23 Jul
2000
23 Jul
'00
7:38 a.m.
On Sun, 23 Jul 2000, Tony Duell wrote:
I bought it ready-built.
There are a number of diodes in this scope (good thing it came w/ the
schematic, huh). Most of the ones in the sweep circuit are type
1S1588...and one 1S2076A. There are a few of both types in the
hor. and vert. amps as well.
I have the
Velleman (bought new about two years ago, because it looked
Did you get it ready-built, or did you spend an enjoyable hour or so
soldering up the kit like I did. It wasn't hard to put together... Both work fine, although the Leader has trouble
staying in sync (burnt out
valve maybe?)
Most trigger problems are due to old germanium diodes that have failed.
Must have replaced a good number in older 'scopes over the years...