ELECRAFT KAF2 Betriebsanweisung Seite 22

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If some of the above VCO control voltage readings are < 1.0 V, or some
of them are > 7.5 V, you may be able to shift the entire set of readings so that
they are all within the 1.0 to 7.5 V range. Switch to the band (and frequency)
that had the highest or lowest voltage, then adjust L30 to bring that reading
into range. Then re-measure all of the voltages to make sure they're in range.
Δ
If you have some voltages that are < 1.0 V and others that are > 7.5 V,
you may have installed the wrong value at one or more of the VCO capacitors
(C71 - C74) or varactor diodes (D21 - D26). Another possibility is that T5 has
the wrong number of turns or that you installed the wrong type of slug-tuned
inductor at L30. ALTHOUGH MOST LIKELY YOU EITHER FORGOT
TO CHANGE THE EXTENDED VFO RANGE (D19) SECONDARY
MENU SETTING TO “YES” (AS DESCRIBED ON PAGE 60), OR YOU
DID A HARD FACTORY RESET WHICH UNDID THIS CHANGE! If
you change any of these components OR THE (D19) SECONDARY MENU
SETTING, you need to repeat the VCO alignment procedure.
KAT2
KBT2
KPA100
KAF2
KDSP2
KNB2
K160RX
K60XV
KSB2
Multiple
REWRK-FREE K2 ASSEMBLY
The K2 manual is the intellectual property of Elecraft, Inc, copyright © 1999-2012, all rights reserved, used with permission.
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