[TechAssist] Re: SONY KV-32FS13 pincushion (Chassis BA5)

  • From: "Shaun" <satguy@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Tue, 9 Nov 2004 11:25:15 -0700

I have decided to shotgun the entire area. I am going to replace
D501-D502-D504-D506-C542-L503-L506-IC501-R513-R520-R548-R551-Q503 and Q504.
I will tell you what happens. btw by lifting R548 it just shorted out D504
thank you Leonard G. Caillouet. As you can see this set is very frustrating.

Shaun
Advanced Electronics
224 West Riverview Ave.
Fort Morgan, CO 80701
----- Original Message ----- 
From: "Shaun" <satguy@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, November 09, 2004 10:34 AM
Subject: [TechAssist] Re: SONY KV-32FS13 pincushion (Chassis BA5)


> Well I lifted R548 set screamed and went into shut down and now won't turn
> on just tic-tic-tic then nothing. I am ready to give up on this one.
>
> Shaun
>
> Advanced Electronics
> 224 West Riverview Ave.
> Fort Morgan, CO 80701
> ----- Original Message ----- 
> From: <MDileo0000@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Cc: "Shaun" <satguy@xxxxxxxxxxxxx>
> Sent: Friday, November 05, 2004 9:11 AM
> Subject: [TechAssist] Re: SONY KV-32FS13 pincushion (Chassis BA5)
>
>
> > Shaun,
> >
> > Some notes I have: Pincushion
> >
> > Check D506, C542, D501,D502, R548. Lift R548 to isolate Q504. Also check
> > IC501.
> > [Unable to display image]
> > Dominic DiLeo
> > Atlantic TV
> > Freeport, Maine
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> >
> >
> > In a message dated 11/4/04 7:50:55 PM Eastern Standard Time,
> > satguy@xxxxxxxxxxxxx writes:
> >
> > << Ok, finally got the schematic for this beast. I found that on Q504
> >  (pincushion drive) C is (+12.3 volts), B is (0.3) volts and E is (0.0
> >  volts). The schematic says voltages should be: C (-6.5 volts) B (0.1
> volts)
> >  and E (0.0 volts). There are not really any voltages marked on the
> schematic
> >  so I am not sure what makes the voltage go back to -6.5 on the
collector.
> >  Does anyone else have a better schematic on this unit?
> >
> >  Shaun
> >
> >  Advanced Electronics
> >  224 West Riverview Ave.
> >  Fort Morgan, CO 80701
> >  ----- Original Message ----- 
> >  From: "Shaun" <satguy@xxxxxxxxxxxxx>
> >  To: <techassist@xxxxxxxxxxxxx>
> >  Sent: Thursday, November 04, 2004 3:21 PM
> >  Subject: [TechAssist] Re: SONY KV-32FS13 pincushion (Chassis BA5)
> >
> >
> >  > I am still fighting this Sony with a pincushion problem. I just
> replaced
> >  the
> >  > Q504 (KTC4370A) original sony pincushion transistor and no change.
The
> >  > picture is too wide and hour glass looking on the side.
> >  > In the other posts on this unit I have replaced several other parts
to
> no
> >  > help.
> >  >
> >  > Shaun
> >  >
> >  > Advanced Electronics
> >  > 224 West Riverview Ave.
> >  > Fort Morgan, CO 80701
> >  > ----- Original Message ----- 
> >  > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> >  > To: <techassist@xxxxxxxxxxxxx>
> >  > Sent: Tuesday, October 19, 2004 11:06 AM
> >  > Subject: [TechAssist] Re: SONY KV-32FS13 pincushion (Chassis BA5)
> >  >
> >  >
> >  > > Last attempt, are there any Sony ASC's out there?
> >  > >
> >  > > Shaun
> >  > >
> >  > > Advanced Electronics
> >  > > 224 West Riverview Ave.
> >  > > Fort Morgan, CO 80701
> >  > > ----- Original Message ----- 
> >  > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> >  > > To: <techassist@xxxxxxxxxxxxx>
> >  > > Sent: Monday, October 18, 2004 3:52 PM
> >  > > Subject: [TechAssist] Re: SONY KV-32FS13 pincushion (Chassis BA5)
> >  > >
> >  > >
> >  > > > I have replaced L503 and L506 along with R513 and R551. I also
> >  replaced
> >  > > > IC301 and IC302 because of a little water damage. It fixed the
> jumping
> >  > > > picture but the picture still looks like an hour glass. I got all
> the
> >  > > > service menu settings and made sure they are correct are there
any
> >  Sony
> >  > > ASC
> >  > > > that might know where to go from here.
> >  > > >
> >  > > > Shaun
> >  > > >
> >  > > > Advanced Electronics
> >  > > > 224 West Riverview Ave.
> >  > > > Fort Morgan, CO 80701
> >  > > > ----- Original Message ----- 
> >  > > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> >  > > > To: <techassist@xxxxxxxxxxxxx>
> >  > > > Sent: Monday, October 18, 2004 11:31 AM
> >  > > > Subject: [TechAssist] Re: SONY KV-32FS13 pincussion (Chassis BA5)
> >  > > >
> >  > > >
> >  > > > > This set is nearly repaired but I still have a pincushion
> problem,
> >  it
> >  > > has
> >  > > > > the hour glass look pulled in on both sides. Any other ideas?
> >  > > > >
> >
> >  > > > > 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 3:41 PM
> >  > > > > Subject: [TechAssist] Re: SONY KV-32FS13 pincussion
> >  > > > >
> >  > > > >
> >  > > > > > 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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