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LCD TV Service Manual
Hisense Confidential
Contents
Contents.......................................................................................................................................................................- 2 -
Service Manual ...........................................................................................................................................................- 3 -
1. Precautions and notices.....................................................................................................................................- 3 -
1.1 Warning...................................................................................................................................................- 4 -
1.2 Notes.......................................................................................................................................................- 7 -
2. Product Function Specifications.....................................................................................................................- 10 -
2.1 Product Function...................................................................................................................................- 10 -
2.2 Specifications........................................................................................................................................- 11 -
3. LCD Panel Spec..............................................................................................................................................- 12 -
3.1General Description...............................................................................................................................- 12 -
3.2 General Features...................................................................................................................................- 13 -
4. Chassis Layout and Overall Wiring Diagrams ...............................................................................................- 14 -
4.1 Boards and Chassis Layout...................................................................................................................- 14 -
4.2 Wires and Cables Overall Wiring Diagram(s)......................................................................................- 15 -
5. Factory/Service OSD Menu and Adjustment..................................................................................................- 16 -
5.1 To enter the Factory OSD Menu...........................................................................................................- 16 -
5.2 Factory OSD Menu...............................................................................................................................- 16 -
5.3 Designer Menu......................................................................................................................................- 17 -
5.4 To Exit the Aging Mode........................................................................................................................- 19 -
6. Software Upgrading........................................................................................................................................- 20 -
6.1 Get ready for upgrading........................................................................................................................- 20 -
6.2 Upgrading with the MtkTool ................................................................................................................- 22 -
7. Troubleshooting..............................................................................................................................................- 26 -
7.1 Troubleshooting for Remote Control....................................................................................................- 26 -
7.2 Troubleshooting for Function Key........................................................................................................- 27 -
7.3 TV won’t Power On..............................................................................................................................- 28 -
7.4 Troubleshooting for Audio....................................................................................................................- 29 -
7.5 Troubleshooting for TV/VGA/HDMI input..........................................................................................- 30 -
7.6 Troubleshooting for YPbPr input..........................................................................................................- 31 -
7.7 Troubleshooting for Video/S-Video input.............................................................................................- 32 -
8. Explode View and Explode Bom List.............................................................................................................- 33 -
9. Schematic circuit diagram ..............................................................................................................................- 33 -