Discharging CRT anode and capacitors on a VT52 DECscope

From: Ashley Carder <wacarder_at_usit.net>
Date: Wed May 26 21:21:49 2004

I recently acquired two VT52 DECScopes and I am
ready to begin the troubleshooting process. I've
never attempted to troubleshoot a CRT device
before, and I don't want to get blasted across
the room if I do something wrong. Has anyone here
worked on these types of terminals before? I'm
finding conflicting info on the proper method of
discharging the CRT anode. I have turned both
of them on. One lights up with random patterns,
no cursor, and a clicking sound. The VT52 maintenance
manual indicates that this is likely a problem with
the anode clip or anode cap. I'd like to move on
to the next step after I make sure that both the
clip and cap are secure.

Can an "expert" here provide some proper directions
on how to discharge the anode and capacitors? How
long do these things on a charge?

Ashley
Received on Wed May 26 2004 - 21:21:49 BST