Hi Don try this Q501-2Sk3326 may be leaky also check D607-15 volt zener in 12 volt line this diode is by the audio ic Eric E M Electronics Deer Lake Nfld Eric Manuel MagLfixIt4ya@xxxxxxx wrote: > > Hello all, fuse ok, at plug in there is a chirp but no relay click, no action > pressing the power on/off button. Rectifier diodes D501 through D504 are good > and I get 162vdc in that part of the pwr sup. Switcher FET Q501=2sk3326 seems > good Q507 is good and the H.O.T. Q401 is good. This is one of the newer set's > and I have nothing in my data log. Has anyone seen this model? Any help is > appreciated. > > Don@ Affordable Electronics Repair > 153 Garfield Place > Brooklyn NY 11215 > 718-788-0384 > > > > ----------------------------------------------------------------------------- > Lost Password: > http://www.tech-assist.org and select "Login Problems?". > Email Archives: > //www.freelists.org/archives/techassist/ ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/