CD 100 Servo and Sub-Code CPU ROM backups
Some time ago i had a development F 8421 Compact Disc Player Handmodel nr. 85 on my workbench , The player had two development MAB processors and ROMS chips , i made a backup...
Some time ago i had a development F 8421 Compact Disc Player Handmodel nr. 85 on my workbench , The player had two development MAB processors and ROMS chips , i made a backup...
CD 300 : Bought second hand and doesn’t work , it has been re-capped , “Bram can you have a look” First check , Red Tape ?? on the RF shielding what happened here...
5 volt is missing , jumper is removed .. There is some life after fixing 5 volt 🙂 And it is reading T.O.C Only on 1 channel...
Replace SAA7011 ( M4290A ) with SAA7010 ( M4293 ) in 1st generation player with SoPhi board From the Service manual the correct SAA7011 diagram Wrong IC number in several service manuals...
Er lijkt een 1 sample verschil tussen links en rechts te zitten Phase tussen 20 en 20kHz