I Restored a Broken Sony Walkman CD Player to Working Condition

This Sony D-EJ621 repair started with a simple problem — it won’t power on. I bought this Sony portable CD player for $15 as not working, and in this video I diagnose and repair the fault. If your portable CD player won’t turn on, battery corrosion is one of the most common causes. This video shows the full portable CD player repair process, including cleaning corroded battery terminals and restoring proper power. I demonstrate: – Diagnosing a no power issue – Cleaning battery corrosion – Restoring battery terminals using vinegar, a pick, fiberglass pen and fine sandpaper – Full teardown and lubrication – Common problems in Sony portable CD players This video may help if your portable CD Player won’t power on, or if you are attempting a portable CD player repair and suspect battery corrosion damage. 📺 Subscribe to Gerry’s Tech    / @gerrystech   Portable CD Player Repair Videos: How to Fix Any Portable CD Player — Common Issues & Easy Repairs    • How to Fix Any Portable CD Player — Common...   You Can Fix Your CD Player With These Tricks    • You Can Fix Your CD Player With These Tricks   Chapters: 00:00 VIDEO START 01:18 THE HOLD SWITCH 02:32 CHECK THE BATTERY TERMINALS 04:45 THE FIRST TEST 05:27 CLEANING THE BATTERY CONTACTS 08:09 TESTING AFTER CLEANING 10:21 SOME PRE-TEARDOWN MAINTENANCE 13:37 OPENING THE UNIT AND SERVICING 23:01 NO DISK ERROR!!! 27:49 CONCLUSION