Contents1. Precautions .............................................................................................................. 1-11-1. Safety Precautions ......................................................................................................... 1-11-2. Servicing Precautions ..................................................................................................... 1-21-3. Static Electricity Precautions .......................................................................................... 1-21-4. Installation Precautions .................................................................................................. 1-32. Product specifications ............................................................................................ 2-12-1. Feature & Specifications ................................................................................................. 2-12-2. Spec Comparison to the Old Models .............................................................................. 2-32-3. Accessories .................................................................................................................... 2-43. Disassembly and Assembly ................................................................................... 3-13-1. Disassembly ................................................................................................................... 3-14. Troubleshooting ...................................................................................................... 4-14-1. First Checklist for Troubleshooting ................................................................................. 4-14-2. No Power ........................................................................................................................ 4-24-3. PC (ANALOG) No Screen ............................................................................................ 4-54-4. DVI No Screen ............................................................................................................... 4-84-5. HDMI No Screen .......................................................................................................... 4-104-6. Faults and Corrective Actions ....................................................................................... 4-134-7. Adjustment .................................................................................................................... 4-144-8. How to Access Service Mode ....................................................................................... 4-144-9. White Balance - Calibration .......................................................................................... 4-164-10. White Ratio (Balance) Adjustment .............................................................................. 4-184-11. Servicing Information .................................................................................................. 4-195. Exploded View & Part List ...................................................................................... 5-15-1. Exploded View (P2270HD) ............................................................................................. 5-15-2. Parts List (P2270HD) ...................................................................................................... 5-35-3. Exploded View (P2370HD) ............................................................................................. 5-65-2. Parts List (P2370HD)............................................................................................................................. 5-86. Wiring Diagram ........................................................................................................ 6-16-1. Wiring Diagram - Main Board ......................................................................................... 6-16-2. Wiring Diagram - Main Board ......................................................................................... 6-26-3. Connector Functions ...................................................................................................... 6-36-4. Cables ............................................................................................................................ 6-3