trash picked concertmate 980 keyboard. power adapter issues and fix. Published 10 years ago • 21K plays • Length 6:04 Download video MP4 Download video MP3 Similar videos 7:14 reinstalling my old hackintosh in a small form factor case. had to mod power supply 6:46 another tool for the work bench 12:46 how to repair piano doesn't work one key keyboard 4:01 diy les paul guitar kit ebay part 2 5:38 repairing a fedex damaged midi keyboard yamaha psr-36