Don:
By the way: when I get to C225 the signal disappears. I have signal through
the junction of D3 & D4. Therefore no signal on C225, C226 and C227.
I checked the toroids and they are ok. I forgot to mention I purchased the
full set of toroids from the "Toroid Guy" and they look impeccable. I might
have ruined some of them with my soldering though...
Let us see if I have this correctly: looking down on the RF board I made a
continuity check from the left side component lead of C225 to the back lead
of C227. Is this correct?
Thank you
73
Manuel
LU5OM
----- Original Message -----
From: "Don Wilhelm" <[EMAIL PROTECTED]>
To: "Manuel Wilches" <[EMAIL PROTECTED]>;
<[email protected]>
Sent: Saturday, February 25, 2006 12:16 AM
Subject: RE: [Elecraft] K2 RECEIVER: WHERE ARE THE SIGNALS?
Manuel,
If you can receive a signal with an antenna connected to C225, but not
C226,
or 227, your most likely problem is improperly tinned toroid leads on
L25 -
but check L26 while you are working in that area.
A quick check is to make a continuity check from the top end of C225 to
the
top end of C227 - if you measure much more than zero ohms, the toroids are
not properly tinned and soldered.
73,
Don W3FPR
-----Original Message-----
I tried N0SS's probe and I pick up a strong signal through all
test points
up to C225. I have no signal pick up there nor at C226 or C227. I did not
check W6 and W1 because I did not install those jumpers (I followed the
Rework Eliminators instructions that call for other steps). I do
not know if
there is an alternative test point for those. I have been through
the usual
checks for bad solders etc.
I have used the proper solder and a controlled temp soldering station.
I would very much appreciate your assistance and guidance. I have
had the K2
on for hours now (playing with the keyer) and there has been no
change. It
looks great, that is for sure!
Thank you very much
73
Manuel
LU5OM
CT4IK
K2 # 5310
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