[Elecraft] K2 troubleshooting
John Wiener
jawod at fuse.net
Wed Jun 7 21:05:00 EDT 2006
I SHOULD be embarrassed by my mistakes...but, I figure, I am learning
more electronics in the last few months than I ever did in my early
years. So, I really don't mind sharing them with the group. Hope
the group doesn't mind.
Here's the latest news:
Yes, as noted before I found errors relating to confusing 560
designation and 561 and 820 designation and 821.
I found the "evil twins" tonight: C228 was a 561 (supposed to be
560) and C210 was a 821 (supposed to be 820)
So C4 is now correct (821) and C12 is correct (561)
I will get the right caps for C228 and 210 and start alignment over.
Now, as I was reviewing solder joints, etc., I noted that one of the
solder pads for C4 was touching the outer can tab of L1.
My question:
Is this a solder bridge, or is there supposed to be a connection
between C4 pad and outer (ground) tab of L1?
I looked on N0SS's PCB pix and I cannot tell if a connection exists
there or not. (thanks, by the way, to Tom for the pix).
John
AB8WH
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