Hi Johnathan
You can found the manual here:
http://www.qsl.net/wa5bxo/32v3/Im agree with Don, 32V2 and 32V3 circuits are the same, I have both models,in the 32V3, the only difference could be the sidetone circuit, the security latch switch, and the antenna relay.
Good luck with your project
Pedro XE1YZY