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SAMSUNG
R20
NP-R2 xxxx/xxx




SERVICE Manual


SAMSUNG R20 FEATURES

1. High Performance Notebook Computer
-. Intel CoreTM2 Duo processor, ntel CoreTM
Duo/Solo Processor . DDR II Memory
-. wireless LAN,Bluetooth
-. 14.1'' WXGA LCD
-. Windows Vista/XP Premium Supportable.
2. Easy-To-Use
Play AVStation and AVStation Now
(optional)are provided to easily play various
multimedia files.
3.Sophisticated Design for increased Usability
-. AV Now and various shortcut keys on the
keyboard
-. Multi card slot
-. Luxurious design with increased usability


*The items marked with this symbol are optional items
that are supported depending on the computer model
- This Document can not be used without Samsung's authorization -


CONTENTS
1. Precautions
1) General After-Sales Service Precautions...............................................................................................1-1
2) Safety Precautions...................................................................................................................................1-2
3) Ground......................................................................................................................................................1-3


2. Introduction and Specification
1) Introduction...............................................................................................................................................2-1
2) Specification.............................................................................................................................................2-2
3) Wireless LAN Specification.....................................................................................................................2-8
4) Option list...............................................................................................................................................2-10
3. Function
1) Construction of System...........................................................................................................................3-1
2) Keyboard..................................................................................................................................................3-5
3) Multi Card Slot........................................................................................................................................3-7
4) PC Card Slot.........................................................................................................................................3-10
5) Connecting a monitor/TV......................................................................................................................3-11
6) Microsoft Windows Vista.......................................................................................................................3-12
7) Adjusting the Volume............................................................................................................................3-17
8) Media Center.........................................................................................................................................3-18
9) BIOS Setup............................................................................................................................................3-19
10) Description of Main board..................................................................................................................3-21


4. Disassembly and Reassembling
1) Disassembly and Reassembly of R20...................................................................................................4-1


5. Troubleshooting
1) General.....................................................................................................................................................5-1
2) Debugging Flow Chart............................................................................................................................5-2
3) System Diagnosis....................................................................................................................................5-4
4) Hardware Troubleshooting......................................................................................................................5-8
5) Device Settings Related Software Diagnosis.......................................................................................5-17
6) Battery Use Time..................................................................................................................................5-22


6. Exploded view
1) Exploded view of R20.............................................................................................................................6-1
3) ODD........................................................................................................................................................6-12


7. Schematic
1) SYSTEM...................................................................................................................................................7-2
- This Document can not be used without Samsung's authorization -


CONTENTS

8. System Block Diagram
1) Block diagram.........................................................................................................................................8-1


9. System Wire Diagram
1) R20 Top..................................................................................................................................................9-1.
2) R20 Bottom.............................................................................................................................................9-1
3) LCD.........................................................................................................................................................9-2


10. Part list
1) SYSTEM.................................................................................................................................................10-1


11. References
1) Model Numbering Rule.........................................................................................................................11-1.
2) CPU Code table....................................................................................................................................11-4
3) Glossary.................................................................................................................................................11-5
4) Hardware Upgrade...............................................................................................................................11-12