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Portable compact disc player EXP521
all versions
TABLE OF CONTENTS
Technical specification ......................................................1-1 Circuit diagrams
Features ............................................................................1-1 Control/ESP part............................................................4-1
Accessories .......................................................................1-1 Audio part......................................................................4-2
CD Drive part .................................................................4-3
Instruction For Use .....................................................1-2..1-6 Power Supply part .........................................................4-4
Safety & Warnings .............................................................1-7
Layout diagrams
Service hints Copper side view ...........................................................4-5
Repair positions ............................................................2-1 Component side view ....................................................4-6
Dismantling CD-door .....................................................2-1
Handling chip components............................................2-2 Exploded view ...................................................................5-1
Service tools..................................................................2-2 Mechanical partslist ...........................................................5-1
Pin descriptions of ICs................................................3-1..3-7 Electrical partslist .......................................................6-1..6-3
Service Test Program ........................................................3-8
Blockdiagram .....................................................................3-9
CLASS 1