Service Manuals, User Guides, Schematic Diagrams or docs for : Mitac mitac 8965
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SERVICE MANUAL FOR
8965
BY: Sinty Zhang
Repair Technology Research Department /EDVD
Apr.2005 / R01
8965 N/B Maintenance
Contents
1. Hardware Engineering Specification ................................................................................. 4
1.1 Introduction ................................................................................................................................ 4
1.2 System Hardware Parts .................................................................................................................. 6
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1.3 Other Functions ........................................................................................................................... 22
1.4 Power Management ...................................................................................................................... 27
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1.5 Appendix 1 : VIA VT8235CE GPI/O Pins Definitions ............................................................................. 30
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1.6 Appendix 2 : W83L950D KBC Pins Definitions .................................................................................... 32
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2. System View and Disassembly ......................................................................................... 34
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2.1 System View ............................................................................................................................... 34
2.2 Tools Introduction ........................................................................................................................ 37
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2.3 System Disassembly ...................................................................................................................... 38
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3. Definition & Location of Connectors / Switches ....................................................................
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58
3.1 Mother Board .............................................................................................................................. 58
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3.2 Modem Board .............................................................................................................................. 61
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4. Definition & Location of Major Components ....................................................................... 62
4.1 Mother Board .............................................................................................................................. 62
5. Pin Description of Major Components ............................................................................... 64
5.1 Intel Pentium M Processor CPU ...................................................................................................... 64
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8965 N/B Maintenance
Contents
5.2 PN800 North Bridge ..................................................................................................................... 68
5.3 VT8235CE South Bridge ................................................................................................................ 79
6. System Block Diagram .................................................................................................. 89
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7. Maintenance Diagnostics ............................................................................................... 90
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7.1 Introduction ............................................................................................................................... 90
7.2 Error Codes ............................................................................................................................... 91
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7.3 Debug Tool ................................................................................................................................. 93
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8. Trouble Shooting ......................................................................................................... 94
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8.1 No Power ................................................................................................................................... 96
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8.2 Battery Can not Be Charged ........................................................................................................... 99
8.3 No Display ................................................................................................................................. 101
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8.4 LCD No Display or Picture Abnormal ............................................................................................... 104
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8.5 External Monitor No Display or Color Abnormal ................................................................................. 107
8.6 Memory Test Error ...................................................................................................................... 109
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8.7 Keyboard (K/B) Touch-Pad (T/P) Test Error ...................................................................................... 111
8.8 Hard Disk Drive Test Error ............................................................................................................ 113
8.9 USB Port Test Error ..................................................................................................................... 115
8.10 Mini-PCI Socket Test Error ......................................................................................................... 118
8.11 Audio Test Error ........................................................................................................................ 120
8.12 LAN Test Error .......................................................................................................................... 123
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8965 N/B Maintenance
Contents
9. Spare Parts List ........................................................................................................... 125
10. System Exploded Views ................................................................................................ 138
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11. Circuit Diagram ......................................................................................................... 140
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12. Reference Material .....................................................................................................
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172
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8965 N/B Maintenance
1. Hardware Engineering Specification
1.1 Introduction
1.1.1 General Description
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This document describes the brief introduction for MITAC 8965 portable notebook computer system.
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1.1.2 System Overview
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The MITAC 8965 model is designed for Intel Banias processor with 400MHz FSB with Micro-FCPGA package. It
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can support Banias 1.5G ~ 1.9GHz.
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This system is based on PCI architecture and is fully compatible with IBM PC/AT specification, which has standard
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hardware peripheral interface. The power management complies with Advanced Configuration and Power Interface
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(ACPI) 2.0. It also provides easy configuration through CMOS setup, which is built in system BIOS software and can
be pop-up by pressing F2 key at system start up or warm reset. System also provides icon LEDs to display system
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status, such as Wireless Lan indicator, Power indicator, Battery status indicator, HDD, Num Lock, Caps Lock, Scroll
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Lock. It also equipped with LAN, 4 USB ports, and audio line out, external microphone function.
The memory subsystem supports two expansion DDR SDRAM slot with unbuffered PC3200 DDR400 SDRAM.
The VIA PN800 Mobile North Bridge integrates a high performance CPU interface for Intel Pentium 4 / Pentium-M
processor, a full featured AGP port controller, integrated Graphics with 2D/ 3D/ Video Controllers, a advanced high-
performance DDR400 SDRAM controller, and high bandwidth Ultra V-Link host controller connecting with VIA
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8965 N/B Maintenance
VT8235CE South Bridge.
The VIA VT8235CE integrates Universal Serial Bus 2.0 Host Controllers Interface (UHCI), the Audio Controller
with AC97 interface, the Ethernet includes a 32-bit PCI controller, the IDE Master/Slave controllers, and Inter-
operable with VIA Host-to-V-Link Host Controller.
The VIA VT6103L is a Fast Ethernet 10 / 100 1-port PHY / Transceiver with MII interface, and meet all applicable
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IEEE 802.3, 10Base-T and 100Base-Tx standards.
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The W83L950D is a high performance microcontroller on-chip supporting functions optimized for embedded control.
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These include ROM, RAM, four types of timers, a serial communication interface, optional I◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo