CRT=Cathode ray tube (picture tube) CBA=circuit board assembly TV Doctor avalon, Wi Heading out for christmas shopping---ugh ----- Original Message ----- From: "Kevin" <kevintv@xxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Saturday, December 20, 2003 12:58 AM Subject: [TechAssist] Re: Toshiba TP4870B Projection TV Dead, chassis#? > What is the CRT cba? > > 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 Jeff F > Sent: Friday, December 19, 2003 9:23 PM > To: techassist@xxxxxxxxxxxxx > Subject: [TechAssist] Re: Toshiba TP4870B Projection TV Dead, chassis#? > > If you pull the yoke plug---just make sure to disconnect the CRT cba for > the > same tube at the same time. That should prevent any burning of the > phospher. > > TV Doctor > Avalon, Wi > > > ----- Original Message ----- > From: "Kevin" <kevintv@xxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Friday, December 19, 2003 9:45 PM > Subject: [TechAssist] Re: Toshiba TP4870B Projection TV Dead, chassis#? > > > > I had a Toshiba that was 4 years old do the same thing. The solution > > turned out to be the red yoke was shorted. Ring the yokes to see if > one > > rings different from the others. You can also use an ohm meter to > > measure the resistance of the windings. I tested mine by pulling one > > yoke at a time and turning it on. When I pulled the red yoke the > set > > stayed on. I was told by another tech that pulling one yoke at a time > > could damage the set. Try the first two methods first. HTH > > > > 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 Jerry > > Sent: Friday, December 19, 2003 6:38 PM > > To: techassist@xxxxxxxxxxxxx > > Subject: [TechAssist] Toshiba TP4870B Projection TV Dead, chassis#? > > > > Dead set. When this is plugged in, will come on for an instant with > high > > voltage and shut down. Standby supplies are there. Micro has power, > and > > key & remote input seems to be there. I have no data for this set > > (about 10 years old) and don't want to have to order it for a set this > > old. If anyone has lit. for this I could beg, borrow or can be > > uploaded, I would appreciate it or any tips for this set. By the way, > > my job situation has changed so I haven't had time recently to get on > > here very much, I hope that will change soon. > > Jerry Eiting > > Christians Electronic Service > > Troy, Ohio > > > > > > > ************************************************************************ > > ***** > > 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/ > > ***************************************************************************** Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/