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Manuals and User Guides for HP Integral Personal Computer. We have
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HP Integral Personal Computer manual available for free PDF download: Service Manual
HP Integral Personal Computer Service Manual (204 pages)
Brand:
HP
| Category:
Desktop
| Size: 9.13 MB
Table of Contents
Table of Contents
4
Product Information
10
Introduction
10
Description
10
Integral Personal Computer-Front View
11
Specifications
12
Serial Number Information
15
Introduction
18
Preparation
18
Cpu
24
Interrupts
25
Ram
25
Rom
25
The Plug-In ROM Assembly
25
The ROM Bus
26
Mmu
26
Address Mapping
26
Physical Address Bit 23
27
Internal I/O
27
External 1/0
29
The External I/O Bus
30
The 1/0 Backplane
31
Display
32
The Display Controller
32
The Display Assembly
33
Keyboard
33
Disc Drive and Controller
34
Printer
35
Real-Time Clock
35
Speaker
36
HP-IB Interface
36
Int
36
Safety Considerations
40
ESD Considerations
40
Required Tools
41
Removing the Back Case
42
Removing the Tid
42
Removing the Logic B PCA
43
Logic a Shield Screws
43
ESD Shield
43
The Printer Asser.nbly
48
Servicing the Printer
51
Removing the Disc Drive
58
Removing the Display Assembly
60
The Base Asse~Bly
65
Removing the I/O Backplane PCA
68
Removing the HP-IB Ribbon-Cable Assembly
68
Removing the Power-Supply Assembly
68
Removing the Fan
71
Removing the Keyboard Connector Assembly
71
The Keyboard
71
Removing the Keyboard Assembly
72
Replacing the Keyboard Legs
74
The ROM Assembly
75
Removing the ROM Assembly
75
Disassembling the System V ROM Assembly
77
Replacing the ROM Connector Pins
79
Adjustments
82
Troubl
84
Introduction
84
Description of Diagnostics
84
Turn-On Self Tests
85
Service ROM Diagnostic Tests
85
Service Diagnostic Disc Tests
87
Error Number Interpretation
87
Safety Considerations
88
Main Diagnostic Procedure
89
Problem Analysis
91
Thrn-On Self Tests
91
Service ROM Tests
92
Service Diagnostic Disc Tests
94
Functional Verification
96
Error Messages
96
Troubleshooting and Repair
96
Ordering Information
148
Additional Technical Information
180
Keyboard Identification
180
Connector Pin Assignments
181
The ROM Receptacle
182
The Logic a to Logic B Bus Connectors
183
Product History
189
Shadow PCA Elimination
190
Power Supply Changes
190
Disc Drive Assembly Changes
190
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