Hoping you can help. I'm upgrading a number of my old Heng Long tanks from 27Mhz to TK-6.0s unit. I've upgrading 3 tanks and for the most part they're all working however I do have a couple of issues I'm hoping someone can shed some light on:
1- I'm not getting any cannon firing sounds. All other sounds are working e.g machine gun, engine, turret. The BB airsoft is working, just no correlating firing sounds from the speaker.
2- One of the main reasons for upgrading was so I could battle the tanks using the IR system. With an IR mushroom receiver fitted I can shoot at the tank and it responds to being shot - great! The bad news is I can't shoot back. I've fitted the IR emitter but it doesn't seem to be sending out any signal. It's the same with all 3 I've upgraded - booooo

Has anyone had these issues before?

AD