Ed, switch mode is operational, I have raw B+ at collector of chopper and Regulated B+ (144 volts) on collector of HOT, problem is with 15v line I think, thanks, Larry Larry Eastman American TV & Electronics Crystal River, Fl. Edward Gaidies wrote: > Have you replaced the parts in the Regulator circuit. 3 Caps and the IC. > > -Ed- > > Tel-Tek Electronics > Midland, Ontario > Canada. > teltek2@xxxxxxxxxxxx > ----- Original Message ----- > From: "Larry E." <videotech@xxxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Friday, September 20, 2002 1:12 PM > Subject: [TechAssist] RCA CTC169BG2 model# F35100ST Dead > > > >>Hi guys, working on a CTC169 BG2 chassis, set develops HV for 1 second >>and immediately collapses,I have normal Raw and Regulated B+, 15v >>standby is @ 12.5 volts, 5 volt standby is 4.8 volts. Replaced cr4118 >>and C4145 made no difference. Pulled the jumper wire jw324 to disconnect >>the 15 volt B&C loads and the 15v line only came up to 13.6, is this >>normal B+ in standby or does it indicate a load on the 15 volt "A" >>source ? HV doesn`t stay up long enough to indicate if the 26 volt >>scan derived source is trying to develop or not, any help appreciated. >> >>-- >>Larry Eastman >>American TV & Electronics >>Crystal River, Fl. >>http://www.tvjunkyard.com >> >>------------------------------------------ >>To REMOVE your email address, click here: >> http://www.tech-assist.org/unsubb.html >>To CHANGE your email address, click here: >> http://www.techassist.net/forms/change.html >>------------------------------------------ >>***NEW*** Tips Added Instantly!!!*** >>Submit Repair Tips here: >>http://www.tech-assist.org/secure/tip/ >> > > ------------------------------------------ > To REMOVE your email address, click here: > http://www.tech-assist.org/unsubb.html > To CHANGE your email address, click here: > http://www.techassist.net/forms/change.html > ------------------------------------------ > ***NEW*** Tips Added Instantly!!!*** > Submit Repair Tips here: > http://www.tech-assist.org/secure/tip/ > > > > -- Larry Eastman American TV & Electronics Crystal River, Fl. http://www.tvjunkyard.com ------------------------------------------ To REMOVE your email address, click here: http://www.tech-assist.org/unsubb.html To CHANGE your email address, click here: http://www.techassist.net/forms/change.html ------------------------------------------ ***NEW*** Tips Added Instantly!!!*** Submit Repair Tips here: http://www.tech-assist.org/secure/tip/