I have the print on this set if you still need it let me know Andrew rose action TV ----- Original Message ----- From: "Bob@Bobs tv" <woodman1@xxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Friday, March 12, 2004 1:27 PM Subject: [TechAssist] Re: Mitsubishi mod# CS-2720R Need power supply schematic > Jose, > Does the relay have voltage when its in the set? Did you try jumping > the AC side with a light bulb? What I usually do with no print is follow > trace back from coil side, it normally goes the the collector of the relay > drive. Check the base of that transistor and see if it toggles on/off when > you hit the power button. If it does not you could even have a bad/missing > +5V supply... Don't forget the glue that eats the foil bottom side and top > side going across the jumper wires.. > Hope this helps > Bob, > > Bobs TV Worcester, ma > > woodman1@xxxxxxxx > > Main 508-853-1482 > Fax 508-853-1480 > ----- Original Message ----- > From: <Javiles6@xxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Thursday, March 11, 2004 4:08 PM > Subject: [TechAssist] Mitsubishi mod# CS-2720R Need power supply schematic > > > > Hello techs > > I have done everything that i can to try and get this set to turn on but > no > > luck. I have remove the relay and apply 12V to it and it kicks. I have > also > > check the degaussing coil out of circuit and is good, so is the turn on > switch. > > My question is this, does this set have a transistor that activates the > relay > > or does it have a turn on transistor? I have check the diode that is > across the > > relay and it checks good. I have also check R591 and is right on the > > money(27K). Any inputs are always appreciated. > > > > Thanks > > > > Jose > > > > > > Aviles Computer & TV Repairs > > 508 Bingaman St > > Reading, PA 19602 > > Tel # 610-478-1342 > > > > > > > > -------------------------------------------------------------------------- > --- > > 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/ ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/