[TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA picture distorting
- From: peggs <peggs@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx, <techassist@xxxxxxxxxxxxx>
- Date: Thu, 29 Sep 2005 08:27:02 -0700
I don't see R432 in that list,1K ohm.
also resolder any ground tabs in the PS and HOT area
Peggs
At 02:16 PM 9/28/05, Shaun wrote:
>I am still in the dark on this dog. I replaced C431, C432, IC430, Q400,
>C432, C431, Q530, Z530, Z405 and the picture still jumps around wiggles and
>really freaks out when the screen has a white background. I noticed that=
the
>130 volt line is down to 125 volts but the most noticeable voltage that is
>off is Q530 the collector is 2.1 vdc and should be POINT 2 volts that's .2.
>When I turn down the ac to the set this voltage goes down to about .3 and
>the picture stops shacking I really don't know where else to look. HELP
>
>Shaun
>
>Advanced Electronics
>224 West Riverview Ave.
>Fort Morgan, CO 80701
>----- Original Message -----
>From: "John Conti" <contitv@xxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Thursday, September 01, 2005 8:58 AM
>Subject: [TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA picture
>distorting
>
>
> > 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.
> >
> > John
> > Conti,sTV
> > Texas
> >
> >
> >
> >
> > >From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > >Reply-To: techassist@xxxxxxxxxxxxx
> > >To: <techassist@xxxxxxxxxxxxx>
> > >Subject: [TechAssist] Re: Magnavox CS4535A101 Chassis 25S104-00AA=
picture
> > >distorting
> > >Date: Tue, 30 Aug 2005 17:28:15 -0600
> > >
> > >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
>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=
picture
> > >distorting
> > >
> > >
> > > > 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
> > >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
> > >picture
> > > > 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
>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
> > >warm
> > >=3D
> > > > > so I
> > > > > replaced with another new one and that one is getting pretty warm
> > >also.
> > >=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
>only
> > >=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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