Samsung LA22B450C4H, Service Manual

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Contents
1. Precautions .............................................................................................................. 1-1
1-1. Safety Precautions ......................................................................................................... 1-1
1-2. Servicing Precautions ..................................................................................................... 1-2
1-3. Electrostatically Sensitive Devices (ESD) Precautions .................................................. 1-2
1-4. Installation Precautions .................................................................................................. 1-3
2. Product specifications ............................................................................................ 2-1
2-1. Feature & Specifications ................................................................................................. 2-1
2-2. New Features explanation .............................................................................................. 2-9
2-3. Specification Comparison to Old Models ...................................................................... 2-10
2-4. Accessories .................................................................................................................. 2-11
3. Disassembly and Reassembly ............................................................................... 3-1
3-1. Disassembly and Reassembly ....................................................................................... 3-1
4. Troubleshooting ...................................................................................................... 4-1
4-1. Troubleshooting .............................................................................................................. 4-1
4-2. Alignments and Adjustments ........................................................................................ 4-25
4-3. Factory Mode Adjustments ........................................................................................... 4-26
4-4. Setting the Hotel Option Data ....................................................................................... 4-38
4-5. White Balance - Calibration .......................................................................................... 4-42
4-6. White Ratio (Balance) Adjustment ................................................................................ 4-42
4-7. Servicing Information .................................................................................................... 4-43
4-9. HOW TO UPGRADE WITH JIG ................................................................................... 4-61
4-10. PCB diagram .............................................................................................................. 4-63
5. Exploded View & Part List ...................................................................................... 5-1
5-1. LA26B450C4H / LA26B457C6H Exploded View ............................................................ 5-1
5-2. LA32B450C4H / LA32B457C6H Exploded View ............................................................ 5-3
5-3. LA37B450C4H / LA37B457C6H Exploded View ............................................................ 5-5
5-4. LA40B457C6H Exploded View ....................................................................................... 5-7
5-5. LA26B450C4H Parts List .............................................................................................. 5-11
5-6. LA26B457C6H Parts List .............................................................................................. 5-31
5-7. LA32B450C4H Parts List .............................................................................................. 5-52
5-8. LA32B457C6H Parts List .............................................................................................. 5-72
5-9. LA37B450C4H Parts List .............................................................................................. 5-94
5-10. LA37B457C6H Parts List .......................................................................................... 5-114
5-11. LA40B457C6H Parts List .......................................................................................... 5-135
6. Wiring Diagram ........................................................................................................ 6-1
6-1. Wiring Diagram 26”/32”/37”/40” ...................................................................................... 6-1
6-2. Connector Functions ...................................................................................................... 6-5
6-3. Cables ............................................................................................................................ 6-5