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Gimbal replacement wiring

dragand

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I am fixing a crashed S2 and have to replace the gimbal. The wires were cut and they are not marked. On the SD/Gimbal board, there are 2 pins marked Y (Yaw -- white wires), 3 pins marked P (Pitch -- blue wires) and 3 marked R (Roll -- black wires) and . The wires are not marked in any way, other than 2 are white and 3 each are blue and black. Does anyone have any clue how to correctly identify and solder the wires on the board?
 

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Thank you! It turns out that the gimbal motors are non-sensored brushless, so the pinout for each motor is irrelevant (almost) if any motor starts acting up, just reverse any two wires to change the direction of rotation and it should work. I got the Roll and Yaw on the first try but the Pitch was reversed. Once I swapped the two wires, it started working OK.
 
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