TABLE OF CONTENTS
INTRODUCTION .......................................................................................................................................................................3
FEATURES................................................................................................................................................................................4
SPECIFICATIONS...............................................................................................................................................................5~12
LOCATION OF CUSTOMER CONTROLS .......................................................................................................................13~14
DISASSEMBLY .................................................................................................................................................................15~16
1. CABINET and CIRCUIT BOARD DISASSEMBLY ..........................................................................................................15
2. MECHANISM ASSY DISASSEMBLY..............................................................................................................................15
EXPLODED VIEW .............................................................................................................................................................17~18
MECHANICAL REPLACEMENT PARTS LIST ................................................................................................................19~20
GLOSSARY.............................................................................................................................................................................21
THE DIFFERENCES OF CD-R/CD-RW DISCS AND GENERAL CD-ROM.....................................................................22~28
1. Recording Layer ..............................................................................................................................................................22
2. Disc Specification ............................................................................................................................................................22
3. Disc Materials ..................................................................................................................................................................23
4. Reading Process of Optical Disc.....................................................................................................................................24
5. Writing Process of CD-R Disc .........................................................................................................................................25
6. Writing Process of CD-RW Disc ......................................................................................................................................25
7. Organization of the PCA, PMA and Lead-in Area ...........................................................................................................26
8. Function of PCA and PMA area ......................................................................................................................................27
9. OPC and ROPC ..............................................................................................................................................................27
10. Writing Process of DISC................................................................................................................................................28
THE DIFFERENCES OF DVD-R/RW, DVD+R/RW DISCS AND DVD-ROM....................................................................29~37
1. Recording Layer ..............................................................................................................................................................29
2. Disc Specification ............................................................................................................................................................30
3. Disc Materials ..................................................................................................................................................................30
4. Writing Pulse Waveform of DVD+R.................................................................................................................................33
5. Writing Pulse Waveform DVD+RW .................................................................................................................................35
6. Organization of Inner Drive Area, Outer Drive Area, Lead-in Zone and Lead-out Zone .................................................36
LightScribe MEDIA...........................................................................................................................................................38~41
1. LightScribe Media............................................................................................................................................................38
2. Hardware Block Diagram of LightScribe Label Printing...................................................................................................39
3. MD Assy For LightScribe.................................................................................................................................................40
4. Optical Encoder Assy ......................................................................................................................................................41
DVD & CD DATA PROCESSING......................................................................................................................................42~45
1. Data Processing Flow......................................................................................................................................................42
2. Copy Protection and Regional Code Management Block ...............................................................................................43
3. About Prevention the DVD-ROm from to be copy...........................................................................................................44
4. About the DVD-ROM Regional Code ..............................................................................................................................45
INTERNAL STRUCTURE OF THE PICK-UP....................................................................................................................46~48
1. Block Diagram of the Pick-up ..........................................................................................................................................46
2. Pick up Pin Assignment...................................................................................................................................................47
3. Signal detection of the P/U..............................................................................................................................................48
DESCRIPTION OF CIRCUIT.............................................................................................................................................49~53
1. ALPC Circuit....................................................................................................................................................................49
2. Focus/Tracking/Sled Servo Circuit ..................................................................................................................................50
3. Spindle Circuit .................................................................................................................................................................52
MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION.............................................................................54~71
TROUBLESHOOTING GUIDE ..........................................................................................................................................72~88
How to use Test Tool.......................................................................................................................................................72~88
1. Dragon.............................................................................................................................................................................84
2. Camus .............................................................................................................................................................................88
BLOCK DIAGRAM ............................................................................................................................................................89~90
CIRCUIT DIAGRAM ..........................................................................................................................................................91~93
PRINTED CIRCUIT BOARD DIAGRAM ...........................................................................................................................94~97
ELECTRICAL REPLACEMENT PARTS LIST........................................................................................................................98
CAUTION - INVISIBLE LASER RADIATION WHEN OPEN AVOID EXPOSURE TO BEAM.
