[TechAssist] Re: SONY KV-32FS13 pincussion
- From: "Shaun" <satguy@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 18 Aug 2004 15:41:57 -0600
Found the problem. It was IC 301 (CXA2154AS) when I removed it after tracing
the signal problem back to that IC, I found liquid damage under the ic.
Shaun
Advanced Electronics
224 West Riverview Ave.
Fort Morgan, CO 80701
----- Original Message -----
From: "Shaun" <satguy@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, August 18, 2004 1:49 PM
Subject: [TechAssist] Re: SONY KV-32FS13 pincussion
> Ok now I am looking at the screen and it is breathing (too wide) and
> bouncing with horz. tearing. I have tried to use freeze mist to find the
bad
> part to no avail. When it is first turned on it looks better but after on
> for about five minutes pincushion goes to hour glass looking and screen
it
> way to wide but then bounces back to normal then right back out again.
This
> tv is driving me crazy please any info would be great.
>
> Shaun
>
> Advanced Electronics
> 224 West Riverview Ave.
> Fort Morgan, CO 80701
> ----- Original Message -----
> From: "Shaun" <satguy@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, August 18, 2004 11:08 AM
> Subject: [TechAssist] Re: SONY KV-32FS13 pincussion
>
>
> > I still have this set in the shop with bad pincushion. I have checked
L503
> > and L506 both are good along with everything in this tip:
> >
> > RESOLUTION: Parabola signal normal at IC501/pin 2 and varies in
amplitude
> > with adjustment normally.
> > R513 or R551 will overheat depending on position of horizontal centering
> > switches. Found both L503 and L506 shorted. Replacing these restored
> normal
> > operation. Found several cases of this problem and it may well affect
> other
> > BA-5 and possibly BA-4 chassis
> > with this circuitry. The nominal resistance of the good 10 mh coil is
> about
> > 15.3 ohms on the Fluke 83. The bad ones read between1.5 and 1.9 ohms
with
> > the Fluke 83 meter.
> >
> > Is there someone that has the correct values for everything in the
service
> > menu on this set?
> >
> > Shaun
> >
> > Advanced Electronics
> > 224 West Riverview Ave.
> > Fort Morgan, CO 80701
> > ----- Original Message -----
> > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > To: "tech" <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, March 22, 2004 3:57 PM
> > Subject: [TechAssist] SONY KV-32FS13 pincussion
> >
> >
> > > I have this Sony KV-32FS13 that is bowing in from the sides it is a
2001
> > > model and I have no info on it. I have checked several things on it
but
> no
> > > luck so far without a schematic. Has anyone seen this problem.
Customer
> > > said it flashes and went out then when he turned it back on it had
lost
> > > pincushion.
> > >
> > > Shaun
> > >
> > > Advanced Electronics
> > > 224 West Riverview Ave.
> > > Fort Morgan, CO 80701
> > >
> > >
> >
>
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