[Elecraft] K2mute...

[Bob]

I'm working on Alignment and Test Part II. All resistance checks have 
been normal, frequency checks are normal, side tone works great. Just no 
sound otherwise. I wired up the speaker just to see if it was my 
headphones. Still nothing. Voltage checks are within specs except for 
the following:

Control board U6 pins10,15, & 24 have 0vdc instead of 5; pin 25 has 5vdc 
instead of 0
Control Board U9 pin 1 has 0vdc instead of .4
Rf Board U1 pins 9, 10 have 0vdc
RF Board U4 pin 5 has 0vdc and pin 7 has 5vdc
RF Board U5 pin 1 has 5vdc and pin 2 has 0vdc

I was getting cross eyed checking and rechecking so I've set it aside 
for now.  I did manage to find a mistake on the front panel that caused 
the ELE message to appear on Alignment and Test Part I, but I'm stumped 
so far on this problem.
Thanks,
Bob WB0BS