In article ,
wrote:
Model number ?
If it's a 2235, 2236, and I think the 2215, it's because they
used a bunch of underrated 1/2 watt carbon comp resistors in the
focus divider chain. Put too high a voltage on them and they
shift in value.
Mark Zenier
Googleproofaddress(account:mzenier provider:eskimo domain:com)