Hisense LCD42V68PAM Service Manual Download

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LCD TV Service Manual

Hisense Confidential

Contents

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Service Manual

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1. Precautions and notices.....................................................................................................................................- 3 -

1.1 Warning...................................................................................................................................................- 4 -

1.2 Notes.......................................................................................................................................................- 7 -

2. LCD Panel Spec................................................................................................................................................- 9 -

3. Chassis Layout and Overall Wiring Diagrams................................................................................................- 11 -

Chassis Layout............................................................................................................................................- 11 -

4. Factory/Service OSD Menu and Adjustment..................................................................................................- 12 -

4.1 To enter the Factory OSD Menu ...........................................................................................................- 12 -

4.2 Factory OSD Menu...............................................................................................................................- 12 -

Software Upgrading........................................................................................................................................- 16 -

5.1 Get ready for upgrading........................................................................................................................- 16 -

5.2 Upgrading with the MtkTool ................................................................................................................- 18 -

5.3 Update with USB directly.....................................................................................................................- 22 -

6. Troubleshooting ..............................................................................................................................................- 24 -

6.1 Troubleshooting for Remote Control ....................................................................................................- 24 -

6.2 Troubleshooting for Function Key........................................................................................................- 25 -

6.3 TV won’t Power On..............................................................................................................................- 26 -

6.4 Troubleshooting for Audio....................................................................................................................- 27 -

6.5 Troubleshooting for TV/VGA/HDMI input..........................................................................................- 28 -

6.6 Troubleshooting for YPbPr input..........................................................................................................- 29 -

6.7 Troubleshooting for Video/S-Video input.............................................................................................- 30 -

7. Explode View..................................................................................................................................................- 31 -

8. Schematic circuit diagram ..............................................................................................................................- 31 -