver?
I'd be too afraid to even try!
==========================
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: Friday, January 17, 2003 10:38 AM
Subject: [TechAssist] Re: Sony PTV KP53HS10 intermittent loss of green crt
and brite red raster
>
> You mean to tell me that you have not run a jumper wire from the
screwdriver
> blade to chassis ground and held the well insulated handle and waved
around
> a flyback or crt anode to check for suspicious arcing?
> I have done it numerous times over the last 27 years and never been
zapped!
> Of course I have been zapped over the years but not by doing this.
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
>
> ----- Original Message -----
> From: "Doug Keller" <dek@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, January 17, 2003 7:17 AM
> Subject: [TechAssist] Re: Sony PTV KP53HS10 intermittent loss of green crt
> and brite red raster
>
>
> >
> > 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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