[Elecraft] Problem wth new K1 Build

Paul Webb m0bmn at yahoo.co.uk
Sun Dec 25 18:00:16 EST 2005


Hi All and all the best for Christmas

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I Have just completed the build of my new K1 (Christmas present to =
myself)
but I have a problem,

I have a 4 band module that I now works fine in another K1 I have tried =
it
in so im sure that there is no problem with that

It passed all the tests fine on RX ,and with the 4 band module above =
fitted
no problem picking up sigs.

I carried on and added the Tx section and started doing the checks =
there,
all seemed fine until I got to the TX check stage.

I use a current limiting supply and set it to 500mA @ 13v

I noticed the rx current with the back light on was just under 70mA so
that=92s about right.

When I go to TX by holding in WPM+ & WPM-

I found that the psu was drawing the 500ma and current limiting (even =
with
power request set to 0.1W)

I stopped the test at this stage, unplugged the filter board and =
re-checked
all the voltages in section 9 page 46 of the manual,

All seems bang on, I put it back into tune mode without the filter board =
and
noticed that Q6 was just warming up, current drain was around 200mA

Im not sure where to go from here anyone any ideas, it would be great to =
get
the K1 running in the next couple of days for the g-qrp clubs winter =
sports.

Hope someone can help

Paul

M0BMN

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