I bet you find your problem with the A board regulators. Please post your findings! ========================== Jeff Stielau Shoreline Electronics Repair 344 East Main Street Clinton,CT 06413 860-399-1861 860-664-3535 (fax) jstielau@xxxxxxxx ======================== ----- Original Message ----- From: "Robinson Electronics" <RobinsonElectronics@xxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Sunday, November 27, 2005 9:44 PM Subject: [TechAssist] Follow up: Sony Proj. KP-43T90 Chassis RA-3B. No video, sound ok, OSD / menu is bowed, mis-converged. > Anyone have any tips or notes on this chassis, working with out a > schematic? > These voltage test points G board check good: > TP 19v. (ok) > TP +15v. (ok) > TP -15v. (ok) > TP 11v. (ok) > TP -12v. (ok) > TP stby 5v. (ok) > TP 200v. (ok) > TP 135v. (ok) > On G board connector CN202 to A board CN501 > the -5v. (ok) > but the +5v. measures only 3.6v! > With clip CN202 lifted +5v. measures 4.3 > Going to check the 9v. supplies on the A board tomorrow. > Maybe someone has ran into this before, or can help? > > Robinson Electronics > 1075 Sweeten Creek Road #51 > Asheville, NC 28803-1757 > Ph./Fax. 828 274-3787 > Toll Free. 1-888 ROBELECT > www.robinsonelectronics.com > www.robelect.com > Mailto: RobinsonElectronics@xxxxxxxxxxx > > ----- Original Message ----- > From: "Robinson Electronics" <RobinsonElectronics@xxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Monday, November 21, 2005 7:32 PM > Subject: Sony Proj. KP-43T90 Chassis RA-3B. No video, sound ok, OSD is > bowed, mis-converged. > > >> Can one of you Sony Techs help us out with this set? >> Set powers on with a blink code of 6 blinks, then led stays on but no > video >> at all, sound is ok though., and the OSD comes on but is bowed and not >> converged. I changed both of the convergece ic's anyway (not the problem >> though). >> Has anyone encountered this, that can help us, or offer some possible >> problem areas? >> Thanks. David. >> >> Robinson Electronics >> 1075 Sweeten Creek Road #51 >> Asheville, NC 28803-1757 >> Ph./Fax. 828 274-3787 >> Toll Free. 1-888 ROBELECT >> www.robinsonelectronics.com >> www.robelect.com >> Mailto: RobinsonElectronics@xxxxxxxxxxx >> > > ----------------------------------------------------------------------------- > This Email List is accessible to the general public through search > engines. Remove: http://www.tech-assist.org/remove.htm > Set Vacation > mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation > Lost Password: http://www.tech-assist.org and select "Login Problems?". > Email Archives: //www.freelists.org/archives/techassist/ > ----------------------------------------------------------------------------- This Email List is accessible to the general public through search engines. Remove: http://www.tech-assist.org/remove.htm Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/