Sun Microsystems SPARCstation 20, Руководство по обслуживанию, Страница: 20 / 266

xx SPARCstation 20 Service Manual • July 1996
Warnings and Cautions
Caution – This equipment contains lethal voltage. Accidental contact can result in
serious injury or death.
Part 3, “Preparing for
Service” Chapter 5, “Safety and Tool
Requirements” Explains how to work safely when servicing
the SPARCstation 20 system
Chapter 6, “Power On and Off” Provides step-by-step procedures to power
on and power off the SPARCstation 20
system
Part 4, “Subassembly
Removal and
Replacement” Chapter 7, “Internal Access” Provides step-by-step procedures to remove
the SPARCstation 20 system cover, attach the
wrist strap, and replace the cover
Chapter 8, “Removing and
Installing Subassemblies” Provides step-by-step procedures to remove
and install major subassemblies
Chapter 9, “Storage Devices” Provides step-by-step procedures to remove
and replace storage devices
Part 5, “System Board” Chapter 10, “System Board
Overview” Provides system board description and
damage prevention; identifies replaceable
system board components
Chapter 11, “System Board and
Component Replacement” Provides step-by-step procedures to remove
and replace the system board, and to remove
and replace various components associated
with system board operation
Part 6, “Illustrated Parts
Breakdown” Chapter 12, “Illustrated Parts
Breakdown” Lists replaceable parts for the SPARCstation
20 system
Part 7, “Appendixes,
Glossary, and Index” Appendix A, B, and C Provides physical, electrical, and
environmental specifications, a functional
description of the SPARCstation 20 system,
connector pinouts and signal descriptions,
and information on SCSI targeting
Glossary Provides a listing of acronyms, terms, and
definitions
Index Provides a quick reference to specific topics
TABLE P-1
Document Organization (Continued)
Part Number/Title Chapter Number/Title Description