Measure the focus voltages with HV probe, should be around 4-6kv.hth Country TV Ron Miller Inez, TX. 77968 ----- Original Message ----- From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Wednesday, June 22, 2005 12:06 PM Subject: [TechAssist] Re: Mitsubishi CS-40505 arc/snapping... 40" DTV! >I removed the back, turned it on. The snap was from the CRT neck area. I > unplugged the CRT board and hung it loose.Powered set on and looked at > the board...the arc/snap showed it was going from one focus pin to the > other across the top of the socket plug holes. This CRT socket has two > seperate pins together I assume are focus. It's these. Is this a socket > issue, do I open it and scrape it, Think it's excessive focus voltage > from a bad fly? > If socket is bad, wonder if I can pack with silicon RTV... > Phil Bader > > Philip Bader > Jan Phyl TV Inc. (estab. 1976) > 3420 Recker Hwy. Winter Haven, Fl. 33880 > Fax (863) 299-8821 > email: tjanphyl@xxxxxxxxxxxxxxx > > > > Randall Torda wrote: > >>Check the CRT socket spark gap for carbon tracks or corrosion. >>The socket is a special size and is NLA from Mitsubishi. >>The bad socket will usually have focus problems, startup or >>shutdown problems. Had one about a month ago and that >>monster went to the landfill because of NLA parts. >> >>Autolectrics >>Randall Torda >>284 Makua Street >>Wailuku, HI 96793 >> >>On Wed, 22 Jun 2005 09:33:34 -0400 Phil Bader <tjanphyl@xxxxxxxxxxxxxxx> >>writes: >> >> >>>This set is 9 years old.I didn't know Mits made a 40 inch direct view >>> >>>TV! Or anyone back then. >>>Customer said it started out getting as bit blurry (focus poor) then >>>a >>>series of HV arc- snaps getting worse as time went on. >>>Anyone work on these behemouths? >>>Phil Bader >>> >>>-- >>> >>>Philip Bader >>>Jan Phyl TV Inc. (estab. 1976) >>>3420 Recker Hwy. Winter Haven, Fl. 33880 >>>Fax (863) 299-8821 >>>email: tjanphyl@xxxxxxxxxxxxxxx >>> >>> >>> >>> >>------------------------------------------------------------------------- >>---- >> >> >>>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/ >> >> >> >> > ----------------------------------------------------------------------------- > 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/