HP 9845B/C CE Handbook — Service & Repair Manual PDF (Hewlett-Packard 9800 Series) (EN)

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9845B/C CE Handbook This document refers to proprietary computer software which is protected by copyright All rights are reserved. Copying or other reproduction of this program except for archival purposes is prohibited without the prior written consent of Hewlett-Packard Company © Copyright Hewlett-Packard Company, 1982 Hewlett-Packard Company 3404 East Harmony Road, Fort Collins, Colorado 80525

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ii Printing History New editions of this manual will incorporate all material updated since the previous edition. Update packages may be issued between editions and contain replacement and additional pages to be merged into the manual by the user. Each updated page will be indicated by a revision date at the bottom of the page. A vertical bar in the margin indicates the changes on each page. Note that pages which are rearranged due to changes on a previous page are not considered revised. The manual printing date and part number indicate its current edition. The printing date changes when a new edition is printed.

(Minor corrections and updates which are incorporated at reprint do not cause the date to change. ) The manual part number changes when extensive technical changes are incorporated. January 1982 ... First Edition April 1984 ... Second Edition. Updated pages. warranty Statement Hewlett-Packard products are warranted against defects In matenals and workmanship For Hewlett-Packard Fort Collins Systems Division products sold in the U S.A and Canada.

thiS warranty applies for ninety (90) days from the date of delivery' Hewlett-Packard will, at its option, repair or replace equipment which proves to be defective during the warranty period This warranty InCluoes ldoor, parts, dllO ~urfdl.,e lJO'o'el vu;::.~;::., Ii oily LYUIj.J;i-,6i-,: ;6:U~IIC~:':::' HG;,:c::-ro.c~a~c fc~ ~Gf=:a:~ :-T', .... 5: b2 shipped freight prepaid.

Repairs necessitated by misuse of the equipment, or by hardware, software, or Interfacing not provided by Hewlett-Packard are not covered by this warranty HP warrants that its software and firmware designated by HP for use with a CPU will execute its programming instructions when properly installed on that CPU HP does not warrant that the operation of the CPU, software. or firmware will be uninter- rupted or error free HEWLETT-PACKARD MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL. INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

Hewlett- Packard shall not be liable for errors contained herein or for Incidental or consequential damages In connection with the furnishing, performance or use of this matenal • For other countnes. contact your local Sales and Support Office to determine warranty terms 09845-90039. rev. 4184

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Iii Table of Contents Chapter 1: 9845B/C Mainframe Product Information 9845B/C Computer Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-1 Option Information ............................................................ 1-2 Field Installed Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-3 Factory Installed Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-4 Accessories Supplied .........................................................

, 1-5 Accessories Available .......................................................... 1-6 Mainframe Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-6 9845B/C Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-7 Chapter 2: 9845B/C Environmental, Installation, and Preventive Maintenance Environmental Specifications, Electrical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-1 PhYSical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . .. 2-1 Installation, Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-2 Table Mounting ........................................................ 2-2 CRT .................................................................. 2-3 Option ROMs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-6 Interface Cards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-8 Checking Fuses, Voltage, and Power Cords .................................

2-9 Initiating Power ...................................................... , 2-13 Loading Printer Paper ................................................. , 2-13 Inserting and Removing the Tape Cartridge ............................... , 2-15 9845B/C Mainframe Verification, System Exerciser .................................................. , 2-15 Turn-On Self Test ................................................. , 2-15 Exerciser Starting Procedure ......................................... 2-16 9845B/C Mainframe ExerCisers, Selecting an Exerciser .............................................. , 2-17 Memory Exerciser ..................................................

2-18 Tape Exerciser .................................................... , 2-18 Printer Exerciser .................................................. , 2-20 ROM Revision Exerciser ............................................. 2-21 9845B/C Operating Basics, Basic Keyboard Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-23 Mass Storage ..................................................... , 2-24 Automatic Start for Programs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-25 9845B/C Mainframe Preventive Maintenance ................................ , 2-25 Chapter 3: 9845B/C Configuration System Configurations. . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-1 Software Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 3-3 Chapter 4: 9845B/C Mainframe Troubleshooting Troubleshooting Checklist ................................................... 4-1 Troubleshooting Tables ..................................................... 4-3 Troubleshooting Flowchart .................................................. 4-4 Memory Troubleshooting ................................................. , 4-10 09845-90039, rev: 4/84

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Iv Chapter 5: 98458/C Mainframe Diagnostics Introduction ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-1 QUick Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-1 Diagnostic Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-3 ROM and Cartridge Tests. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-3 Using the Test ROM Only. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

5-4 Using the Test Binary Cartridge Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-5 Processor/Memory Control Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-5 Initial Memory Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-5 ROM and ReadlWrite Memory Tests. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-5 kl Keyboard Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-6 k2 Cartridge Drive Exerciser. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . .. 5-8 k3 Printer Test ........................................................... 5-10 k6 Display Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-11 k7 Rewind TIS ........................................................... 5-12 k8 Read/Write Memory Troubleshooter ...................................... 5-12 k9 Read/Write Memory Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5-14 kl0 Choose Rack Test Sequence ............................................ 5-14 ROM Checksum Test ..................................................

5-15 k11 Automatic Rack Test .................................................. 5-15 k15 Run Operating System ................................................. 5-15 k15 Operating System Acceptance Test ...................................... 5-16 Chapter 6: 98458/C Mainframe Adjustments Adjustments to the Thermal Printer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-1 Chapter 7: 98458/C Mainframe Peripherals Supported Peripherals ...................................................... 7-1 Hardware Compatibility Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 7-2 Chapter 8:

98458/C Mainframe Replaceable Parts Repair Philosophy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8-1 Repair Parts/Part Numbers .................................................. 8-3 Service Kits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8-13 Chapter 9: 98458/C Mainframe Diagrams Processor (AI5) ........................................................... 9-1 Memory Map ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..

9-2 Power Supply (A80) ....................................................... 9-5 PowerSupply (A81) ........................................................ 9-6 Power Supply SpeCifications ................................................. 9-7 Processor (A30) ........................................................... 9-8 Memory Assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-9 Cartridge Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-11 Keyboard ............................................................... 9-12 Printer. . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-13 Keyswitch Diagrams. . . . . . . . . . . . . . . . . . ................. 9-14 98458/C Mainframe References Manual References .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 10-1 Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 10-2 ASCII Table ............................................................ 10-12 Chapter 11: 98458/C Service Notes ........................................... 11-1

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