[TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA picture distorting
- From: daryls_tv@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 01 Sep 2005 09:14:37 -0600
I don't know if it has been already suggested but be sure to use 105 degree=
caps.
85 degree caps seem to always run hot in these switch mode power supplies.
HTH
Daryl
Daryl's TV
2402 Wyoming Ave.
El Paso, TX 79903
915-565-9184 Voice/Fax
daryls_tv@xxxxxxx
www.angelfire.com/tv2/daryls_tv
----- Original Message -----
From: "John Conti" <contitv@xxxxxxxxxxx>
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA picture d=
istorting
Date: Thu, 01 Sep 2005 09:58:43 -0500
>=20
> Shaun, are your still working on the cs4535a101. If so did you replace the
> main filter c405 (470/200v) and also check r433 (270k) and r432 (1000
> ohm).And c432 should not be getting hot.
> Let me know how you came out. Also next to c432 make sure those two large
> resistors are solder good they get hot and solder becomes bad. also make
> sure there value has not changed.
>=20
> John
> Conti,sTV
> Texas
>=20
>=20
>=20
>=20
> > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > Reply-To: techassist@xxxxxxxxxxxxx
> > To: <techassist@xxxxxxxxxxxxx>
> > Subject: [TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA=20
> > picture distorting
> > Date: Tue, 30 Aug 2005 17:28:15 -0600
> >
> > Still working on this dog getting no where, I notice the horz tearing a=
nd
> > picture bouncing especially when on the news when the weather boxes are=
up
> > 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.
> >
> > Shaun
> >
> > 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 pictu=
re
> > distorting
> >
> >
> > > I replaced C431, but C432 still runs hot to the touch does anyone kno=
w if
> > > this is normal in this set?
> > > I think after C432 heats up that's when the picture goes bad but I ha=
ve
> > > 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 al=
l the
> > > other voltages near the regulator are good. Can anyone help with this=
dog?
> > >
> > > 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 pic=
ture
> > > distorting
> > >
> > >
> > > > Replace C431 as well (3.3mfd/200V).
> > > >
> > > > Bob Waterman, CET=AE #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=
in =3D
> > > > it
> > > > that you should replace. They are all 100uf if memory serves me rig=
ht.
> > > >
> > > > 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 =
warm
> > =3D
> > > > so I
> > > > replaced with another new one and that one is getting pretty warm a=
lso.
> > =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 pictu=
re
> > > > distorting
> > > >
> > > >
> > > > > This set has a strange picture wiggle only on the left side and o=
nly =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 whe=
n =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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