[TechAssist] Re: partial fix,RCA P46811LV, PTK195AA , need convergence power supply parts ID. R19717

  • From: "repair11" <repair11@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 25 Jul 2005 13:03:16 -0500

Phil, R19717 is a 30K 2 Watt,hth.





Charles Betzler
Best Electronics
repair11@xxxxxxx
----- Original Message ----- 
From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, July 25, 2005 1:01 PM
Subject: [TechAssist] partial fix,RCA P46811LV, PTK195AA , need convergence
power supply parts ID. R19717


> I still have the bowed picture and no output from the converg. power
> supply board.I ordered another STK730-130. Before I install it, I found
> an open 1 watt resistor on the same board: R19717. Bands LOOK like
> brn-blk-brn , but can't be sure.  need value.
> Phil Bader
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
> personal/ alt. email: pbader@xxxxxxxxxxxxxxx
> see our ad at:
>
http://jan-phyl-television-pc-monitor-service.9601288257006.worldpages-ads.com/
>
>
>
> Phil Bader wrote:
>
> >A quick check of the converg. power supply board showed only a few volts
> >output, so I ordered another STK730 IC for that module.BTW If I unplug
> >that AC wire/plug from the main board that plugs into the conv. power
> >supply (delivers the 120VAC) the geometry is unchanged, so with or
> >without the conv.PS even powered,same look? I think the STK is it. Will
> >install and see.This is a likely suspect since it started with power
> >outtages. You are right, it could be a corrupt eeprom. If so, I can
> >basically just go into the service menu and do a converg. alignment back
> >where it belongs without replacing the eeprom? When we say "corrupted
> >eeprom" it really means some of the values changed,thereby affecting
> >that parameter,I ASS-U-ME!
> >;-)
> >Thanks for the help.
> >Phil
> >
> >Philip Bader
> >Jan Phyl TV Inc. (estab. 1976)
> >3420 Recker Hwy. Winter Haven, Fl. 33880
> >Fax (863) 299-8821
> >email: tjanphyl@xxxxxxxxxxxxxxx
> >personal/ alt. email: pbader@xxxxxxxxxxxxxxx
> >see our ad at:
>
>http://jan-phyl-television-pc-monitor-service.9601288257006.worldpages-ads.
com/
> >
> >
> >
> >Damon wrote:
> >
> >
> >
> >>Did you check the Convergence Power supply to see if it was running? Can
you
> >>adjust anything in the Convergence circuit? BTW I think the Convergence
> >>board BOWS only the top and bottom of the picture when the power supply
> >>shuts off.......I think I've had a couple of these units intermittantly
turn
> >>itself off, and the price of the board was cheaper than spending hours
> >>identifying the intermittant.
> >>
> >>I think I'd check for adjustability and EEprom storage capability
> >>first....pick a grid point, adjust it out of specs a little, store it,
then
> >>back out (use only one out of 3 colors, keep a reference color). Go back
in
> >>and see if it "remembers", if so, then the EEprom most likely just lost
it's
> >>DATA.
> >>.....and you don't have to invest in a new Conv Board. But if it needs
one,
> >>you will RUE the day all manufacturers started putting the sensors on
the
> >>edges of their screens. Getting "green-OK" is a pain.
> >>
> >>Damon B
> >>Telrad Electronics
> >>Fort Wayne IN
> >>----- Original Message ----- 
> >>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> >>To: <techassist@xxxxxxxxxxxxx>
> >>Sent: Thursday, July 21, 2005 3:25 PM
> >>Subject: [TechAssist] partial fix,RCA P46811LV, PTK195AA bowed, jagged
> >>buzzing pix after home power flickered
> >>
> >>
> >>
> >>
> >>
> >>
> >>>Partial fix. The jagged picture looked like arc, so I reseated the HV
> >>>input lead to the HV Splitter block.Then it cleared up.That was it. Now
> >>>the bowed display. Since the bow happened after multiple power
> >>>outtages,think the eeprom got corrupted?
> >>>Phil
> >>>
> >>>Philip Bader
> >>>Jan Phyl TV Inc. (estab. 1976)
> >>>3420 Recker Hwy. Winter Haven, Fl. 33880
> >>>Fax (863) 299-8821
> >>>email: tjanphyl@xxxxxxxxxxxxxxx
> >>>personal/ alt. email: pbader@xxxxxxxxxxxxxxx
> >>>see our ad at:
> >>>
> >>>
> >>>
> >>>
> >>>
>
>>http://jan-phyl-television-pc-monitor-service.9601288257006.worldpages-ads
.com/
> >>
> >>
> >>
> >>
> >>>Phil Bader wrote:
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>>Customer said the house power failed 4 times. After that the set
looked
> >>>>this way. I can make out the OSD and tuner video and sound, but the
> >>>>picture js very bowed, distorted with a kind of "christmas tree
> >>>>jaggedness. I was thinking the main power supply was faulty. I
unplugged
> >>>>the main AC wires to the converg. power supply board but same. ALSO!:
> >>>>The screen G2 wire let go from inside the fly.Looks like a small peice
> >>>>is still in there. Am I screwed there?
> >>>>Phil
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
>
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