HP Integral Personal Computer Manuals

Manuals and User Guides for HP Integral Personal Computer. We have 1 HP Integral Personal Computer manual available for free PDF download: Service Manual

HP Integral Personal Computer Service Manual

HP Integral Personal Computer Service Manual (204 pages)

Brand: HP | Category: Desktop | Size: 9.13 MB
Table of contents
Table Of Contents4................................................................................................................................................................
Product Information10................................................................................................................................................................
Introduction10................................................................................................................................................................
Description10................................................................................................................................................................
Integral Personal Computer-front View11................................................................................................................................................................
Specifications12................................................................................................................................................................
Serial Number Information15................................................................................................................................................................
Preparation18................................................................................................................................................................
Cpu24................................................................................................................................................................
Interrupts25................................................................................................................................................................
Ram25................................................................................................................................................................
Rom25................................................................................................................................................................
The Plug-in Rom Assembly25................................................................................................................................................................
The Rom Bus26................................................................................................................................................................
Mmu26................................................................................................................................................................
Address Mapping26................................................................................................................................................................
Physical Address Bit 2327................................................................................................................................................................
Internal I/o27................................................................................................................................................................
External 1/029................................................................................................................................................................
The External I/o Bus30................................................................................................................................................................
The 1/0 Backplane31................................................................................................................................................................
Display32................................................................................................................................................................
The Display Controller32................................................................................................................................................................
The Display Assembly33................................................................................................................................................................
Keyboard33................................................................................................................................................................
Disc Drive And Controller34................................................................................................................................................................
Printer35................................................................................................................................................................
Real-time Clock35................................................................................................................................................................
Speaker36................................................................................................................................................................
Hp-ib Interface36................................................................................................................................................................
Int36................................................................................................................................................................
Safety Considerations40................................................................................................................................................................
Esd Considerations40................................................................................................................................................................
Required Tools41................................................................................................................................................................
Removing The Back Case42................................................................................................................................................................
Removing The Tid42................................................................................................................................................................
Removing The Logic B Pca43................................................................................................................................................................
Logic A Shield Screws43................................................................................................................................................................
Esd Shield43................................................................................................................................................................
The Printer Asser.nbly48................................................................................................................................................................
Servicing The Printer51................................................................................................................................................................
Removing The Disc Drive58................................................................................................................................................................
Removing The Display Assembly60................................................................................................................................................................
The Base Asse~bly65................................................................................................................................................................
Removing The I/o Backplane Pca68................................................................................................................................................................
Removing The Hp-ib Ribbon-cable Assembly68................................................................................................................................................................
Removing The Power-supply Assembly68................................................................................................................................................................
Removing The Fan71................................................................................................................................................................
Removing The Keyboard Connector Assembly71................................................................................................................................................................
The Keyboard71................................................................................................................................................................
Removing The Keyboard Assembly72................................................................................................................................................................
Replacing The Keyboard Legs74................................................................................................................................................................
The Rom Assembly75................................................................................................................................................................
Removing The Rom Assembly75................................................................................................................................................................
Disassembling The System V Rom Assembly77................................................................................................................................................................
Replacing The Rom Connector Pins79................................................................................................................................................................
Adjustments82................................................................................................................................................................
Troubl84................................................................................................................................................................
Description Of Diagnostics84................................................................................................................................................................
Turn-on Self Tests85................................................................................................................................................................
Service Rom Diagnostic Tests85................................................................................................................................................................
Service Diagnostic Disc Tests87................................................................................................................................................................
Error Number Interpretation87................................................................................................................................................................
Main Diagnostic Procedure89................................................................................................................................................................
Problem Analysis91................................................................................................................................................................
Thrn-on Self Tests91................................................................................................................................................................
Service Rom Tests92................................................................................................................................................................
Functional Verification96................................................................................................................................................................
Troubleshooting And Repair96................................................................................................................................................................
Error Messages96................................................................................................................................................................
Ordering Information148................................................................................................................................................................
Additional Technical Information180................................................................................................................................................................
Keyboard Identification180................................................................................................................................................................
Connector Pin Assignments181................................................................................................................................................................
The Rom Receptacle182................................................................................................................................................................
The Logic A To Logic B Bus Connectors183................................................................................................................................................................
Product History189................................................................................................................................................................
Shadow Pca Elimination190................................................................................................................................................................
Power Supply Changes190................................................................................................................................................................
Disc Drive Assembly Changes190................................................................................................................................................................

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