Mo, I had some success in the past by running those sets at 90 volts on the variac....then adjusting the Horiz. Freq. parameter....something to try.
Calvin Neal Orrington Electronics Orrington, Maine --- Mo Dale <[EMAIL PROTECTED]> wrote: > Where would this safety cap go...? > > Mo Dale Mailto:[EMAIL PROTECTED] > Fey's Electronics > 2027 S. Main St. Suite 2 > Bloomington, Il 61704 > FON 309-829-7151 > FAX 309-829-0619 > > The son of man did not come to serve, but to be > served... > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf > Of Wayne Vanaman > Sent: Wednesday, February 18, 2004 7:42 AM > To: ELECTRONICS PROFESSIONALS LIST > Subject: Re: [Techs] T/A: RCA Commercial set > CTC177AW2 Model > J25230BLShutdown... > > > Mo: > > Tack in (Add) in parallel another "safety" cap. > This will keep the HV down > and allow the set to run. Then you can scope a > pulse such as the 200v line > if you can't get on the HOT collector, and get back > into the menu, albeit > with a smaller, dimmer picture. Then you can change > the H freq. back to > where it should be. You can watch the time on the > scope and adjust for > 63.5uS interval. > > Now you can remove your extra cap and the unit > should work. If it doesn't, > you know that your H time is correct, troubleshoot > for HV shutdown. > > > Wayne Vanaman > Omega Electronics > 6904 W Fairfield Dr > Pensacola, Fl. 32506-3310 > > [EMAIL PROTECTED] > WWW.PensacolaTVRepair.Com > > 850-456-5995 voice > 850-458-6369 fax > > > ----- Original Message ----- > From: "Mo Dale" <[EMAIL PROTECTED]> > To: "Tech-bounce" <[EMAIL PROTECTED]> > Sent: Wednesday, February 18, 2004 6:05 AM > Subject: [Techs] T/A: RCA Commercial set CTC177AW2 > Model J25230BL > Shutdown... > > > > I trouble-shot this to C4402 after having replaced > T4401, T4301 Q4301, > > Q4401, C4403, C4404, and the EPROM. > > > > Replaced original EPROM and set would still shut > down. I used a CTC177AF@ > > EPROM to test... > > > > After replacing EPROM I went to set the Horizontal > Frequency in factory > > menu. When the unit got near to proper frequency > Set shut down... > > > > Now have two proms that don't work with this set. > > > > BTW... Resoldered the tuner prior to all this as I > suspected the EPROM > > originally. > > > > Anyone with some ...one idea where to go next...T1 > chip? > > > > Mo Dale Mailto:[EMAIL PROTECTED] > > Fey's Electronics > > 2027 S. Main St. Suite 2 > > Bloomington, Il 61704 > > FON 309-829-7151 > > FAX 309-829-0619 > > > > The son of man did not come to serve, but to be > served... > > > > > > > > _______________________________________________ > > Tech Repair CD...order your just $49.00 plus > shipping...One year of > updates free. > > www.intrepid-video.com www.tech-repair.net > > Techs mailing list > > [EMAIL PROTECTED] > > > http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com > > > > > _______________________________________________ > Tech Repair CD...order your just $49.00 plus > shipping...One year of updates > free. > www.intrepid-video.com www.tech-repair.net > Techs mailing list > [EMAIL PROTECTED] > http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com > > > > _______________________________________________ > Tech Repair CD...order your just $49.00 plus > shipping...One year of updates free. > www.intrepid-video.com www.tech-repair.net > Techs mailing list > [EMAIL PROTECTED] > http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com __________________________________ Do you Yahoo!? Yahoo! Mail SpamGuard - Read only the mail you want. http://antispam.yahoo.com/tools _______________________________________________ Tech Repair CD...order your just $49.00 plus shipping...One year of updates free. www.intrepid-video.com www.tech-repair.net Techs mailing list [EMAIL PROTECTED] http://intrepid-video.com/mailman/listinfo/techs_intrepid-video.com
