[Elecraft] ksb2 problem
[email protected]
[email protected]
Sun Jun 15 15:21:02 2003
i built k2 03459 basic k2 works fine problem is with ksb2 on instalingksb2my
adio isvery muted to prove k2 is ok another ksb2 was tried and worked ok
taking voltage readings on the diodes k2 set up as per manual i fpund the voltages
way out. eventualy i found a open trace from rfc 1 (rfc)to cap 17 to prove my
soldering was ok ichecked continuaty from cap 17 to pin 22 u1 this was ok
rfc1 to cap 6 ok i bridged the open this restored the corrct voltages to the
diodes but adio is still muted taking volts readings on all ics they proved to
be ok .except pin 3 ic u4 and pin 5 ic u2 which are comon the manual says
0.6 my reading is 5.6v i question this because the other ksb2 showed 5.6
also at this point i have checked over and over again for bad work any
sugestions would be apreceated best wishes to all on the net tom g0 lne
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