LA36 DECwriter II

This document, Volume II of the LA36 DECwriter II Maintenance Manual, serves to update the original manual by reflecting significant equipment changes and new optional features. It details upgrades to LA36/LA35 models, including the introduction of M7723 and M7728 Logic Boards (with M7728 enabling most options), power supply modifications, and keyboard enhancements.

The manual provides comprehensive functional descriptions, block diagrams, operational sequences, and troubleshooting guides for various optional kits. These options expand the DECwriter's capabilities with features such as:

• Character Sets: APL/ASCII Dual Character Set.
• Data Handling: Automatic Line Feed, Forms Control, Vertical and Horizontal Tabulation, Selective Addressing, and Automatic Answerback.
• Interfaces: EIA, 20 mA Current Loop, and Acoustic Coupler.
• Input/Output: Compressed Font and a 14-Key Numeric Keypad.

It explains how these options integrate with the main Logic Board, manage data flow, and respond to commands, enhancing the printer's functionality and adaptability in various communication settings. The document also includes reference data like abbreviations and IC pin location drawings.