Possibly one of new parts defective!!!!One of the caps might have excessive ESR...... Bill Grabowski Triangle Appliance Shoreline Electronics wrote: > > Make : RCA > Model : G35300WK > Chassis : CTC169HA > > Original problem was a dead set. Q4101 shorted & U4101 defective. Changed > both along with the 47uf &2.2 & 15uf caps in the chopper primary. Also > changed CR4118 out of habit. Reinstalled chassis & set fired up great ..no > problems. Ran it for a few minutes then turned it off to hookup a cross > hatch. > > That was all she wrote.....now it tries to start...HV comes up for a second > then shuts down. It will do this 3 times then quit , pausing about 1 second > between these 3 self starting attempts. A couple times it even did this > routine 7 or 8 times in a row. Filaments are lighting up. > > 15V supply is at 14 volts or so during startup up...this is good! B+ is > 143V on the Horiz Output. Flyback pulse is clean is well! What is going > on here? Flyback pulse measures about 14.5us.......this should be > fine...no? The X-ray protect pin22 (U1001) goes to 0.22VDC....if I > disconnect the pin...still shuts down! > > 12V & 9V & 5V run supply all come online OK. Sweep derived supplies (-12V & > +26 & 200V Kine supply) all OK. > > B+ on the Audio outputs(+16V on pin 3 ,-17V pin10) are not being dragged > down at all! > > What am I missing here!!! Help!!!! > > Jeff Stielau > Shoreline Electronics Repair > 125 Beech Tree Lane > Westbrook, CT 06498 > 860-399-1861 > 860-664-3535 (fax) > jstielau@xxxxxxxx > > ------------------------------------------ > Make your TechAssist database better! > Submit Repair Tips here: http://www.tech-assist.org/secure/tip/ > ------------------------------------------ > To UNSUBSCRIBE your email address, click here: > mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe > Or send a BLANK email with unsubscribe in the > SUBJECT field to the address above. ------------------------------------------ Make your TechAssist database better! Submit Repair Tips here: http://www.tech-assist.org/secure/tip/ ------------------------------------------ To UNSUBSCRIBE your email address, click here: mailto:techassist-request@xxxxxxxxxxxxx?subject=unsubscribe Or send a BLANK email with unsubscribe in the SUBJECT field to the address above.