I do voluntary work for an organisation that has 4 of these 'DJ' cd players. One of them has recently become very sensitive to dirt and scratches on discs and skips when the desk is tapped lightly, something the others don't do. It struggles especially with CD-R's, which again are not a problem with the others. I have taken the lid off and cleaned the lens but this has made no difference. Any suggestions folks?
I now have the service manual for the player, and have removed it from the studios so I can begin to fix it. I'm a novice with digital electronics, and only have a multimeter at home, although I do have a 'scope at work that can be borrowed if needs be. Beyond checking power supply rails & looking for obvious component failure, I'm lost as to where to go beyond that. Any help or suggestions welcomed please.
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