Samsung NP900X4D, Service Manual

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Contents
Contents
1. Precaution........................................................................................................................................ 1 − 1
1.1. General After-Sales Service Precautions....................................................................................... 1 − 1
1.2. Safety Precautions ................................................................................................................... 1 − 2
1.3. Ground .................................................................................................................................. 1 − 3
1.4. Static Electricity Precautions...................................................................................................... 1 − 4
2. Introduction ..................................................................................................................................... 2 − 1
2.1. Product Features ...................................................................................................................... 2 − 1
2.2. Specification ........................................................................................................................... 2 − 2
2.3. Comparing product specifications ............................................................................................... 2 − 7
2.4. Function of Product.................................................................................................................. 2 − 8
2.5. New Technology / ability .......................................................................................................... 2 − 14
2.6. Hardware ............................................................................................................................... 2 − 21
2.7. Software ................................................................................................................................ 2 − 27
2.8. Bios Setup .............................................................................................................................. 2 − 29
2.9. HW & Option Materials ............................................................................................................ 2 − 34
3. Desassembly and Reassembly.............................................................................................................. 3 − 1
3.1. Main System........................................................................................................................... 3 − 1
3.2. TOP A’ssy .............................................................................................................................. 3 − 4
3.3. LCD A’ssy.............................................................................................................................. 3 − 6
4. Trouble shooting ............................................................................................................................... 4 − 1
4.1. General spec ........................................................................................................................... 4 − 1
4.2. Debugging Flow Chart.............................................................................................................. 4 − 2
4.3. Diagnosis application ............................................................................................................... 4 − 5
4.4. System Diagnosis .................................................................................................................... 4 − 7
4.5. Hardware Troubleshooting ........................................................................................................ 4 − 8
4.5.1. LCD ......................................................................................................................... 4 − 8
4.5.2. Problems related with Power ......................................................................................... 4 − 9
4.5.3. Others ....................................................................................................................... 4 − 11
4.6. CPU FAN Control.................................................................................................................... 4 − 14
4.7. Other..................................................................................................................................... 4 − 16
4.8. H/W Upgrade.......................................................................................................................... 4 − 17
5. System Wire Diagram ........................................................................................................................ 5 − 1
5.1. System Layout ........................................................................................................................ 5 − 1
5.2. System Component .................................................................................................................. 5 − 3
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