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Q320
Miami

SERVICE
Q320

Manual
Contents

1. High performance notebook computer - Up-to-date Intel Montevina Platform applied - Improvement of wireless capacity such as Wireless LAN (option), Bluetooth (option) 2. Convenient functions - For Internal Camera (Option), convenient usage of filming and taking pictures - Convenient connection with TV as HDMI port is provided 3. Prudent design with consideration of practical usage - Prudent design with consideration of practical usage - Flat touch pad is practical and is designed elegantly

If there are the contents not included in this book, please refer to K-zone service manual

(Copyright)
Copyright (C) 2008 SAMSUNG Electronics Co.,Ltd. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of SAMSUNG Electronics Co.,Ltd. No patent liability is assumed with respect to the use of the information contained herein. 2008 . . .

discrepancies between any succeeding product and this manual. . NC20 . . .

(Trademarks)
IBM PS/2,Personal System/2, MCA, Micro Channel, AT, XT, MDA, CGA, EGA, VGA are registered trademarks of International Business Machine Corporation. MS-DOS and Windows are registered trademarks of Microsoft Corporation. Pentium, PentiumPro, Pentium II, Pentium III and Pentium IV, is a registered trademark of Intel Corporation. Phoenix is a registered trademark of Phoenix Corporation. NC20 Series is a registered trademarks of SAMSUNG Electronics Co.,Ltd.

(Disclaimer)
This information presented in this manual has reviewed and validated for accuracy. The included set of instructions and descriptions are corrected for the NC20 Series at the time of this manual's production. However, succeeding computers and manuals are subject to change without notice. Therefore, SAMSUNG Electronics Co.,Ltd. assumes no liability for damages incurred directly or indirectly from errors, omissions, or

Q320



- - This Document can not be used without Samsung's authorization -


1. Precautions
1-1. General After-Sales Service Precautions ............................................................ 1-1 1-2. Safety Precautions ............................................................................................ 1-2 1-3. Ground ............................................................................................................. 1-2 1-4. Static Electricity Precautions ............................................................................. 1-2

2. Introduction and Specification
2-1. Product features ............................................................................................... 2-1 2-2. Specification..................................................................................................... 2-2 2-3. Comparing product specifications....................................................................... 2-9 2-4. Comparing product specifications jatasa........................................................... 2-10 2-5. Option Material List ......................................................................................... 2-11 2-6. Function of Product ......................................................................................... 2-14 2-7. SW List........................................................................................................... 2-23 2-8. System Setup (BIOS Setup) .............................................................................. 2-24 2-9. Mainboard Part Description .............................................................................. 2-32

3. Disassembly and Reassembly
3-1. Disassembly and Reassembly Q320 .................................................................... 3-1

4. Troubleshooting
4-1. General ............................................................................................................ 4-1 4-2. Debugging Flow Chart ....................................................................................... 4-2 4-3. System Diagnosis ............................................................................................. 4-5 4-4. Diagnosis application ...................................................................................... 4-15 4-5. H/W Troubleshooting ....................................................................................... 4-18 4-6. CPU Fan Control ............................................................................................. 4-28 4-7. Battery Use Time ........................................................................................... 4-30

5. Exploded View & Parts List
5-1. UNIT-HOUSING_FRONT ..................................................................................... 5-1 5-2. UNIT-HOUSING_FRONT_LIST .............................................................................. 5-2 5-3. UNIT-HOUSING_BACK ....................................................................................... 5-3 5-4. UNIT-HOUSING_BACK_LIST ................................................................................ 5-4 5-5. MIAMI-EXPLODE_VIEW_TOTAL ............................................................................ 5-5 5-6. MIAMI-EXPLODE_VIEW_TOTAL_LIST .................................................................... 5-6 5-7. UNIT-HOUSING_TOP.......................................................................................... 5-7 5-8. UNIT-HOUSING_TOP_LIST .................................................................................. 5-8 5-9. LCD-ASSEMBLY-EXPLODE ................................................................................ 5-9 5-10. LCD-ASSEMBLY-EXPLODE_LIST ..................................................................... 5-10 5-11. UNIT-HOUSING_BOTTOM ............................................................................... 5-11 5-12. UNIT-HOUSING_BOTTOM_LIST ........................................................................ 5-12

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6. Material List 7. System Wire Diagram
7-1. View ................................................................................................................ 7-1 7-2. Bottom ............................................................................................................. 7-2 7-3. System ............................................................................................................. 7-3 7-4. LCD ................................................................................................................. 7-4

8. Block Diagram and Schematic



Q320

. This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.

Samsung Electronics Co.,Ltd. February 2009. Printed in Korea