Been beating my head on this one, Alinco duel band mobile.
Uhf side works great. But Vhf side has problem The receive is off by 1.5 kc. The schmatic is very poor and so is the service manual. Has 2 crystals on the main board. A 12.800 close up by the vco circuit. When tuning it seems to move tx freq the most.

The other crystal is a 22.05 mhz. No tuning cap. I may be wrong but think this is the rx mix crystal. If so may be screwed. For alinco tells me this is no longer available and they will not give out the crystal fundamentals to have one made.

I removed the crystal and designed a 1/2 inch by 1/2 inch circuit board. Mounted the crystal along with a varible cap. Installed and was able to move rx freq .5 kc. Further away.

So if anyone knows where a dead dr-599 is laying around let me know.

Thanks