Hisense LCD42P69P, LCD47P69P , Contents

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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........................................................................................................................................- 12 -

3. LCD Panel Spec..............................................................................................................................................- 13 -

4. Chassis Layout and Overall Wiring Diagrams...............................................................................................- 16 -

Boards and Chassis Layout.........................................................................................................................- 16 -

5. Factory/Service OSD Menu and Adjustment..................................................................................................- 17 -

5.1 To enter the Factory OSD Menu...........................................................................................................- 17 -

5.2 Factory OSD Menu...............................................................................................................................- 17 -

6 Software Upgrading........................................................................................................................................- 21 -

6.1 Get ready for upgrading........................................................................................................................- 21 -

6.2 Upgrading with the MtkTool................................................................................................................- 23 -

6.3 Update with USB directly.....................................................................................................................- 27 -

7. Troubleshooting..............................................................................................................................................- 29 -

7.1 Troubleshooting for Remote Control....................................................................................................- 29 -

7.2 Troubleshooting for Function Key........................................................................................................- 30 -

7.3 TV won’t Power On..............................................................................................................................- 31 -

7.4 Troubleshooting for Audio....................................................................................................................- 32 -

7.5 Troubleshooting for TV/VGA/HDMI input..........................................................................................- 33 -

7.6 Troubleshooting for YPbPr input..........................................................................................................- 34 -

7.7 Troubleshooting for Video/S-Video input.............................................................................................- 35 -

8. Explode View..................................................................................................................................................- 36 -

9. Schematic circuit diagram..............................................................................................................................- 36 -