Exabyte EXB-8500 Leitfaden

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contained herein are the property of EXABYTE Corporation. No part of this document may be

reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language

or computer language in any form or by any means, electronic, mechanical, magnetic, optical,

chemical, manual, or otherwise, without the express written permission of EXABYTE

Corporation, 1685 38th Street, Boulder, Colorado 80301.

Disclaimer

EXABYTE Corporation makes no representation or warranties with respect to the contents of

this document and specifically disclaims any implied warranties of merchantability or fitness for

any particular purpose. Further, EXABYTE Corporation reserves the right to revise this

publication without obligation to notify any person or organization of such revision or changes.

Trademark Notices

EXABYTE is a registered trademark and EXATAPE is a trademark of EXABYTE Corporation.

Pull-A-PLCC is a trademark of Emulation Technology, Inc. TORX is a registered trademark of

Camcar Division of Textron, Inc.

Revision History for 510204

Previous revisions of this manual include the following:

Revision Date

000 August 1991 (initial release)

For information about the changes and enhancements to this revision, refer to page iv.

ii 510204

Product Warranty Caution

The EXB-8500 8mm Cartridge TapeSubsystem (EXB-8500) iswarranted tobe freefrom defects

in materials, parts, and workmanship and will conform to the current product specification upon

delivery. For the specific details of your warranty, refer to your sales contract or contact

the company from which the EXB-8500 was purchased.

The warranty for the EXB-8500 shall not apply to failures of any unit when:

■The EXB-8500 is repaired by anyone other than the Manufacturer’s personnel or

approved agent.

■The EXB-8500 is physically abused or is used in a manner that is inconsistent with the

operating instructions or product specification defined by the Manufacturer.

■The EXB-8500 fails because of accident, misuse, abuse, neglect, mishandling,

misapplication, alteration, faulty installation, modification, or service by anyone other

than the factory service center or its approved agent.

■The EXB-8500 is repaired by anyone, including an approved agent, in a manner that is

contrary to the maintenance or installation instructions supplied by the Manufacturer.

■The Manufacturer’s serial number tag is removed.

■The EXB-8500 is damaged because of improper packaging on return.

CAUTION

Returning the EXB-8500 in unauthorized packaging may damage the unit and void

the warranty.

If you are returning the EXB-8500 for repair, package it in its original packaging (or

in replacement packaging obtained from your vendor). Refer to the packing

instructions in the EXB 8500 8mm Cartridge Tape Subsystem User’s Manual.

If problems with the EXB-8500 occur, contact your maintenance organization; do not void the

product warranty by allowing untrained or unauthorized personnel to attempt repairs.

October 1991 iii

Changes and Enhancements to This Manual

This revision of EXB-8500 8mm Cartridge Tape Subsystem Maintenance includes the following

changes and enhancements:

■Updated Chapters 4 and 9 to describe different versions of the KRW card and top cover.

■Added Chapter 18 to describe how to adjust the servo read amplitude for the newer

version of the KRW card.

■Updated regulatory and safety agency standards.

■Updated torque values in all chapters whose instructions involve removing and replacing

screws.

iv 510204

Contents

1GeneralInformation..............................1-3

1.1AboutThisManual............................1-3

IntendedAudience...........................1-4

RelatedPublications..........................1-5

1.2 Regulatory and Safety Agency Standards . . . . . . . . . . . . . . . 1-5

1.3OtherTestStandards ..........................1-6

2ApproachestoMaintainingtheEXB-8500..................2-1

2.1RequiredToolsandEquipment.....................2-1

2.2RequiredTestEquipment........................2-3

TestSoftware..............................2-3

TestTapes...............................2-3

2.3StaticProtectionRequirements.....................2-4

2.4 Recommended Approaches to Maintenance . . . . . . . . . . . . . . 2-4

Test the EXB-8500 before Replacing Parts . . . . . . . . . . . . . . 2-4

ReplaceParts .............................2-5

TesttheEXB-8500AfterReplacingParts...............2-6

3R-PackReplacement .............................3-3

3.1RequiredTools .............................3-3

3.2RemovinganR-Pack ..........................3-4

3.3InstallinganR-Pack...........................3-5

3.4TestingtheReplacement ........................3-6

4TopCoverReplacement ...........................4-1

4.1RequiredTools .............................4-2

4.2RemovingtheTopCover ........................4-3

4.3ReplacingtheTopCover ........................4-4

4.4TestingtheReplacement ........................4-5

5DoorReplacement ..............................5-1

5.1RequiredTools .............................5-1

5.2RemovingtheDoor ...........................5-1

5.3ReplacingtheDoor ...........................5-3

October 1991 v

6FaceplateReplacement ...........................6-1

6.1RequiredTools .............................6-1

6.2RemovingtheFaceplate ........................6-2

6.3ReplacingtheFaceplate ........................6-4

7CardRetainerReplacement .........................7-1

7.1RequiredTools .............................7-1

7.2PreparingtheEXB-8500 ........................7-1

7.3RemovingtheCardRetainers......................7-2

7.4ReplacingtheCardRetainers......................7-3

7.5ReassemblingtheEXB-8500......................7-3

7.6TestingtheReplacement........................7-3

8DeckHangerReplacement..........................8-1

8.1RequiredTools .............................8-2

8.2PreparingtheEXB-8500 ........................8-2

8.3RemovingtheDeckHanger.......................8-3

8.4ReplacingtheDeckHanger.......................8-4

8.5ReassemblingtheEXB-8500......................8-5

8.6TestingtheReplacement........................8-5

9EdgeMountedCardReplacement......................9-1

9.1RequiredTools .............................9-2

9.2PreparingtheEXB-8500 ........................9-2

9.3 Removing an Edge Mounted Card . . . . . . . . . . . . . . . . . . . 9-3

9.4ReplacingtheKRWCard........................9-4

DetachingtheKRWCard’sRibbonCable...............9-4

Compatibility of the KRW Card with the Top Cover . . . . . . . . . . 9-5

9.5ReplacinganEdgeMountedCard ...................9-6

9.6ReassemblingtheEXB-8500......................9-7

9.7AdjustingtheServoReadAmplitude..................9-7

9.8TestingtheReplacement........................9-7

10SYSCardCoverReplacement ...................... 10-1

10.1RequiredTools............................ 10-1

10.2RemovingtheSYSCardCover................... 10-2

10.3ReplacingtheSYSCardCover ................... 10-3

10.4AdjustingtheHeadSyncTiming................... 10-3

10.5TestingtheReplacement ...................... 10-3

vi 510204

11SYSCardReplacement..........................11-1

11.1RequiredTools............................11-1

11.2PreparingtheEXB-8500.......................11-2

11.3RemovingtheMountingScrews...................11-3

11.4 Disconnecting the SYS Card Connectors . . . . . . . . . . . . . . 11-4

11.5ReconnectingtheSYSCardConnectors ..............11-7

11.6 Reattaching the SYS Card to the Main Housing . . . . . . . . . . . 11-7

11.7ReassemblingtheEXB-8500 ....................11-8

11.8 Loading Microcode onto a New SYS Card . . . . . . . . . . . . . . 11-8

11.9AdjustingtheHeadSyncTiming...................11-8

11.10TestingtheReplacement......................11-9

12DeckAssemblyReplacement.......................12-1

12.1RequiredTools............................12-1

12.2PreparingtheEXB-8500.......................12-2

12.3RemovingtheDeck .........................12-2

12.4ReplacingtheDeck .........................12-3

12.5ReassemblingtheEXB-8500 ....................12-3

12.6AdjustingtheHeadSyncTiming...................12-3

12.7TestingtheReplacement.......................12-4

13MainHousingReplacement........................13-1

13.1RequiredTools............................13-1

13.2PreparingtheEXB-8500.......................13-2

13.3RemovingtheMainHousing.....................13-2

13.4ReplacingtheMainHousing.....................13-3

13.5ReassemblingtheEXB-8500 ....................13-3

13.6AdjustingtheHeadSyncTiming...................13-3

13.7TestingtheReplacement.......................13-3

14CleaningtheEXB-8500 ..........................14-3

15LoadingNewMicrocodetotheEXB-8500................15-1

15.1DecidingWhichLoadingMethodtoUse...............15-1

15.2 Where to Find Code Loading Information . . . . . . . . . . . . . . 15-1

16RemovingTapefromtheTapePath ...................16-1

16.1BeforeStartingtheProcedure....................16-1

PreliminaryProcedure........................16-2

RequiredTools............................16-2

16.2PreparingtheEXB-8500.......................16-2

October 1991 vii

16.3PreparingtheDataCartridge .................... 16-3

16.4 Removing the Erase Head Bracket and Tape Guide . . . . . . . . 16-4

16.5 Removing the Tape from the Tape Path . . . . . . . . . . . . . . . 16-6

16.6RemovingtheDoorandFaceplate ................. 16-8

16.7 Winding the Loose Tape and Ejecting the Data Cartridge . . . . . . 16-9

16.8ReassemblingtheEXB-8500 ....................16-10

17AdjustingtheHeadSyncTiming..................... 17-1

17.1RequiredEquipment......................... 17-1

17.2UsingtheHeadSyncTape ..................... 17-2

18AdjustingtheServoReadAmplitude .................. 18-1

18.1RequiredToolsandEquipment ................... 18-1

18.2PreparingtheEXB-8500....................... 18-2

18.3 Adjusting the Servo Read Amplitude for EXB-8200 Format . . . . . 18-4

18.4 Adjusting the Servo Read Amplitude for EXB-8500 Format . . . . . 18-5

19ReplacingtheBootPROM ........................ 19-1

19.1RequiredTools............................ 19-1

19.2PreparingtheEXB-8500....................... 19-2

19.3 Removing and Replacing the Boot PROM . . . . . . . . . . . . . 19-3

RemovingtheExistingBootPROM................. 19-3

InstallingaNewBootPROM .................... 19-4

19.4ReassemblingtheEXB-8500 .................... 19-5

viii 510204

Figures

Figure 3-1 Location of R-Packs (Back View of EXB-8500) . . . . . . . . . . . . . . . 3-4

Figure 4-1 LocationofTopCoverScrews .......................4-3

Figure 5-1 Location of Door Release Lever (Side View of EXB-8500) . . . . . . . . . 5-2

Figure 5-2 Separating the Door Parts (Front View of EXB-8500) . . . . . . . . . . . 5-2

Figure 5-3 Position of Door, Door Retainer, and Door Bracket . . . . . . . . . . . . . 5-3

Figure 6-1 Location of Door Release Lever (Side View of EXB-8500) . . . . . . . . . 6-2

Figure 6-2 LocationofFaceplateScrews........................6-3

Figure 8-1 Deck Hanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3

Figure 8-2 Correct Position of Deck Hanger’s Copper Shield . . . . . . . . . . . . . 8-4

Figure 9-1 Edge Connector Mounted Cards . . . . . . . . . . . . . . . . . . . . . . 9-3

Figure 9-2 KRWCardwithBusBar...........................9-5

Figure 9-3 KRWCardwithSprings...........................9-5

Figure 9-3 Compatibility of the KRW Card with the Top Cover . . . . . . . . . . . . . 9-6

Figure 10-1 SYS Card Cover Screws (EXB-8500 Shown Upside Down) . . . . . . . 10-2

Figure 11-1 SYS Card Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3

Figure 11-2 SYS Card Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . 11-5

Figure 11-3 SYS Card Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6

Figure 12-1 Location of Deck Screws . . . . . . . . . . . . . . . . . . . . . . . . 12-2

Figure 13-1 Removing the Main Housing . . . . . . . . . . . . . . . . . . . . . . . 13-2

Figure 16-1 Taping Open the Data Cartridge Door . . . . . . . . . . . . . . . . . . 16-3

Figure 16-2 Location of Screw for Erase Head Bracket . . . . . . . . . . . . . . . 16-4

Figure 16-3 EXB-8500 with Tape Loaded (Tape Guide and Erase Head Bracket

Removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-7

Figure 18-1 Location of Test Points on KRW Card . . . . . . . . . . . . . . . . . . 18-2

Figure 18-2 Location of Ground Points on the KRW Card . . . . . . . . . . . . . . 18-3

Figure 18-3 Oscilloscope Reading for EXB-8200 Format Servo Read Amplitude . . 18-5

Figure 18-4 Oscilloscope Reading with No Delay . . . . . . . . . . . . . . . . . . 18-6

Figure 18-5 Oscilloscope Reading for EXB-8500 Format Servo Read Amplitude . . 18-7

Figure 19-1 Location of Boot PROM on the SYS Card . . . . . . . . . . . . . . . . 19-3

Figure 19-2 Location of Notch in Boot PROM . . . . . . . . . . . . . . . . . . . . 19-4

October 1991 ix

Tables

Table 2-1 Tools Needed for EXB-8500 Maintenance Procedures . . . . . . . . . . . 2-2

Table 2-2 Tests and Procedures to Perform after Replacing FRUs . . . . . . . . . . 2-7

Table 4-1 Compatibility of the Top Cover with the KRW Card . . . . . . . . . . . . . 4-1

x510204

Andere Handbücher für EXB-8500

Inhaltsverzeichnis

Andere Exabyte Lagerung Handbücher

Exabyte

Exabyte Mammoth-2 Bedienungsanleitung

Exabyte

Exabyte EXB-8205 Betriebsanleitung

Exabyte

Exabyte Mammoth-LT Betriebsanleitung

Exabyte

Exabyte Mammoth Bedienungsanleitung

Exabyte

Exabyte EXB-8700 Bedienungsanleitung

Exabyte

Exabyte 8505XL Bedienungsanleitung

Exabyte

Exabyte 8505XLS Bedienungsanleitung

Exabyte

Exabyte Magnum20 Bedienungsanleitung

Exabyte

Exabyte 110L LTO Ultrium AUTOLOADER Bedienungsanleitung

Exabyte

Exabyte 8505XLS Original Betriebsanleitung

Exabyte

Exabyte 221L Bedienungsanleitung

Exabyte

Exabyte EXB-8500 Betriebsanleitung

Exabyte

Exabyte LTO Series Bedienungsanleitung

Exabyte

Exabyte VXA-2 AUTOPAK1X7 Bedienungsanleitung

Exabyte

Exabyte Mammoth Bedienungsanleitung

Exabyte

Exabyte Eagle Nest TR-3 Bedienungsanleitung

Exabyte

Exabyte EXB-8505 8mm Betriebsanleitung

Exabyte

Exabyte EXB-8200 Bedienungsanleitung

Exabyte

Exabyte 230D Library Betriebsanleitung

Exabyte

Exabyte VXA-172 Bedienungsanleitung

Exabyte

Exabyte 430 Bedienungsanleitung

Exabyte

Exabyte Mammoth Bedienungsanleitung

Exabyte

Exabyte Mammoth Betriebsanleitung

Exabyte

Exabyte EXB-8205 Bedienungsanleitung

Beliebte Lagerung Handbücher anderer Marken

QNAP

QNAP TS 32PXU Series Bedienungsanleitung

LaCie

LaCie RUGGED RAID Bedienungsanleitung

Freecom

Freecom CLS DOCK Bedienungsanleitung

PNY

PNY Attache P-FD64MBATT3 Bedienungsanleitung

HP StorageWorks MSL2024 Bedienungsanleitung

OLT

OLT 6x6 Maximizer Bedienungsanleitung

Transcend

Transcend JetFlash 160 Bedienungsanleitung

LaCie

LaCie RUGGED MINI Bedienungsanleitung

Thunderbolt

Thunderbolt 600 Bedienungsanleitung

Panasonic

Panasonic LB-DH8 series Handbuch

Intel

Intel RAID High Availability Bedienungsanleitung

LaCie

LaCie 12big Thunderbolt 3 Bedienungsanleitung

Spectra Logic

Spectra Logic T-Series Spectra T50e Bedienungsanleitung

Panasonic

Panasonic LKM-F931-1 Bedienungsanleitung

Tabernus

Tabernus Enterprise Erase E2400 Bedienungsanleitung

Rocstor

Rocstor COMMANDER 3F series Bedienungsanleitung

HP P9000 Bedienungsanleitung

Western Digital

Western Digital Ultrastar Data60 Bedienungsanleitung