Gregg Lengling wrote:
I've got a Rev A K2 (#529) that a friend brought to me to upgrade to all the
Rev B mods ect. Before I did the mods I fixed some problems....low audio
out (bad solder joint) and other minor probs. So before I started the
upgrades it was working.
Here's the problem now. The radio works great except for the following on
receive:
Very low recovered audio and low S meter reading................
I'm looking in the preamp/mixer and receive VFO area....I found on
the VFO (Q18) the original owner put another 1N4148 on the bottom of the
board across D13 in the opposite polarity....was this something I didn't
hear about (with or without I still have the problem). I've checked the
voltages on the VFO and Buffer and the preamp and everything looks good. So
does anyone have some ideas.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Hi Gregg:
I'd take a close look around the post-mixer amp (Q22).... looking at
R82, RFC11, in particular.
73 & GL
Ken Wagner K3IU
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