The Atari 600 XL Computer Field Service Manual is a reference guide for the service technician.

The Field Service Manual is organized into six sections:

• THEORY OF OPERATION - Overview of how the 600XL works and what its basic assemblies look like.
• TESTING - Review of Diagnostic tests available for diagnosing 600XL problems.
• SYMPTOM CHECKLIST - Failure information to aid the technician for a rapid diagnosis of 600XL problems.
• ASSEMBLY/DIS ASSEMBLY - Assembly/Disassembly instructions.
• SCHEMATICS AND SILKSCREENS, AND PARTS LIST - Electrical drawings and layouts of the 600XL Printer Circuit Board and a list of the parts used.
• SERVICE BULLETINS - Section to be used for Field Change Orders, Upgrade Bulletins and Tech Tips.