[TechAssist] Re: Sanyo DS25204 No vertical
- From: Makarchuk Family <tmakarchuk@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 11 Apr 2005 20:50:36 -0600
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, April 11, 2005 8:25 PM
Subject: [TechAssist] Re: Sanyo DS25204 No vertical
> When did that start?
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "Terry J Hutchison" <sony1@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, April 11, 2005 10:17 PM
> Subject: [TechAssist] Re: Sanyo DS25204 No vertical
>
>
> > Just a foot note, if the serial number of that Sanyo confirms it is less
> > than a year old you can get any parts you need free from Sanyo, just
call
> > the number on the remote. Just food for thought. Terry
> >
> >
> >> [Original Message]
> >> From: John <maintv2004@xxxxxxxxxxx>
> >> To: <techassist@xxxxxxxxxxxxx>
> >> Date: 4/11/2005 1:48:22 PM
> >> Subject: [TechAssist] Re: Sanyo DS25204 No vertical
> >>
> >> Yes, +26 volts. In this set it comes from the SMPS, not from the
> >> flyback.
> >> This is a newer set, less than a year old. I do not have an exact
> >> schematic, I was using Sams 4801. It is for the same chassis number
but
> > my
> >> model has a VM after it (vertical modified? Just guessing) Usually if
> > the
> >> horizontal is running, there will also be a vertical drive. I just
> >> wanted
> >> to verify the correct pin for vertical drive from IC101. It may be
> > possible
> >> the set is in some kind of service mode. I do not have the original
> > remote.
> >> I think I will call the customer to bring it in. This set should be
in
> >> warranty but he said he "lost the receipt". That always makes me
wonder.
> >> Thanks, John.
> >>
> >> John Mielke
> >> Main TV
> >> Longmont, Co.
> >> www.longmontmaintv.com
> >> 303 776 6955
> >>
> >> ----- Original Message -----
> >> From: "Terry J Hutchison" <sony1@xxxxxxxx>
> >> To: <techassist@xxxxxxxxxxxxx>
> >> Sent: Saturday, April 09, 2005 10:15 PM
> >> Subject: [TechAssist] Re: Sanyo DS25204 No vertical
> >>
> >>
> >> > Do you have B+ to the vert IC? Don't mean to insult your
intelligence,
> >> but
> >> > you could also check the diode that connects pin 1 or 7 to the other
> >> > let
> >> of
> >> > the vert IC to see if the volts are present there to. I have also
seen
> > a
> >> > bad tuner cause a loss of vert in those older Sanyo's you can
desolder
> > the
> >> > tuner and see if you get your scan back. Hope this helps and let me
> > know
> >> > about the B+.
> >> > Terry
> >> >
> >> >
> >> > > [Original Message]
> >> > > From: John <maintv2004@xxxxxxxxxxx>
> >> > > To: <techassist@xxxxxxxxxxxxx>
> >> > > Date: 4/9/2005 5:16:19 PM
> >> > > Subject: [TechAssist] Sanyo DS25204 No vertical
> >> > >
> >> > > I'm working on a Sanyo DS25204 (chassis 25204-01) made in 2004. I
> > have
> >> > ho vertical but high voltage and sound are OK. I do not see a drive
> >> > waveform out of IC101 pin 26. I have isolated that pin from any
shorts.
> > I
> >> > do not have the exact schematic. Can someone verify that pin 26 is
the
> >> > vertical drive out of this chip (LA76843N) or have any suggestions
as
> > to
> >> > what could be wrong. I find it strange that everything works except
> >> > the
> >> > vertical. TIA, John.
> >> > > John Mielke
> >> > > Main TV
> >> > > Longmont, Co.
> >> > > www.longmontmaintv.com
> >> > > 303 776 6955
> >> > >
> >> > >
> >> >
>
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