[Elecraft] Working K2 Now K2 After nearby power surge or lightning strike

[KC9QQ]

KC9QQ wrote:
> 
> 
> 
> KC9QQ wrote:
>> 
>> I also just noticed that the power output transistors Q7 and Q8 are
>> getting
>> warm when the power is on.  I did not say  before but, their is no
>> display
>> or any other activity on the control board or front panel.
>> 
>> Fred, KC9QQ
>> 
>> 
> 
> I also just notice that the transistors Q7 and Q8 are getting warm when
> the unit is powered.  Even though the display is dead.
> 
> Fred
> 

I also pulled the control board and re-powered the unit with the control
board removed.  I heard relays click on the RF board.  I then re-installed
the control board and re-powered the unit.  The display came on for just a
few seconds with the Elecraft name and then went blank probably after the
12V pulled down.

I am not quite sure where to look to further isolate the issue.  I know the
unit was on the 40 M band when the problem occurred.

Fred
 
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