Table Of Contents - Samsung T220M Service Manual

1. Precautions .............................................................................................................. 1-1
1-1. Safety Precautions ......................................................................................................... 1-1
1-2. Servicing Precautions ..................................................................................................... 1-2
1-3. Static Electricity Precautions .......................................................................................... 1-2
1-4. Installation Precautions .................................................................................................. 1-3
2. Product specifications ............................................................................................ 2-1
2-1. Feature & Specifications ................................................................................................. 2-1
2-2. Spec Comparison to the Old Models .............................................................................. 2-3
2-3. Accessories .................................................................................................................... 2-4
3. Disassembly and Assembly ................................................................................... 3-1
3-1. Disassembly ................................................................................................................... 3-1
4. Troubleshooting ...................................................................................................... 4-1
4-1. First Checklist for Troubleshooting ................................................................................ 4-1
4-2. No Power ........................................................................................................................ 4-2
4-3. No Video (Analog PC) ................................................................................................... 4-4
4-4. No Video (Digital-HDMI) ................................................................................................. 4-7
4-5. No Picture (Tuner_CVBS) ............................................................................................ 4-10
4-6. No Picture (AV) ............................................................................................................. 4-13
4-7. No Picture (S-VIDEO) ................................................................................................... 4-16
4-8. No Picture (Component) ............................................................................................... 4-19
4-9. No Sound ...................................................................................................................... 4-22
4-10. Faults and Corrective Actions ..................................................................................... 4-25
4-11. Adjustment .................................................................................................................. 4-26
4-13. Service Adjustment ..................................................................................................... 4-27
5. Exploded View & Part List ...................................................................................... 5-1
5-1. Exploded View -20" ......................................................................................................... 5-1
5-2. Parts List
..................................................................................................................................................... 5-3
5-3. Exploded View -22" ....................................................................................................... 5-20
5-4. Parts List
................................................................................................................................................... 5-22
6. Wiring Diagram ........................................................................................................ 6-1
6-1. Wiring Diagram - Main Board ......................................................................................... 6-1
6-2. Wiring Diagram - IP Board .............................................................................................. 6-2
6-3. Connector Functions ...................................................................................................... 6-3
6-4. Cables ............................................................................................................................ 6-3
7. Schematic Diagram ................................................................................................. 7-1
7-1. Circuit Descriptions ......................................................................................................... 7-1
7-2. Block description ............................................................................................................ 7-2
7-3. Schematic Diagrams ...................................................................................................... 7-3
7-3-1. Schematic Diagrams (POWER) .................................................................................. 7-3
7-3-2. Schematic Diagrams (SOUND) .................................................................................. 7-4
7-3-3. Schematic Diagrams -SIGNAL INPUT (HDMI) ............................................................ 7-5
7-3-4. Schematic Diagrams - SIGNAL INPUT (Component) ................................................. 7-6
7-3-5. Schematic Diagrams - Scaler/LVDS Output ................................................................ 7-7
7-3-6. Schematic Diagrams - Tuner ....................................................................................... 7-8
7-3-7. Schematic Diagrams - PCMCIA .................................................................................. 7-9
7-3-8. Schematic Diagrams - TV PCMCIA ........................................................................... 7-10
7-3-9. Schematic Diagrams - SIGNAL INPUT (DVI) ............................................................ 7-11
Contents