Hi, I also got a used pv2 and had to replace the camera as well as one esc.
Wish I found this forum before I got my replacement camera on Amazon.com.
DJI Phantom 2 Vision Camera Fc200 https://www.amazon.com/dp/B00HZVIEEQ/ref=cm_sw_r_awd_lnyPwbCC8D49A
More than what I wanted to spend but it's...