Rainbow Pocket Service Guide

This document serves as a pocket service guide for the Digital Equipment Corporation Rainbow 100 computer (PC100A and PC100B). It is intended for field service personnel and provides practical, technical information rather than theory. The guide covers:

• Overview: Physical characteristics and system block diagrams.
• Set-Up Features: Configuration instructions for various settings via menus.
• Testing and Troubleshooting: Procedures for power-up tests, diagnostic diskette usage, and interpretation of error messages.
• Monitor Adjustments: Detailed steps for adjusting black and white monitors, including high-voltage safety warnings.
• Removal and Replacement: Instructions for replacing Field Replaceable Units (FRUs).
• Appendices: Parts lists, memory option testing, communication option testing, graphics option testing, and hard disk option testing.