These are all the results from my techrepairCD (intrepid-video) search by model number...: Sony~KF50XBR800~Tries to start~~~~If the customer can hear the short ark sound as the lamp tries to start then he needs a lamp~~~~~~ Sony~KF50XBR800~The standby LED blinks 6 times. No picture or sound~~~~6 Blinks means that there is a Low B error. Check for +5V on the G board~~~~~~ Sony~KF50XBR800~The standby LED blinks 5 times. No picture or sound~Page 8 of the service manual lists the diagnostic codes~~~5 blinks indicates that the Lamp Driver is faulty. This means that the lamp or lamp driver board may be defective~~~~~~ Sony~KF50XBR800~The standby LED blinks 3 times. No picture or sound~~~~Check the lamp cover on the front of the unit as this error indicates that it is not secured properly or that the sensor is malfunctioning~~~~~~ Sony~KF50XBR800~Per Sony: These models have no known issues with their lamps so please do not change lamps or lamp drivers unnecessarily.~Also* the lamp is intended to be a customer replaceable item so a service call to the home is not required if the lamp does go out~~LCD~The power block is 1-468-510-13 item location #201 119 ! A-1601-753-A LAMP BLOCK ASSY (RP) gets you a light bulb~~~~~~ Sony~KF50XBR800~Lamp LED flashes. No picture and no sound~~~~The lamp is burned out~~~~~~ HTH, Phil Bader Philip Bader Jan Phyl TV Inc. (estab. 1976) 3420 Recker Hwy. Winter Haven, Fl. 33880 Fax (863) 299-8821 email: tjanphyl@xxxxxxxxxxxxxxx tvservice wrote: >Hi group, >am servicing this proj tv it will come on normal for about 1 minute then >picture and sound go off, lamp goes out. >Just as it goes out the "standby led" starts blinking, at 30 blinks you hear a >click (relay) and at 4 more blinks picture and sound are back. It will operate >about another minute and repeat cycle. >Is this a lamp or ballast problem? >I remember seeing something posted about the Sony LCD projection sets having >some ballast modification but I didn't save them. >Please any help would be appreciated > >Robert >tvservice@xxxxxxxxxxxxx >H & H Electronics Inc >----------------------------------------------------------------------------- >This Email List is Public. 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 Public. 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/