[TechAssist] Re: FIXED! Pioneer SD-P6091-K RPTV, low contrast and will not adjust
- From: Jim Myers <jr.myers@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 03 Oct 2005 12:50:47 -0500
The tech line tenhnician was very willing to help and that is good to
know and have the phone number but in this case they were no help. I
found Q502 open B to E which is used to bias the Push-Pull R,G and B
amps on the signal board. The transistor checked good out of circuit, I
had it out and in twice before deciding it had to be bad, 3.5 volts on
the base and only about 0.2 on the emitter, no way could it be good
since it is an NPN. Gosh, now I can eat my own lunch! I had almost
decided to fast untill I got this one fixed.
The Old Master Technician
********************************
Since 1972 *
Jim Myers *
Telrad Electronics *
Fort Wayne Indiana *
********************************
Jim Myers wrote:
> Thanks Terry, the number has changed to 847-885-2607 and the only
> question they asked was what service company I am with then on to the
> model number and the problem.
>
> The Old Master Technician
> ********************************
> Since 1972 *
> Jim Myers *
> Telrad Electronics *
> Fort Wayne Indiana *
> ********************************
>
>
> terry goldstein wrote:
>
>>The only one I know of is 630-285-4550 , can you beleive the 800 number
>>refers you to wal-mart now, geeze the only thing the people in the
>>electroins dept there know , is that the phillips screw drivers are found in
>>the hardware dept
>>tgolds5559@xxxxxxxx
>>Terry's TV & electronics
>>212 Bank ST
>>Oak Harbor Ohio 43449
>>(419) 898-9641
>>----- Original Message -----
>>From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
>>To: <techassist@xxxxxxxxxxxxx>
>>Sent: Saturday, October 01, 2005 2:16 PM
>>Subject: [TechAssist] Re: Pioneer SD-P6091-K RPTV, low contrast and will not
>>adjust
>>
>>
>>
>>
>>>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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