Service ManualModel No.: HL46XSL224-3-1. Function description:............................................................................ 144-3-2. Connector definition: ............................................................................ 144-4. LCD Panel ............................................................................................. 154-4-1. Function Description: Display the signal. ............................................. 164-4-2. Connector definition: ............................................................................ 16Chapter 5. Installation Instructions5-1. External Equipment Connections ................................................205-2. HDMI Connections .............................................................................22Chapter 6. Operation Instructions6-1. Get to know your TV .........................................................................236-2. Get to know your remote control .................................................24Chapter 7. Electrical Parts7-1. Block Diagram .....................................................................................267-2. Circuit Diagram ...................................................................................387-3. Wiring Connection Diagram ...........................................................45Chapter 8. Measurements and Adjustments8-1. Service Mode ...................................................................................... 468-1-1.How to enter into Service Mode............................................................ 468-1-2.How to exit ............................................................................................ 468-2. Measurements and Adjustments .................................................. 468-2-1. The Main Menu .................................................................................... 468-2-2. Video.................................................................................................... 478-2-3. Audio .................................................................................................... 488-2-4. Software UpDate ................................................................................. 48Chapter 9. Trouble shooting9-1. Simple check ....................................................................................... 499-2. Power Supply Board Failure Check. ........................................... 509-3. Mainboard Failure Check ............................................................... 519-4. Pannel Failure ..................................................................................... 524-444Ch5-15-2Ch6-16-2Ch7-17-27-3Ch8-1888-28888Ch9-19-29-39-4