[Elecraft] Using Digital VM? (Control Board K2 # 5422)
F and J
ncsailors at yahoo.com
Tue Mar 28 07:07:18 EST 2006
I could use someone's help - to understand the
"resistance" measurement values, at the end of each
PCB's completion in manual. I tried making readings
with an analog VM and got values too small for some of
them.
At a K2 builder's recommendation - I bought an
auto-ranging DVM.
In measuring resistances for Control Board,
(page 21 table). On a few Control Board measurements,
I'm getting MUCH higher resistances than table
indicates:
U6 pin 13 supposed to be > 100k got INFINITE
U6 pin 14 supposed to be > 100k got INFINITE
U6 pin 29 & 30 to be > 70k got 85k
U8 pin 2 to be > 100k got 6.6meg
U8 pin 15 & 16 to be > 100k got INFINITE
The INFINITE measurements I got for a few of the IC
pins - were right up there, like an "open"? I don't
know how to interupt this with a DVM?
Do these readings sound reasonable?
Thanks, 73's
Fred N3CSY
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