Sun Microsystems SPARCstation LX Manuals

Manuals and User Guides for Sun Microsystems SPARCstation LX. We have 1 Sun Microsystems SPARCstation LX manual available for free PDF download: Service Manual

Sun Microsystems SPARCstation LX Service Manual (199 pages)

Brand: Sun Microsystems | Category: Desktop | Size: 0 MB

Table of Contents
5
Preface
11
Product Description
15
System Unit
15
Main Logic Board
18
Memory Modules
19
Nonvolatile RAM (NVRAM)
20
Internal Hard Disk Drive
20
Internal Diskette Drive
21
Power Supply
21
Monitors, Keyboard, and Mouse
21
External Storage Devices
22
System Interconnections
22
Troubleshooting Overview
25
Default Boot Mode
25
Boot PROM Diagnostics
26
Low-Level POST Code
28
Diagnostic Tools and When to Use Them
30
Power-On Self-Test
32
Selected On-Board Tests
32
Sundiag System Exerciser
33
Forth Toolkit
34
Sundiagnostic Executive
34
Power-On Self-Test (POST)
35
Normal Mode
37
Full Diagnostic Mode
38
Abbreviated Diagnostic Mode
38
Setting up a Tip Connection to Another Workstation
38
Tests the POST Runs
39
POST Error Messages
42
Status Lights (Leds) and Indicators
43
Troubleshooting Procedures
45
No Video Output on the System Monitor
46
Power-On Does Not Succeed
47
Power Supply Test
47
System Board Test
49
Disk Drive Errors
50
Verifying the Built-In SCSI Controller
50
Determining Faulty DSIMM Locations
51
Safety and Tools Requirements
55
Safety Requirements
55
Symbols
56
System Precautions
57
Tools Required
57
Power off and on
59
Powering off the System
59
Powering off When the System Is Working Normally
59
Powering off When the System Does Not Respond Normally
61
Powering on the System
62
Internal Access
65
Disconnecting the External Cables
65
Opening the System Unit
66
Attaching the Wrist Strap
67
Closing the System Unit
69
Reconnecting the External Cables
71
Major Subassemblies
73
Power Supply
73
Removing the Power Supply
74
Replacing the Power Supply
75
Speaker/Power LED Assembly
76
Removing the Speaker/Power LED Assembly
76
Replacing the Speaker/Power LED Assembly
78
System I/O Board
79
Removing the System I/O Board
79
Replacing the System I/O Board
85
Storage Devices
89
Hard Disk Drive
89
Removing a Hard Disk Drive
90
Preparing a Hard Drive for Installation
91
Installing a Hard Disk Drive
102
Disk Drive Bracket
105
Removing the Disk Drive Mounting Bracket
105
Replacing the Disk Drive Mounting Bracket
108
Diskette Drive
110
Removing the Diskette Drive
111
Replacing the Diskette Drive
112
System Board Overview
113
Before You Begin
113
Damage Prevention
114
Handling System Boards and Assemblies
114
Main Logic Board Layouts
116
Identifying Replaceable System Board Components
118
Main Logic Board and Component Replacement
121
Sbus Cards
121
Removing Sbus Cards
121
Replacing Sbus Cards
124
Video SIMM (VSIMM)
127
Removing the VSIMM
127
Replacing the VSIMM
129
DRAM Single In-Line Memory Modules (Dsimms)
131
DSIMM Configurations
131
Removing a DSIMM
134
Replacing a DSIMM
136
Main Logic Board
138
Main Logic Board Voltage Test Points
139
Before Replacing the Main Logic Board
142
Removing the Main Logic Board
146
Installing the New Main Logic Board
150
Nonvolatile RAM (NVRAM)
152
Removing the NVRAM
152
Replacing the NVRAM
154
Sparcstation LX ISDN Jumper Settings
154
Illustrated Parts Breakdown
157
Illustrations of Selected Crus
157
Replacement Part List
160
System Specifications
167
Input Power Requirements
167
Environmental Requirements
168
Physical Specifications
169
Regulatory Compliance
169
System Connectors
171
Attachment Unit Interface (AUI) Connector
172
Twisted-Pair Ethernet Connector
173
ISDN Terminal Endpoint Connector
173
ISDN Network Termination Connector
174
Keyboard/Mouse Connector
175
SCSI Connector (External)
175
Serial Connector
177
Parallel Connector
178
13W3 Video Connector
179
Audio Ports and Audio Module
180
Audio Ports
180
Signals for the Audio Ports
180
Audio Line-Out Connector
180
Audio Line-In Connector
181
SCSI Connector (Internal)
181
Diskette Drive Connector (Internal)
182
Sbus Connector (Internal)
184
Power Connector (Internal)
185
On-Board Diagnostics
187

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