[TechAssist] Re: Pioneer SD-P6091-K RPTV, low contrast and will not adjust
- From: Jim Myers <jr.myers@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 01 Oct 2005 13:16:13 -0500
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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