[TechAssist] Re: Sony KV27XBR45 Ch# SCC-H81A-A **Pincushion, pulsing"

  • From: "Shoreline Electronics" <jstielau@xxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 11 Sep 2003 09:25:15 -0400

Definitely change the CXA1477AS then!

==========================
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: "Kevin Gunn" <kgunn@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, September 11, 2003 8:08 AM
Subject: [TechAssist] Re: Sony KV27XBR45 Ch# SCC-H81A-A **Pincushion,
pulsing"


> I have a SONY KV32XBR100 that I too have changed everything in the
> Pincushion Circuit and still have the pulsing and pincushion problem.
>
> Kevin Gunn
> Star Tek Electronic Services
> 390 Springbank Drive
> London, Ontario
> www.ulurn.com/startek
>
> N6J 1G9             519-473-6366
> ----- Original Message -----
> From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, September 10, 2003 9:25 PM
> Subject: [TechAssist] Re: Sony KV27XBR45 Ch# SCC-H81A-A **Pincushion,
> pulsing"
>
>
> > This unit uses the CXA1477AS jungle IC.....never seen it cause PC
> > issues....but there may be a first!
> >
> > ==========================
> > 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: "Valley TV" <valleytv@xxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, September 10, 2003 9:12 PM
> > Subject: [TechAssist] Sony KV27XBR45 Ch# SCC-H81A-A **Pincushion,
pulsing"
> >
> >
> > > Hi everyone!
> > > I absolutely had to take a break from this Sony KV27XBR45 before I
went
> > crazy..  Obvious pincushion problem on both sides but it also seems to
be
> > pulsing on the sides.  I carried this little monster down 3 flights of
> > stairs and into my motel room (on the road again..) and have gotten
bleary
> > eyed working on it.  I replaced L510 (yes, I actually had 1) Q505,
IC504,
> > Q503 (pin out) and checked the solder connections on L509. Absolutely no
> > luck..
> > >
> > > I'm starting to think I'm in the Bates Motel tonight!  I have no
> schematic
> > with me to help trace the circuit but I did notice the voltage on the
> > collector of Q503 keeps changing from 3.1v up to 5.9 volts and back
B=.55
> > E=0 but I have no idea what is correct.
> > >
> > > Any suggestions, PLEASE.
> > >
> > > Gary
> > > Valley TV
> > > valleytv@xxxxxxx (if anyone has a scan of the circuit)
> > > --
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