This manual covers the following topics: Safety precautions - Prevention of Electrostatic Discharge (ESD) to Electrostatic Sensitive (ES) Devices - Precaution of Laser Diode - Handling the Lead-free Solder - Taking out the Disc from RAM-Drive Unit when the Disc cannot be ejected by OPEN/CLOSE button - Service Explorer - Self-Diagnosis and Special Mode Setting - Assembling and Disassembling - Service Fixture and Tools - Service Positions - Caution after replacing parts - Standard Inspection Specifications after Making Repairs - Voltage and Waveform Chart - Abbreviations - Block Diagram - Schematic Diagram - Print Circuit Board - Exploded Views - Replacement Parts List