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MiTAC 7521 PLUS/N User Manual

MiTAC 7521 PLUS/N
180 pages
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SERVICE MANUAL & TROUBLESHOOTING GUIDE FOR
SERVICE MANUAL & TROUBLESHOOTING GUIDE FOR
SERVICE MANUAL & TROUBLESHOOTING GUIDE FOR
7521 Plus/N
7521 Plus/N
AUG. 2001
AUG. 2001
BY
BY
Richard Wang
Richard Wang
TESTING TECHNOLOGY DEPARTMENT / TSSC
TESTING TECHNOLOGY DEPARTMENT / TSSC
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MiTAC 7521 PLUS/N Specifications

General IconGeneral
BrandMiTAC
Model7521 PLUS/N
CategoryLaptop
LanguageEnglish

Summary

Hardware Engineering Specification

Introduction

Describes the engineering specifications for the portable notebook computer system.

Hardware System

Details the components and architecture of the notebook's hardware system.

System parts

Lists the individual hardware components used in the system.

CPU MODULE

Describes the specifications for the Intel Pentium III/Celeron FC-PGA processors.

Synthesizer

Details the ICS9248-102 system frequency synthesizer.

SiS630S Slot 1/Socket 370 2D/3D Ultra-AGP™ Single Chipset

Explains the features of the SiS630S single chipset solution.

Super IO: NS PC 97338VJG

Details the functionality of the NS PC 97338VJG Super IO controller.

PC CARD interface controller : TI1225

Describes the TI1225 PC Card interface controller and its features.

DUAL-SLOT PC CARD POWER INTERFACE SWITCH : TPS2206

Details the TPS2206 dual-slot PC card power interface switch.

Keyboard system : H8 (3434F) universal keyboard controller

Explains the H8 (3434F) universal keyboard controller.

System BIOS

Overview of the system BIOS and its software features.

System BIOS and Software Features Overview

Lists key features including System BIOS, VGA BIOS, POST, APM, PnP, ACPI and PXE BIOS.

BIOS Setup Feature Introduction

Explains how to use the BIOS setup utility for system configuration.

POWER MANAGEMENT

Details the ACPI power management features and states.

Memory System

Describes the HYUNDAI SDRAM cell and memory system characteristics.

Interface

Lists the available ports and connectors on the system.

Audio System: AC’97 CODEC CS4299

Details the AC'97 CODEC CS4299 audio solution.

IR MODULE: HSDL-3600#007

Explains the features of the HSDL-3600#007 Infrared module.

SiS900 Fast Ethernet PCI Bus 10/100Mbps LAN Single Chip with OnNow Support

Details the SiS900 Fast Ethernet LAN controller features.

CH7005C Digital PC to TV Encoder

Explains the CH7005C digital PC to TV encoder for video output.

Special Feature Function

Hot Key Function

Lists the functions associated with hot key combinations.

Easy Start Button function

Describes the functionality of the Easy Start buttons.

Flash ROM (BIOS)

Information on the state-of-the-art Flash EEPROM technology.

LED Indicators

Explains the status LED indicators for system activity.

COM port assignment

Specifies the assignments for COM1 and COM2 ports.

SMM and System BIOS

System Management Mode

Details power saving modes configurable via ROM CMOS setup.

Peripheral Components

LCD Panel

Provides specifications for the Hyundai 14X13 XGA TFT LCD Panel.

Hard Disk Drive

Details the Fujitsu MHK2120AT 12 GB Hard Disk Drive specifications.

Floppy Disk Drive

Lists specifications for the Mitsumi D353G Floppy Disk Drive.

Keyboard

Information about external and internal keyboard support.

24X CD-ROM Drive

Details the optional Matsushita, LGS, or Teac CD-ROM drives.

LED Indicators

Describes the function of various status LEDs on the system.

IO port

Lists the I/O ports available on the system.

CMOS Battery

Information about the CMOS battery specifications and life.

PCMCIA Socket

Details the specifications and operating conditions of the PCMCIA socket.

FAN

Specifications for the system fan, including dimensions and operating speed.

Appendix 1: GPIO definitions

GPI DEFINITIONS

Defines the General Purpose Input/Output (GPIO) signals and their functions.

System View and Disassembly

Tools introduction

Lists the necessary tools for system assembly and disassembly.

System View

Provides visual layouts of the system's front, left, right, rear, bottom, and top views.

Front View

Identifies components visible from the front of the notebook.

Left-Side View

Identifies components visible on the left side of the notebook.

Right-Side View

Identifies components visible on the right side of the notebook.

Rear View

Identifies components visible on the rear of the notebook.

Bottom View

Identifies components visible on the bottom of the notebook.

Top-Open View

Identifies components visible when the notebook is open.

System Disassembly

Guides on how to disassemble major notebook components.

Battery Pack

Step-by-step instructions for removing and reinstalling the battery pack.

CPU

Instructions for disassembling and reassembling the CPU module.

Modem Card

Steps for removing and reinstalling the modem card.

FDD/HDD Module

Instructions for disassembling and reassembling the FDD/HDD module.

CD-ROM Drive

Steps for removing and reinstalling the CD-ROM drive.

Keyboard

Instructions for removing and reinstalling the keyboard.

SO-DIMM

Steps for removing and reinstalling the SO-DIMM memory module.

LCD Assembly

Instructions for disassembling and reassembling the LCD assembly.

LCD Panel

Steps for removing and reinstalling the LCD panel.

Inverter Board

Instructions for removing and reinstalling the inverter board.

System Board

Steps for disassembling and reassembling the system board.

Touchpad

Instructions for removing and reinstalling the touchpad.

Definition & Location Of Connectors / Switches

Mother Board-A

Identifies connectors and switches on Mother Board-A.

Mother Board Switch Table

Provides switch settings for CPU/SDRAM frequency and LCD panel ID.

Mother Board-B

Identifies connectors and components on Mother Board-B.

Daughter Board

Identifies connectors on the MDC/LAN transfer board.

Charger Board

Identifies connectors and switches on the charger board.

IQSB Board

Identifies switches and connectors on the IQSB board.

Easy Start Button Board

Identifies switches and connectors on the Easy Start Button board.

Definition & Location Of Major Components

Main Board ( Side A )

Identifies major components on the main board (Side A).

Main Board ( SIDE B )

Identifies major components on the main board (Side B).

Pin Descriptions Of Major Components

Pentium III/Celeron FC-PGA2 CPU

Describes the pin functions for Pentium III/Celeron FC-PGA2 CPUs.

SiS630S Slot 1/Socket 370 2D/3D Ultra-AGP™ Single Chipset

Details the pin descriptions for the SiS630S chipset.

System Block Diagram

Maintenance Diagnostics

Introduction

Explains the system BIOS power-on self-test (POST) and error detection.

Diagnostic Tools :

Lists diagnostic tools including LED and PIO connector.

CIRCUIT:

Shows the circuit diagram for the PIO diagnostic setup.

TROUBLE SHOOTING

NO POWER

Troubleshooting steps for issues with no power.

NO DISPLAY

Troubleshooting steps for no display on LCD or monitor.

VGA CONTROLLER FAILURE LCD NO DISPLAY

Troubleshooting steps for VGA controller failure causing no LCD display.

EXTERNAL MONITOR NO DISPLAY

Troubleshooting steps for no display on an external monitor.

MEMORY TEST ERROR

Troubleshooting steps for memory test errors or system hangs.

KEYBOARD(K/B) TOUCH-PAD(T/P) , ESB TEST ERROR

Troubleshooting steps for keyboard, touch-pad, or ESB test errors.

CD-ROM DRIVE TEST ERROR

Troubleshooting steps for errors when reading data from CD-ROM drive.

HARD DRIVE TEST ERROR

Troubleshooting steps for hard drive errors or spinning motor.

USB PORT TEST ERROR

Troubleshooting steps for errors when a USB device is installed.

AUDIO FAILURE

Troubleshooting steps for no sound from the speaker after driver installation.

SIO PORT TEST ERROR

Troubleshooting steps for errors with a mouse or other I/O device.

PIO PORT TEST ERROR

Troubleshooting steps for printer issues with PIO port.

PC-CARD SOCKET FAILURE

Troubleshooting steps for errors with a PC card device.

SPARE PARTS LIST-1

7521 Plus/N Schematics

Reference

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