HP Portable PLUS Manuals

Manuals and User Guides for HP Portable PLUS. We have 3 HP Portable PLUS manuals available for free PDF download: Service Manual, Getting Started, Installation Instructions Manual

HP Portable PLUS Service Manual (177 pages)

Brand: HP | Category: Desktop | Size: 61 MB

Printing History
3
Table of Contents
4
Figure Title Page
7
Table Title Page
9
Chapter 1 General Information

10
- Description
  10
- Portable PLUS Configurations
  11
- Specifications
  12
- Portable PLUS Specifications
  12
- Identification
  14
- Accessories
  14
- Test Equipment
  15
- Recommended Tools and Equipment
  15
Chapter 2 Site Preparation Requirements

16
Chapter 3 Installation and Configuration

17
- Preparation
  17
- Installation
  17
- Functional Verification
  18
- Configuration
  19
Chapter 4 Preventive Maintenance

20
Chapter 5 Functional Description

21
- Introduction
  21
- Portable PLUS Block Diagram
  22
- Central Processing Unit (CPU)
  23
- Peripheral Processing Unit (PPU)
  24
- CPU Memory Map
  24
- Address/Control Circuit
  25
- Keyboard Interface
  25
- Keyboard Assembly
  26
- Liquid-Crystal (LCD) Interface
  26
- Liquid-Crystal Display
  26
- HP-IL Interface
  27
- Serial (RS-232-C) Interface
  27
- Serial Interface Connector Pin Assignments
  27
- Video Interface
  28
- Video Interface Connector Pin Assignments
  28
- Modem Interface
  29
- Direct-Connect Modem (Dealer-Installed Option)
  29
- Modem Interface Connector Pin Assignments
  29
- Clock/Ready Circuit
  32
- Power Supply
  33
- Battery
  35
- Battery Charger
  35
- Power-Up Routine
  38
- LCD Negative Supply
  39
- VLCD Switch Circuit
  40
- VFETBIAS Supply Circuit
  40
- Variable Control of the VFETBIAS Supply
  40
- Miscellaneous LCD Negative Supply Circuitry
  41
- RS-232-C Supply Voltages
  42
- Voltage Doublers
  42
- 11-Khz Oscillator
  43
- System ROM and Built-In RAM
  43
- Configuration EPROM
  44
- Plug-In Ports
  44
- System Extensions
  44
- Memory (RAM) Drawer
  44
- Software (ROM) Drawer
  44
- Video Interface
  45
- Snalinkj3270 Software Drawer
  45
Chapter 6 Removal and Replacement

47
- Introduction
  47
- Disconnecting the Battery
  47
- Removing the Battery Cover
  48
- Removing the Battery Terminal Cover
  48
- Moving the Battery Jumper to off
  49
- Disconnecting the Battery
  49
- Removing the Battery
  50
- Separating the Case
  51
- Removing the Bottom Screws
  51
- Unplugging the Top Case Cables
  52
- Separating the Case
  52
- Replacing the Pcas
  53
- Removing the Keyboard Module
  55
- Removing the Hinge Cover
  55
- Removing the Keyboard Top Nuts
  55
- Removing a Keyswitch
  56
- Removing the Keyboard Module
  56
- Removing the Display Module
  57
- Removing a Keycap
  57
- Removing the Display Screws
  58
- Removing the Clutches and Display Cable
  59
- Removing Ics
  63
- Replacing Plug-In Drawer Pcas
  64
Chapter 7 Adjustments

66
Chapter 8 Troubleshooting

67
- Overview
  67
- Troubleshooting Procedures
  67
- Comparison of Diagnostic Tests
  67
- Troubleshooting Procedures
  69
- Main Diagnostic Procedure
  70
- Startup Problems
  72
- Diagnostic Test Results
  75
- System RAM Diagnostic Identification
  80
- Repair Procedures
  81
- Software Drawer Jumper Configurations
  81
- Repairing the Power Supply
  85
- Repairing the Processors
  89
- Repairing the Display
  92
- Repairing the Keyboard
  94
- Repairing the Serial Interface
  96
- Repairing the Modem
  98
- Using Oscilloscope Routines
  99
- Diagnostic Module Scope Routines
  100
- Disc-Based Scope Routines
  102
- Selecting Oscilloscope Routines
  102
- Burning an EPROM
  104
- Testing the Recharger
  106
- Testing the Snalinkj3270 Software Drawer
  108
Chapter 9 Replaceable Parts

109
Chapter 10 Reference Information

127
- Introduction
  127
- Diagnostic Test Results
  127
- Descriptions of Diagnostic Tests
  133
- System Test
  133
- CPU Test
  133
- ROM Test
  133
- RAM Test
  133
- LCD Test
  134
- Keyboard Test
  134
- HP-IL Test
  134
- Modem Test
  135
- RS-232-C Test
  135
- Beeper Test
  135
- Timer Test
  135
- Sleep Test
  135
- Service References
  136
- Service Equipment
  136
- RS-232-C Test Connector
  136
- Snalink/3270 Test Board
  136
- Diagnostic Module
  137
Chapter 11 Product History

145
Chapter 12 Diagrams

159
- Software (ROM) Drawer PCA Component Location Diagram
  168
- Diagrams
  169
- Keyboard Rows and Columns
  170
- French Keyboard Layout
  171
- German Keyboard Layout
  171
- Italian Keyboard Layout
  172
- Swiss-French Keyboard Layout
  172
- Swiss-German Keyboard Layout
  173
- Dutch Keyboard Layout
  173
- Danish Keyboard Layout
  174
- Swedish Keyboard Layout
  174

HP Portable PLUS Getting Started (53 pages)

Brand: HP | Category: Laptop | Size: 2 MB

Printing History
3
Table of Contents
4
List of Tasks
6
About this Booklet
7
What's in Your Computer's System
8
The Basic Portable PLUS
8
Major Options
9
The First Steps
10
Starting up the Computer
10
Unlatching the Case
10
Turning the Display on and off
11
Adjusting the Screen's Brightness
12
The Computer Is Never Really off
13
Using the Battery Recharger
13
What to Do if You Get Stuck
15
For Example
15
Resetting the Computer
16
Where to Go from here
16
Understanding the Display and Using the Keyboard
18
Understanding the User Interface
18
Giving Instructions (the Main P.AM. Screen)
18
Using the Function Keys ((Ill through
19
How to Find
24
Using the Keyboard
25
Using the (Return) Key
25
Using Other Special Keys
25
Where to Go from here
28
Changing the System Configuration
39
Starting an Application
43
Checking the Available Memory
43
Selecting the Application
44
Working with Files
46
Creating a File
49
Deleting a File
49
Printing a File
50

HP Portable PLUS Installation Instructions Manual (32 pages)

Brand: HP | Category: Desktop | Size: 1 MB

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HP Portable PLUS Service Manual (177 pages)

Table of Contents

Chapter 1 General Information

Chapter 2 Site Preparation Requirements

Chapter 3 Installation and Configuration

Chapter 4 Preventive Maintenance

Chapter 5 Functional Description

Chapter 6 Removal and Replacement

Chapter 7 Adjustments

Chapter 8 Troubleshooting

Chapter 9 Replaceable Parts

Chapter 10 Reference Information

Chapter 11 Product History

Chapter 12 Diagrams

HP Portable PLUS Getting Started (53 pages)

Table of Contents

HP Portable PLUS Installation Instructions Manual (32 pages)

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