hello at my K3 is R66, Q8 and Q9 dead. The emitter voltage across R75 ist over 0,52V and R66 are dark. 73 Markus -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-SN5035-HI-SIG-tp6528930p6539224.html Sent from the Elecraft mailing list archive at Nabble.com.