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MP3 CD Sound Machine AZ 2558
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TABLE OF CONTENTS

Handling Chip Components and Safety ..........................1 - 1 CD99 Board
Circuit diagram ..............................................8 - 1..8 - 2
Technical Specification & Service tools ...........................2 - 1 Layout diagram .............................................8 - 3..8 - 4
Service Measurement......................................................2 - 2
MP3 Board
Connections and controls.......................................3 - 1..3 - 2 Circuit diagram ..............................................9 - 1..9 - 2
Instruction for use ...................................................3 - 3..3 - 6 Layout diagram .............................................9 - 3..9 - 4

Disassembly Diagram......................................................4 - 1 Volume Board
Service Test program ......................................................4 - 2 Circuit diagram ......................................................10 - 1
Abbreviations and Pin-description 0f ICs.........................4 - 3 Layout diagram......................................................10 - 1

Block Diagram .................................................................5 - 1 Power Board
Wiring Diagram ................................................................5 - 2 Circuit diagram ......................................................11 - 1
Layout diagram ..........................................11 - 2..11 - 3
Key Board
Circuit diagram ...............................................6 - 1..6 - 2 USB Board
Layout diagram...............................................6 - 3..6 - 4 Circuit diagram ......................................................12 - 1
Layout diagram......................................................12 - 2
Tuner Board
Circuit diagram ........................................................7 - 1 Exploded view diagram .................................................13 - 1
Layout diagram........................................................7 - 2 Mechanical partslist .......................................................13 - 2
Electrical partslist .............................................14 - 1..14 - 16



CLASS 1