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<DIV>Hi Lin</DIV>
<DIV> </DIV>
<DIV>Have you checked for any dry joints or poor switch contacts
on range E? Apply a very small amount of switch cleaner to the switch
contacts.</DIV>
<DIV> </DIV>
<DIV><FONT lang=0 size=2 face=Arial FAMILY="SANSSERIF"
PTSIZE="10">73<BR></FONT><FONT lang=0 color=#0000ff size=4 face=Arial
FAMILY="SANSSERIF" PTSIZE="14"><I><BR>Bob</FONT><FONT lang=0 color=#000000
size=2 face=Arial FAMILY="SANSSERIF" PTSIZE="10"></I><BR>Bob F Burns G3OOU<BR>C
Eng, FIET, MSE<BR>G-QRP 6907<BR>Crystal Palace Radio & Electronics Club:
www.g3oou.co.uk<BR>Technical web site: <A
href="http://www.qsl.net/g3oou">www.qsl.net/g3oou</A><BR>@BobFBurns on Twitter:
http://twitter.com/BobFBurns
<DIV> </DIV>
<DIV>
<DIV>In a message dated 14/04/2014 14:59:32 GMT Standard Time,
digital-conjurers@roadrunner.com writes:</DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><FONT
style="BACKGROUND-COLOR: transparent" color=#000000 size=2 face=Arial>Got this
thing out of 5-year storage, cleaned it up, lubed/cleaned the <BR>switches,
pots, tested the tubes, etc etc.....and it all works fairly well <BR>for what
is it...but Band "E" is extremely erratic. A thru D are
fine.<BR><BR>Have tried numerous fixes, tightened ground bolts, touched up
fudgy <BR>soldering jobs....no go. Can sometimes get a squawk out
of it around 40 <BR>Mhz or so _ if I happen to bend the coil sub-chassis a bit
towards the <BR>front panel....but it's very unreliable, not a permie
fix.<BR><BR>Switched tubes, too...no luck.<BR><BR>Clue: The fellow who had
this before me put in a 1Meg ohm pot in the audio <BR>gain with no on/off
switch...can hardly see how this could affect the case, <BR>but...that band
"E" is nasty...all it used is the bus bars for inductance,
<BR>methinks.<BR><BR>Anyone have a similar issue and fix it with this
item?<BR><BR>Tubes tested on a Hickok
539B.<BR><BR>Tnx,<BR><BR>Lin/KJ6EF<BR><BR>_______________________________________________<BR>Heath
mailing
list<BR>Heath@puck.nether.net<BR>https://puck.nether.net/mailman/listinfo/heath<BR></FONT></BLOCKQUOTE></DIV></FONT></DIV></FONT></BODY></HTML>