IG-5240 Parts not identified on schematic From K5OFC Heath# Replace# Q1 417-167 ? Q2, Q4 417-235 2N4121 Q3 417-806 TIS75 IC101 442-624 MM5322 (National Semi.) D1 56-56 1N4149 D2 56-87 FH1100 D3-D6 56-20 1N295 L1 45-57 10 uH choke L2 40-1773 74 MHz output inductor (value not given)