Repairing/replacing of cracked clutch cog wheel Sony WM-FX661 Walkman

Are you trying to restore an old Sony Walkman and after replacing the rubber belt it still sounds like whining? It might be the clutch cog wheel. This repair will improve the wow and flutter performance of the Sony WM-FX661. It is a long story but it is worth watching as you can find out some inside tricks of 90's old technology. Chapters: 00:00 - Presenting the problem in detail 01:15 - Disassembling the cog wheel 02:48 - Applying the CA glue 03:59 - How the clutch affects the running tape 05:58 - Assembling the clutch cog wheel 08:09 - Assembling the PCB boards 19:44 - First tests, listening to mechanics abnormal noises 26:17 - Final test & Outro