[TechAssist] Re: Pioneer SD-P6091-K RPTV, low contrast and will not adjust
- From: Cruz M Reyes <reyes9159@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 1 Oct 2005 12:58:19 -0700 (PDT)
I think I know What the problem is on this tv but I
can't remember at this time cause I fix that kind of
problem more then a year at go if I remember I let you
know I know I change a small Ic but if I see the
schematic I will remember just let me find it I hope I
find it soon thanks:Manuel
--- Jim Myers <jr.myers@xxxxxxxxxxx> wrote:
> Does anyone know if there is a tech assist number
> for non ASC's on
> Pioneer? This is eating my lunch in a big way. I
> have replaced the
> EEPROM, the micro, the jungle and the A/V board and
> still no change,
> also had to purchase a service manual since no one
> offered one when I
> asked. Just weak video with no adjustment of
> contrast or brightness.
>
> The Old Master Technician
> ********************************
> Since 1972 *
> Jim Myers *
> Telrad Electronics *
> Fort Wayne Indiana *
> ********************************
>
>
> Jim Myers wrote:
> > I got the service manual for this Pioneer, ABL
> line seems ok, Y in at
> > the jungle IC pin 58 looks good with a staircase
> signal but the R,G and
> > B outputs at pins 29, 30 and 31 look bad, the
> stairs steps are almost
> > level at the top. Brightness and contrast
> adjustments have no effect
> > although the numbers change from -32 to +31. The
> jungle IC has been
> > replaced. I'm now thinking that the micro or
> eeprom may be bad. Would
> > anyone have any knowledge or ideas on this
> problem?
> > Thanks,
> >
> > The Old Master Technician
> > ********************************
> > Since 1972 *
> > Jim Myers *
> > Telrad Electronics *
> > Fort Wayne Indiana *
> > ********************************
> >
> >
> >
>
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