Did you parrallel or series the zeners you should series 2-15's to get 30 but I only recommend as a test Robert tvservice@xxxxxxxxxxxxx H & H Electronics Inc Dallas, TX ----- Original Message ----- From: "Kevin" <kevintv@xxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Tuesday, March 09, 2004 1:12 AM Subject: [TechAssist] Re: Toshiba CX28510, TAC9005, brightness problem > D866 was shorted, but when I replaced it with 2-15 volt zener diodes, > there was no change. Either there is something else wrong in the same > circuit, or I need 1-30 volt zener diode. I will try to find a 30 volt > zener somewhere. > > Kevin Wilks > Kevin's TV & Video Repair > Penticton BC Canada > kevintv@xxxxxxx > > > -----Original Message----- > From: techassist-bounce@xxxxxxxxxxxxx > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Intrepid Video > Support > Sent: Monday, March 08, 2004 7:13 PM > To: techassist@xxxxxxxxxxxxx > Subject: [TechAssist] Re: Toshiba CX28510, TAC9005, brightness problem > > Kevin, > See if this helps, from Tech Repair CD; > TOSHIBA\CX28510\BLOOMING PROBLEMS WITH CHANGED IN SCREEN > BRIGHTNESS\\\\D866* 30V ZENER SHORTED\\\\\\\\ > > > > Jeff Dougherty > Intrepid Video TV/VCR > 263 S Front St > Steelton PA 17113 > fax...717-564-4952 > www.intrepid-video.com www.tech-repair.net > > ----- Original Message ----- > From: "Kevin" <kevintv@xxxxxxx> > To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx> > Sent: Monday, March 08, 2004 4:14 PM > Subject: [TechAssist] Toshiba CX28510, TAC9005, brightness problem > > > This set has a problem with the brightness circuit. When this set is > first turned on, the picture is black. When the OSD brightness is > increased a little bit the picture comes on and is washed out. I can > then turn the brightness down for an OK picture. But if I change > channels the picture goes black again. The OSD is still visible. TIA > > Kevin Wilks > Kevin's TV & Video Repair > Penticton BC Canada > kevintv@xxxxxxx > > > > > ------------------------------------------------------------------------ > ----- > 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/ > ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/