Fried servos?!?

[m1a2ab]

Hello all. I have fried a ds821 cyclic servo and a savox rudder servo on my 600 e pro. I believe this happened due to the fact that my cc voltage regulator is rated at 25 volts but I had the bec soldered to the esc rather than one of the 6s batts. This overloaded the bec causing the capacitor to pop! I also realized I didn't disengage the cc ice2 80a esc's internal bec.

I realized that they were fried after the bec went when I connected a 4.8volt receiver battery to the receiver to test the servos. When I connected the battery I noticed that neither the rudder nor the elevator servo did anything. I then noticed smoke coming from the rudder servo.

My question is this. After observing everything I've listed above is there anything else that could've fried the servos? I also changed servo settings on the tx when there was no power to the servos. Could doing that damage servos? I'm sorry if my writting causes confusion. Thanks in advance!!!