In article ,
"tom" wrote:

"isw" wrote in message
...
A friend came across one of these, a bit dirty but otherwise looking OK.
Green pilot lights up, but the screen does not, even in a darkened room.

Are there well-known failure points in these? Where to find a schematic
and/or service manual?

Isaac

Service manual and Operators manual he

http://w140.com/tekwiki/wiki/2235

Also you might join the tek yahoo group and describe your findings there.

https://groups.yahoo.com/neo/groups/TekScopes/info

Thanks.

Isaac