RV20/RV20-P Optical Disk Drive Subsystem Illustrated Parts Breakdown

This document is an Illustrated Parts Breakdown (IPB) for the Digital Equipment Corporation RV20/RV20-P Optical Disk Drive Subsystem, copyrighted 1988. Its primary purpose is to help users identify and locate specific components and subassemblies for maintenance, repair, and replacement.

The manual is structured according to engineering drawing nomenclature and includes:

• A Major Assembly Locator to help navigate illustrations.
• An Indented Parts List that clearly shows the hierarchical subordination of parts (using asterisks) within major assemblies and subassemblies, facilitating the identification of next higher assemblies for replacement.
• Detailed column callouts providing: Figure and Item Numbers, Part Descriptions (with specifications and subordination), Digital Equipment Corporation (DEC) Part Numbers, ECO (Engineering Change Order) Cut-In levels, "Used On Codes" for specific product variations, and cross-reference "Ref Fig. No." for detailed breakdowns.
• Numerous exploded view diagrams (e.g., Chassis Assembly, Unit Assembly, Card Rack Assembly, Baseplate Assembly, I/O Panel Assembly, Bezel Assembly) visually illustrating the components of the optical disk drive and its various configurations.