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Service Guide Mate TM Service Guide ~Eptember 1986 May 1987 © Digital Equipment Corporation 1987

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Service Guide Mate TM Service Guide ~Eptember 1986 May 1987 © Digital Equipment Corporation 1987 EK-P500B-SV-002 Service Guide mate TM Service Guide ~eptember 1986 May 1987 © Digital Equipment Corporation 1987. All Rights Reserved. The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no responsibility for any errors that may appear in this document. The software described in this document is furnished under a license and may only be used or copied in accordance with the terms of such license. No responsibility is assumed for the use or reliability of software on equipment that is not supplied by DIGITAL or its affiliated companies. MS-DOS is a trademark of Microsoft Corporation. The following are trademarks of Digital Equipment Corporation: !amaamo'" DIBOL RSX DEC MASSBUS UNIBUS DEC mate PDP VAX DECsystem-IO P/OS VMS DECSYSTEM-20 Professional VT DECUS Rainbow Work Processor DECwriter RSTS Printed in U.S.A. Contents Chapter 1 Overview 1.1 Introduction ......................................................................................... 1-1 1.2 VAXmate Workstation Components ........................................................ 1-3 1. 2.1 Monitor (Amber or Green Screen) .................................................. 1-6 1.2.2 I/O Board ...................................................................................... 1-6 1 .2.2.1 Communications Port .............................................................. 1-6 1.2.2.2 Printer Port ............................................................................ 1-6 1.2.3 CPU Board ..................................................................................... 1-8 1.2.4 Power Supply ................................................................................ 1-8 1. 2.5 RX33 1. 2 Mbyte Diskette Drive ..................................................... 1-8 1.2.6 Keyboard ....................................................................................... 1-9 1.2.7 Mouse ........................................................................................... 1-9 1.2.8 ThinWire Ethernet Cable ............................................................... 1-9 1.2.9 Options ......................................................................................... 1-9 1.2.9.1 2 Mbyte Memory ................................................................... 1-10 1.2.9.2 80287 Coprocessor .............................................................. 1-10 1.2.9.3 Expansion Box ...................................................................... 1-10 l. 2.9.4 Integral Modem Board for North America .............................. 1-1 0 1.2.9.5 LA75 Printer ........................................................................ 1-10 1.2.9.6 LN03 Plus Printer ................................................................. 1-11 1.2.10 DIGITAL ThinWire Ethernet Multiport Repeater (DEMPR) .......... 1-11 1.2.11 DIGITAL ThinWire Ethernet Station Adapter (DESTA) ................. 1-11 1. 3 Environmental and Electrical Description ............................................ 1-11 Chapter 2 Troubleshooting the VAXmate Workstation 2.1 Introduction ......................................................................................... 2-1 2.1.1 Diagnostic Tests ............................................................................. 2-1 2.1.1.1 Power-Up Test ........................................................................ 2-1 iii 11111 Contents 2.1.1.2 Extended Self-Test .................................................................. 2-2 2.1.1.3 Service Diagnostics ................................................................. 2-3 2.1.2 Light Emitting Diodes (LEOs) ........................................................ 2-3 2.2 Troubleshooting Procedure ................................................................... 2-5 2.3 Power-Up Test ...................................................................................... 2-6 2.3.1 System Halt ................................................................................. 2-15 2.3.2 CPU Board]umpers ..................................................................... 2-15 2.3.3 Error Numbers ............................................................................. 2-16 2.3.4 What To Do If the VAXmate Power Shuts Down ............................ 2-18 2.3.4.1 Thermal Shutdown/Overvoltage ............................................ 2-19 2.3.4.2 Overcurrent Shutdown .......................................................... 2-19 2.3.4.3 Blown Fuse or Short Circuit .................................................. 2-20 2.4 Extended Self-Test .............................................................................. 2-22 2.4.1 Exceptions to Testing Results ....................................................... 2-26 2.4.1.1 If the Customer Reports a Modem Problem ............................ 2-26 2.4.1.2 New Expansion Box .............................................................. 2-26 2.4.1.3 New Hard Disk in Expansion Box .......................................... 2-27 2.4 .1.4 LA 75 Printing Erroneous Characters ...................................... 2-27 2.5 Service Diagnostics ............................................................. , ............... 2-27 2.5.1 System Errors Versus Diagnostic Errors ......................................... 2-28 2.5.2 Previously Detected Error ............................................................ 2-28 2.5.3 Main Diagnostic Menu ................................................................. 2-29 2.5.4 Selecting a Mode from Main Diagnostic Menu ............................... 2-33 2.5.5 System Test Mode ........................................................................ 2-33 2.5.5.1 Test Option Menu ................................................................. 2-34 2.5.5.2 System Test Requirements ..................................................... 2-37 2.5.5.3 System Test Execution ........................................................... 2-42 2.5.6 Individual Tests....................................................................... ·..... 2-44 2.5.7 New Diagnostic Installation ......................................................... 2-47 2.5.8 ~rror Log Mode ............................................................................ 2-48 Chapter 3 ThinWire Ethernet 3.1 Introduction ......................................................................................... 3-1 3.2 ThinWire Network Hardware Components ............................................. 3-1 3.2.1 ThinWire Network Terms ............................................................... 3-3 3.3 ThinWire Network Troubleshooting ....................................................... 3-6 3.4 Installation Guidelines .......................................................................... 3 -7 3.5 Installation Procedures ......................................................................... 3-9 3.5.1 ThinWire Network and VAXmate Server ......................................... 3-9 3.5.2 ThinWire Network with MicroVAX II Computer Server ................. 3-11 iv Contents IIIII 3.5.3 Adding a Workstation to End of ThinWire Segment ....................... 3-13 3.5.4 Adding a VAXmate Workstation to Middle of an Existing Segment ...................................................................................... 3-14 3.6 ThinWire Local Area Network (LAN) Example .................................... 3-15 3.7 ThinWire Network Map and Worksheet ............................................... 3-16 Chapter 4 Monitor Adjustments 4.1 Introduction ......................................................................................... 4-1 4.2 Brightness and Contrast Adjustment ...................................................... .4-2 4.3 Internal Monitor Adjustments ............................................................... .4-3 4.3.1 Horizontal Hold ............................................................................. 4-5 4.3.2 Cutoff............................................................................................ 4-6 4.3.3 Width Coil .................................................................................... 4-7 4.3.4 Height - 400 Line Mode ............................................................... .4-8 4.3.5 Centering Rings ............................................................................. 4-9 4.3.6 Rotation ....................................................................................... 4-11 4.3.7 Video Compensation .................................................................... 4-12 4.3.8 Height - 250 Line Mode ............................................................. .4-13 4.3.9 Focus .......................................................................................... 4-13 Chapter 5 FRU Replacement 5.1 Introduction ......................................................................................... 5-1 5.2 Before You Replace Any FRUs .............................................................. .5-3 5.3 Replacing FRUs ..................................................................................... 5-4 5.3.1 Turning Off Power and Unplugging External Cables ...................... .5-4 5.3.2 Separating the Expansion Box from the System Unit ...................... .5-5 5.3.3 Fuse Replacement .......................................................................... 5-6 5.3.4 Opening the System Unit Back Door ............................................
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