[R-390] RF Deck B+ short (390A)

[Roy Morgan]

On Nov 19, 2014, at 2:01 AM, Bill Hawkins <bill at iaxs.net> wrote:

> Problems like that are best solved by successively cutting them in half.
> 
> Pick a place on the B+ line about halfway along the schematic and
> unsolder it. Now you only have half the RF deck to search, so you 
> cut that one in half, and so on until you can't miss it.

There has been circulated a method to isolate a short in the B+ by unplugging the modules in a certain sequence.  I seem to remember this from some manual, or maybe it was a post by Roger.

In any case, put the ohm meter on the B+ line and unplug things one at a time.

Roy



Roy Morgan
RoyMorgan at alum.mit.edu
K1LKY Since 1958