Hi Don a tip here for you Eric Prima XT-2079 Dead. C511 exploded , R507 overheated Replace C511 (47uf/50v) , R507 (1.8Kohm) Eric E M Electronics Deer Lake Nfld Canada tvman@xxxxxxxxxxxxxxx Don Hartigan wrote: > Customer dropped this unit off.Said no power on.Plugged it in on test bench > &heard a loud bang & smoke.Removed the cover & found a cap in the > SMPS,location # C511 destroyed.Schematic says it's a 47ufd@50v .I removed the > remains of C511.Before installing a new cap I checked the other components in > the SMPS & all aok,as was the HOT & accosiated ccts.I powered the unit ''ON'' > & have normal operation,ie good audio & video.This is with C511 out of cct.I > measured 22.5 vdc across the solder pads of C511& 80.25vpp with the scope.I > though the orginal cap was under rated for this cct,so I installed a > 47ufd@100vdc .Now the set will not power on???I reinstalled the exact value > as the orginal,47ufd@50vdc;still no power on.I removed the C511 cap & all is > aok????I'm stumped!! BTW if you have any of these units gathering dust in > your shop ,I suggest removing this cap for a ''no power on problem''.It may > be a FIX.....Anyone having an input,I'm all > ears...........TIA.........regards........ . > Don of HARTS-TVCR"ASC" > 9 Robert St.,Oromocto,NB,Canada,E2V3N2 > Tel#506-357-9785,Fax#506-357-6010 > hartstv@xxxxxxxxxxx > ----------------------------------------------------------------------------- > This Email List is Public. Remove: http://www.tech-assist.org/remove.htm > Lost Password: http://www.tech-assist.org and select "Login Problems?". > Appliance Repair List: http://www.tech-assist.org/secure/tip/chatjoin.htm#app > Email Archives: //www.freelists.org/archives/techassist/ > ----------------------------------------------------------------------------- This Email List is Public. Remove: http://www.tech-assist.org/remove.htm Lost Password: http://www.tech-assist.org and select "Login Problems?". Appliance Repair List: http://www.tech-assist.org/secure/tip/chatjoin.htm#app Email Archives: //www.freelists.org/archives/techassist/