[TechAssist] Re: FIXED Pioneer SD-P50A5-K, need to access service menu
- From: gulftech@xxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 29 Apr 2004 16:13:05 -0500
Kevin,
We may all agree on the high price of the manuals for Pioneer TV's.
However, how about listing the PROBLEM along with the reference number
and the value of the resistor you found open. Otherwise, this post is
useless.
Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL 32563
850-934-8324 (Voice) 850-932-0819 (Fax)
On Thu, 29 Apr 2004 13:36:22 -0700 Kevin <kevintv@xxxxxxx> writes:
> On closer inspection I found an open resistor off the convergence
> STK's.
> This resistor leads to the green convergence plug, so I will replace
> the
> STK's and will most likely not need to buy the service manual (which
> I
> found is $180 Canadian from Pioneer). Talk about highway robbery!
> These Pioneers have a very good picture, but they sure like to charge
> for their SM's. Does anyone know if Pioneer makes these sets
> themselves? Thanks.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Kevin
> Sent: Thursday, April 29, 2004 12:19 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Pioneer SD-P50A5-K, need to access service
> menu
>
> Does anyone know exactly how to access the service menu on the A5-K
> series Pioneer chassis? The set is still in the customer's home 22
> miles away and I would like to know the exact procedure. I may have
> to
> order the service manual if no one has one. Thanks.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of LeRoy Westlund
> Sent: Wednesday, April 28, 2004 9:50 PM
> To: TechAssist
> Subject: [TechAssist] Re: Pioneer SD-P50A5-K, green convergence
> problem.
>
> Kevin,
> Here is some info I have collected in my data base.
> Try this:
>
> Get into factory menu by pressing pinhole on front (cmt on
> bottom right appears) pressing mute goes to color, then pressing #
> keypad
> toggles from color to tint to........( Pressing mute a second time,
> "might"
> get you into the convergence menu ).
>
> Also check this out:
>
> Convergence Amp assembly is located in back of set on a side-mounted
> stand
> up board on the left signal board.
> Cure: Problem is on Amp Assy. Resolder transistors and regulators
> that
> are
> mounted to the heat sink and replace one or both convergence output
> ICs
> (STK392-110).
> Models Covered: SDP50A3K, SDP50A3Q, SDP50A5K, SDP55A5K, SDP62A3K,
> SDP62A3K,
> SDP62A5
>
>
> One more thing:
> On SOME brands of PTVs,
> Adjustment of the Vertical Ht., & horz width contols, can effect the
> sides,
> and, or, corner convergence. Cover Blue, and Red CRTs, and try to
> adjust
> the
> Vert HT, and Horz width, by looking at the Green CRT only. Once the
> Green
> looks OK, then converge the Blue, and Red to the Green.
>
> HTH,
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main "Where there's a
> will,...
> Centerfield, UT 84622-0087 There's always a way."
> Ph./Fax 435-528-3822
> mailto:LLW@xxxxxxxxxx
>
> -----Original Message-----
> From: Kevin <kevintv@xxxxxxx>
> To: TECH-ASSIST <techassist@xxxxxxxxxxxxx>
> Date: Wednesday, April 28, 2004 8:39 PM
> Subject: [TechAssist] Pioneer SD-P50A5-K, green convergence problem.
>
>
> >A power surge took out Fuse FU106 and killed the set. Replacing
> Fuse
> >FU106 brought the set back to life, but with the green convergence
> in
> >the upper left and lower right corners off a large amount
> (pincushion
> >problem). The green convergence in the other corners is off as well
> but
> >not as bad. I tried adjusting the customer convergence (which only
> >adjusts the blue and red) with no ability to correct the green
> >pincushion in the corners.
> >
> >The voltages going to the 2 convergence yokes measured 0.045 volts
> DC;
> >they are marked on the board as red and green (the third tube has no
> >convergence yoke). I don't have much experience with measuring the
> >convergence yoke voltages, but 0.045 seems wrong to me.
> >
> >Does this sound like a circuit problem, or do I just need to access
> the
> >service menu? Does anyone have the service manual for this set or a
> >similar one that shows how to access the service menu? Thanks.
> >
> >Kevin Wilks
> >Kevin's TV & Video Repair
> >Penticton BC Canada
> >kevintv@xxxxxxx
> >
> >
> >
> >
>
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