Want to HyperTune your LDX55 so that it works as it was originally intended? This DVD takes you through the entire process of disassembling, cleaning, polishing, reassembling and tweeking your mount. This DVD is extreemely details and accurate. I used his methods to improve my LDX55 mount and am finally pleased with it's performance. After watching the DVD 3 times, I can now disassemble and reassemble my mount practically with my eyes closed so I no longer need the disk. Works in most home DVD or computer DVD players. The DVD retails for $30.00 + shipping but I'll sell you mine for $20.00 via PayPal shipped CONUS.