Research materials for fixing my Tango+ProDVR mod power issue

https://www.rcgroups.com/forums/showthread.php?2682952-Eachine-ProDVR-Mini-Video-Audio-Recorder-incredible-price/page72

https://www.google.com/search?safe=active&ei=wqMVWpa5JOba0gL1x4LQCw&q=rcgroups.com+eachine+prodvr+remote&oq=rcgroups.com+eachine+prodvr+remote&gs_l=psy-ab.3..33i160k1l2.20224.20736.0.20903.7.5.0.0.0.0.191.191.0j1.1.0….0…1c.1.64.psy-ab..6.1.191….0.RElB07Xi9wI

https://www.google.com/search?safe=active&ei=EqUVWprVHcGh_QbA8Z6YDw&q=prodvr+key+lead+wire&oq=prodvr+key+lead+wire&gs_l=psy-ab.3..33i160k1l2.25794.26698.0.26849.9.7.0.0.0.0.192.526.0j3.3.0….0…1c.1.64.psy-ab..6.3.525…33i21k1.0.Y3myEGT3Qho