KL7IKV writes:
Should I just replace Q5 and D18 or what? Seems odd
that they would
fail after several years. Any ideas appreciated.
KL7IKV
---------------------------------------------------
I have K1 # 1423, I also had a failure of output. I
replaced Q5 and D19 (Rev F).
Later I found Q5 was good and only the diode was
shorted.
I have added a polyfuse to the K1.
Info at http:tyrrell.us/amateur/
link is listed as "poly fuse mod".
Hope this helps.
73, Ty, W1TF
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