Compal NBLB2 - User Manual

NBLB2
Service Manual

Summary

Chapter 1 System Description Specification

Important Safety Instructions

Provides crucial safety precautions for using the telephone equipment.

Specifications

Details the hardware and software specifications of the NBLB2 notebook.

Chapter 2 Software Specification

System Components Summary

Provides a summary of the notebook's main hardware components.

System Controls

Details system controls like buttons, power, and BIOS features.

Power Management for ACPI mode

Explains ACPI power states and management.

ACPI (Advanced Configuration and Power Interface)

Describes the ACPI mechanism, sleep states, and power state transitions.

System Setup

Guides users on invoking and navigating the system setup utility menus.

OS Compatibility

Lists the operating systems supported by the notebook.

Software Specification for EC-FW

Details the Embedded Controller Firmware (EC-FW) specifications and commands.

Chapter 3 Hardware

Top View

Provides a diagram and labels for the top view of the motherboard.

Bottom view

Provides a diagram and labels for the bottom view of the motherboard.

Chapter 4 DC-DC Converter

NBLB2 Adapter Description

Defines the performance and characteristics of the 90W AC adapter.

Adapter Electrical Specification

Lists detailed electrical specifications for the AC adapter.

Charger

Explains the battery charging process and control by KB926.

Over Voltage Protection

Lists the over-voltage protection thresholds for various power rails.

Under voltage protection

Lists the under-voltage protection thresholds for various power rails.

Short circuit protection

Describes the short circuit protection mechanisms for power rails.

Chapter 5 Disassembly Guide

Removing the Battery Pack

Step-by-step guide to safely remove the battery pack from the notebook.

Removing the HDD Module

Instructions on how to remove the Hard Disk Drive module.

Removing the Keyboard

Detailed procedure for removing the notebook keyboard.

Removing the Motherboard

Instructions for removing the motherboard from the notebook.

Chapter 6 Testing and Troubleshooting

Testing and Troubleshooting Overview

Introduces chapter's purpose and methodology for isolating problems.

PERFORM VISUAL INSPECTION

Outlines initial checks for power cords, supply, shorts, and components.

Power Supply Troubleshooting

Diagnoses and resolves power supply issues.

Display Troubleshooting

Identifies and fixes display-related problems.

Keyboard Troubleshooting

Details steps for keyboard functionality issues.

Camera function Troubleshooting

Diagnoses and fixes camera issues.

Blue tooth function Troubleshooting

Troubleshoots Bluetooth connectivity.

Compal NBLB2 Specifications