[TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA picture distorting
- From: "J. Knoll" <jaystv@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 30 Aug 2005 19:36:23 -0400
Was c432 defective to begin with? If so is the board browned by
overheating near c432?
Jay
On 8/30/05, Shaun <satguy@xxxxxxxxxxxxx> wrote:
> Still working on this dog getting no where, I notice the horz tearing and
> picture bouncing especially when on the news when the weather boxes are u=
p
> with the numbers and temps on the screen. Only time I see a difference in=
is
> when I freeze mist Q510 or in that area but I have checked everything in
> that area anyway back to the bench.
>=20
> Shaun
>=20
> Advanced Electronics
> 224 West Riverview Ave.
> Fort Morgan, CO 80701
> ----- Original Message -----
> From: "Shaun" <satguy@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, August 30, 2005 11:38 AM
> Subject: [TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA picture
> distorting
>=20
>=20
> > I replaced C431, but C432 still runs hot to the touch does anyone know =
if
> > this is normal in this set?
> > I think after C432 heats up that's when the picture goes bad but I have
> > replaced IC430, Q400, C432, C431 and still C432 gets too hot in my
> opinion.
> > I scoped the emitter of Q400 and it is 130 volts DC with 1.5 v p-p all =
the
> > other voltages near the regulator are good. Can anyone help with this d=
og?
> >
> > Shaun
> >
> > Advanced Electronics
> > 224 West Riverview Ave.
> > Fort Morgan, CO 80701
> > ----- Original Message -----
> > From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, August 30, 2005 9:49 AM
> > Subject: [TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA pictu=
re
> > distorting
> >
> >
> > > Replace C431 as well (3.3mfd/200V).
> > >
> > > Bob Waterman, CET(r) #RI-28
> > > Master Technician License #9109
> > > Service Manager / Parts Manager
> > > Gemini Computer, TV, & Security Alarms
> > > (508)695-7302
> > > (508)695-7769 FAX
> > > geminitv@xxxxxxxxxxx
> > >
> > >
> > > ----- Original Message -----
> > > From: "Lindsey Altman" <athomeservice@xxxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Tuesday, August 30, 2005 11:45 AM
> > > Subject: [TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA
> picture
> > > distorting
> > >
> > >
> > > Hi Shaun,
> > >
> > > If it has a PIP module there are caps under the top most board i=
n =3D
> > > it
> > > that you should replace. They are all 100uf if memory serves me right=
.
> > >
> > > HTH,
> > > Lindsey
> > >
> > > Lindsey Altman
> > > At Home Service Company
> > > 440 Cedar Ave.
> > > Claxton, Georgia 30417
> > > 912-739-1019
> > > athomeservice@xxxxxxxxxxxxx
> > >
> > >
> > > -----Original Message-----
> > > From: techassist-bounce@xxxxxxxxxxxxx
> > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Shaun
> > > Sent: Monday, August 29, 2005 10:33 PM
> > > To: techassist@xxxxxxxxxxxxx
> > > Subject: [TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA =3D
> > > picture
> > > distorting
> > >
> > > Something I just noticed C432 (100 mfd 200 Volt) is getting fairly wa=
rm
> =3D
> > > so I
> > > replaced with another new one and that one is getting pretty warm als=
o.
> =3D
> > > I
> > > also replaced the regulator STR30130 and still no help.
> > >
> > > Shaun
> > >
> > > Advanced Electronics
> > > 224 West Riverview Ave.
> > > Fort Morgan, CO 80701
> > > ----- Original Message -----=3D20
> > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > > To: "tech" <techassist@xxxxxxxxxxxxx>
> > > Sent: Monday, August 29, 2005 7:25 PM
> > > Subject: [TechAssist] Magnavox CS4535A101 Chassis 25S104-00AA picture
> > > distorting
> > >
> > >
> > > > This set has a strange picture wiggle only on the left side and onl=
y =3D
> > > after
> > > > it warms up and usually only with a bright screen or words on the =
=3D
> > > screen.
> > > I
> > > > replaced the C432 100 mfd 200 volt and I replace Q510 because when =
=3D
> > > heated
> > > it
> > > > caused the picture to distort. No help so I am assuming it is =3D
> > > something
> > > near
> > > > Q510. Has anyone seen this before?
> > > >
> > > > Shaun
> > > >
> > > > Advanced Electronics
> > > > 224 West Riverview Ave.
> > > > Fort Morgan, CO 80701
> > > >
> > > > =3D
> >
> > -----------------------------------------------------------------------=
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--=20
J. Knoll TechAssist Monitor
TechAssist
225 Monticello Ave.
Clarksburg WV, 26301
www.tech-assist.org www.techassist.net=20
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