Samsung 2220WM Service Manual - Page 2

Contents 1. Precautions ...4 1-1 Safety Precautions ...4 1-2 Servicing Precautions ...5 1-3 Static Electricity Precautions ...5 1-4 Installation Precautions ...6 2. Product specifications ...7 2-1 Fashion Feature ...7 2-2 2220WM Specifications ...7 3. Alignments and Adjustments ...8 3-1 Required Equipment ...8 3-2 Automatic Color Adjustment ...8 3-3 DDC EDID Data Input ...8 3-4 EDID table ... 9 3-5 How to execute DDC ...13 3-6 How to execute MCU Code ...15 4. Troubleshooting ...16 4-1 Common Acknowledge ...16 4-2 No Picture (VGA Mode) ... 17 4-3 No Picture (DVI Mode) ... 18 4-4 No Power ... 19 5. Exploded View and Parts List ...20 5-1 Exploded View ...20 5-2 Parts List ...22 6. Block Diagram ...24 6-1 Power Tree ...24 6-2 Main Board Part ...24 6-3 IP Board Part (SMPS Part) ...25 6-4 IP Board Part (Inverter Part) ...25 7. Wiring Diagram ...34 8. Schematic Diagrams ...27 8-1 DC- DC ...27 8-2 Input ...27 8-3 TSUMU58WHJ ...28 8-4 Power ...28 8-5 Inverter ...29 8-6 Keypad ...29 8-7 Audio ... 30 8-8 Ear Phone ...30 9. Operating instructions and installation ...31 9-1 front ...31 9-2 Rear ...32 2