Table Of Contents - Samsung T220HD 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. PC (ANALOG) No Screen ............................................................................................ 4-5
4-4. DVI No Screen ............................................................................................................... 4-8
4-5. HDMI1 No Screen ........................................................................................................ 4-11
4-6. HDMI2 No Screen ........................................................................................................ 4-13
4-7. Faults and Corrective Actions ....................................................................................... 4-14
4-8. Adjustment .................................................................................................................... 4-15
4-10. Service Adjustment ..................................................................................................... 4-16
5. Exploded View & Part List ...................................................................................... 5-1
5-1. Exploded View ................................................................................................................ 5-1
5-2. Parts List ......................................................................................................................... 5-3
6. Wiring Diagram ........................................................................................................ 6-1
6-1. Wiring Diagram - Main Board ......................................................................................... 6-1
6-2. Wiring Diagram - Main Board ......................................................................................... 6-2
6-3. Wiring Diagram - IP Board .............................................................................................. 6-3
7. Schematic Diagram ................................................................................................. 7-1
7-1. Circuit Descriptions ......................................................................................................... 7-1
7-2. Block Diagram (IP Board) ............................................................................................... 7-2
7-3. Power Tree (Main Board) ............................................................................................... 7-3
7-4. Schematic Diagrams ...................................................................................................... 7-5
7-4-1. Schematic Diagrams (POWER) .................................................................................. 7-5
7-4-2. Schematic Diagrams (Function / DDR Memory / Scaler) ............................................ 7-6
7-4-3. Schematic Diagrams (LVDS / OP AMP / Scaler) ......................................................... 7-7
7-4-4. Schematic Diagrams (Tuner / Channel Chip ) ............................................................. 7-8
7-4-5. Schematic Diagrams (Connector) ............................................................................... 7-9
7-4-6. Schematic Diagrams (TMDS Switch) ........................................................................ 7-10
7-4-7. Schematic Diagrams (Sound Amp / Headphone) ...................................................... 7-11
Contents