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Integral Personal Computer
Service manual
HP Integral Personal Computer Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Product Information
Introduction
Description
Integral Personal Computer-Front View
Specifications
Serial Number Information
Introduction
Preparation
Cpu
Interrupts
Ram
Rom
The Plug-In ROM Assembly
The ROM Bus
Mmu
Address Mapping
Physical Address Bit 23
Internal I/O
External 1/0
The External I/O Bus
The 1/0 Backplane
Display
The Display Controller
The Display Assembly
Keyboard
Disc Drive and Controller
Printer
Real-Time Clock
Speaker
HP-IB Interface
Int
Safety Considerations
ESD Considerations
Required Tools
Removing the Back Case
Removing the Tid
Removing the Logic B PCA
Logic a Shield Screws
ESD Shield
The Printer Asser.nbly
Servicing the Printer
Removing the Disc Drive
Removing the Display Assembly
The Base Asse~Bly
Removing the I/O Backplane PCA
Removing the HP-IB Ribbon-Cable Assembly
Removing the Power-Supply Assembly
Removing the Fan
Removing the Keyboard Connector Assembly
The Keyboard
Removing the Keyboard Assembly
Replacing the Keyboard Legs
The ROM Assembly
Removing the ROM Assembly
Disassembling the System V ROM Assembly
Replacing the ROM Connector Pins
Adjustments
Troubl
Introduction
Description of Diagnostics
Turn-On Self Tests
Service ROM Diagnostic Tests
Service Diagnostic Disc Tests
Error Number Interpretation
Safety Considerations
Main Diagnostic Procedure
Problem Analysis
Thrn-On Self Tests
Service ROM Tests
Service Diagnostic Disc Tests
Functional Verification
Error Messages
Troubleshooting and Repair
Ordering Information
Additional Technical Information
Keyboard Identification
Connector Pin Assignments
The ROM Receptacle
The Logic a to Logic B Bus Connectors
Product History
Shadow PCA Elimination
Power Supply Changes
Disc Drive Assembly Changes
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Integral Personal Computer
Service Manual
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