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TABLE OF CONTENTS
INTRODUCTION....................................................................................................................................................3
FEATURES ............................................................................................................................................................3
SPECIFICATIONS .............................................................................................................................................4~6
DISASSEMBLY .....................................................................................................................................................7
1. CABINET .......................................................................................................................................................7
2. MAIN CIRCUIT BOARD .................................................................................................................................7
3. FRONT PANEL ..............................................................................................................................................7
4. BASE PICK-UP ..............................................................................................................................................7
EXPLODED VIEW .................................................................................................................................................8
MECHANICAL REPLACEMENT PARTS LIST...............................................................................................9~10
GLOSSARY .........................................................................................................................................................11
THE DIFFERENCES OF CD-R/CD-RW DISCS AND GENERAL CD-ROM .................................................12~18
1. Recording Layer...........................................................................................................................................12
2. Disc Specification.........................................................................................................................................12
3. Disc Materials...............................................................................................................................................13
4. Reading Process of Optical Disc..................................................................................................................14
5. Writing Process of CD-R Disc ......................................................................................................................15
6. Writing Process of CD-RW Disc...................................................................................................................15
7. Organization of the PCA, PMA and Lead-in Area ........................................................................................16
8. Function of PCA and PMA area ...................................................................................................................17
9. OPC and ROPC ...........................................................................................................................................17
10. Writing Process of DISC ............................................................................................................................18
DESCRIPTION OF DATA PROCESSING.....................................................................................................19~22
1. Data Processing Flow ..................................................................................................................................19
2. Copy Protection and Regional Code Management Block ............................................................................20
3. About Prevention the DVD-ROM from to be copy........................................................................................21
4. About the DVD-ROM Regional Code...........................................................................................................22
INTERNAL STRUCTURE OF THE PICK-UP................................................................................................23~25
1. Inner Circuit of the PICK-UP ........................................................................................................................23
2. Signal detection of the P/U...........................................................................................................................25
MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION .........................................................26~41
TROUBLESHOOTING GUIDE ......................................................................................................................42~62
BLOCK DIAGRAM ........................................................................................................................................63~71
CIRCUIT DIAGRAM ......................................................................................................................................72~74
PRINTED CIRCUIT BOARD DIAGRAM .......................................................................................................75~78
ELECTRICAL REPLACEMENT PARTS LIST ....................................................................................................79
CAUTION - INVISIBLE LASER RADIATION WHEN OPEN AVOID EXPOSURE TO BEAM.