[Elecraft] I killed my K2 - mystery solved

Tue Mar 5 00:13:02 2002

If R13 is the wrong value, it will hang the rig at the EL display. Insure
R13 is a 68.1K 1% resistor.

R-pack RP3 can be installed either way, since it is symmetrical.

Gary Surrency AB7MY
Elecraft Technical Support

(For quicker response, please direct ALL tech support emails to
[email protected]), *not* to this account)

On Sun, 3 Mar 2002 00:20:10 EST [email protected] writes:
> To recap, here is where we left off: 
> I am installing the SSB module,  Everything worked fine, including 
> receive 
> until I installed the few parts on the Front Panel Board related to 
> the 
> microphone.  When I put it back together the display reads "EL" on 
> power up 
> and the S meter is flashing.  Nothing else works.  I discovered RP3 
> on the 
> front panel board was backwards.  Well, after a great deal of 
> cursing, I 
> managed to remove RP3 and reinstall it in the right direction.  
> Although, now 
> that I look at the schematic, I realize it makes no difference which 
> way it 
> goes in.  Thanks to all on the reflector who pointed this out.
> 
> Rig still dead and the S meter flashing.  So far all I have done is 
> guarantee 
> my K2 Front Panel Board will never win a beauty contest.  Good thing 
> the mess 
> is hidden inside the case.
> 
> Now there are only 8 parts installed on the Front panel so I study 
> them 
> further and realize R13 doesn't look like the right value.  Duh - it 
> is not a 
> resistor at all.  In fact it is L1.  I put the real R13 on the SSB 
> board 
> thinking that because it was colored blue, it must be an inductor.  
> 
> Apparently the receive side will work just fine with the resistor in 
> place of 
> the inductor.
> 
> Switched the two parts back where they belong and everything works 
> fine.
> 
> Lesson for the archives:
> 
> Check your parts carefully.  Check twice, solder once.  Check once, 
> solder 
> twice.
> 
> Radio K4IA
> Craig Buck
> Fredericksburg, Virginia USA
> QRP ARCI #2550  FISTS #6702 CC 788 Diamond #64
> K1 #470    K2 #2460 
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Gary Surrency AB7MY
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