[TechAssist] Re: FIXED, Pioneer SD-P5191K, 1996 model, goes into shutdown, need value of R144
- From: Kevin <kevintv@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 25 Feb 2005 00:59:18 -0800
Solution was an open solder connection on main relay. It looked like
somebody had used solder wick to remove the solder. Weird! I have only
seen 2 of this model of Pioneer, and both times I missed an obvious bad
connection on the deflection PCB the first time checking the set over.
The color of the PCB must be different from other sets that I am used
to.
R144 must be OK because the set fired up no problem in the customer's
home.
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 gulftech@xxxxxxxx
Sent: Monday, February 21, 2005 4:12 AM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Pioneer SD-P5191K, 1996 model, goes into
shutdown, need value of R144
Kevin,
Check the power supply and deflection areas for cracked connections.
Pioneer is the very worst in that regard. Just pull the board and start
soldering. Of course, ESR the p/s caps while it's on the bench.
Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL 32563
850-934-8324 (Voice), 850-932-0819 (fax)
On Sun, 20 Feb 2005 23:01:13 -0800 Kevin <kevintv@xxxxxxx> writes:
> Set goes into shutdown immediately. Other Pioneer projection TV's
> that
> I have worked on have had the same symptoms along with a blown
> fuse--and
> the fix was replacing the convergence STK's and sometimes a
> resistor.
> This set has no blown fuses and all resistors on the convergence
> board
> check good. The STK's are not shorted. Could the convergence STK's
> still be bad? Any tips would be appreciated. R144 looks stressed
> and
> has changed color so I can't tell what value it should be. It
> measures
> 355 ohms in circuit. TIA.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
>
>
>
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