[TechAssist] Re: RCA Projo Model P46924
- From: armando guerra <birdie@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 06 Oct 2005 17:35:15 -0700
Thanks Jim for all the good tips.I will be doing this tomorrow and will take
whatever I have here to do the job.
Mando
AZ
Jim Myers wrote:
> That is a PTK195 and you'll probably need to repair the separate
> convergence power supply board.
>
> ---------------------------------------------------------------
> Text pasted from WinSTIPS 2.0
> http://www.ServiceSoftware.com
> ---------------------------------------------------------------
>
> PROSCAN PTK195CP
>
> Convergence Distorts Bad, And Pix Bows In From - Top & Bot. Usually
> After On A While.
>
> Robinson Electronics
>
> Replace (Burnt Open) Resistor R19233 On Convergence Board. 15k Ohms 3w.
> Mfr# 182374.
>
> ---------------------------------------------------------------
>
> RCA PTK195
>
> Convergence Bad. Bowed In Top And Bottom. No Voltages J19701
>
> E-C Short On Q19707 (Smd) Amp On Conv Power 1 Bd
>
> ---------------------------------------------------------------
>
> RCA PTK195
>
> Convergence Bad. Pincushion Bowed In From Top And Bottom.
>
> Robinson Electronics Chassis = PTK195DC
>
> Replaced Bad Conv. Pwr. Board. Rca# 250686 (Was #242675).
>
> ---------------------------------------------------------------
>
> RCA PTK195
>
> Convergence Menu (Customer Menu) Is Missing
>
> Heatsinks On Digicon Board Were Cold. Told By Rca Techline To
> Replace/Check Cr19709/10, Q19504 And Eprom On Digicon Board U19201 (8)
> For 5 Volts, All Of Those Devices Were Good.
>
> Started Checking Voltages And Found R19703 Was Open On Convergence Power
> Board, 750k 1/2watt.
>
> ---------------------------------------------------------------
>
> RCA PTK195
>
> Convergence Not Working And No Convergence Osd On Menu.
>
> Garris Radio & Tv - New Bern, Nc.
>
> Replace R19703 (750k-1/4w 193334) Even If It Checks Good. (Sometimes It
> Does Check Good And The Reg Ic Will Be Bad) And Change U19700
> (Stk730-130 215530). This Will Restore Convergence And The Convergence
> Osd Menu!
>
> ---------------------------------------------------------------
>
> The Old Master Technician
> ********************************
> Since 1972 *
> Jim Myers *
> Telrad Electronics *
> Fort Wayne Indiana *
> ********************************
>
> armando guerra wrote:
> > I have to do a service call on this model and according to the
> > customer,the convergence is real bad.The pix is curved at the top and
> > bottom also.Don't have the manual so I thought I would ask some of you
> > techs what # for the stk's or is it a complete convergence bd that has
> > to be replaced.Would like to know so that I can take what I have here as
> > far as parts is concerned.Thanks for your tips and help.
> > Mando
> > AZ
> >
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