Old PCM "Airtronics Quantum"
The rudder servo will not operate properly.The others are okay. Is this a receiver problem?
Can a new receiver be used with the system. If the crystal is swapped can a different (same make and model) receiver be used or is the existing receiver tied to the transmitter and only it will accept instruction?
Is there a new type receiver that will accept commands? The servos are airtronics and changing everything would be a problem.