Hisense 70A7120F Bruksanvisning

Hisense Tv 70A7120F

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Sida 1/61

LCD Television

Service Manual

Chassis： MSD6886

Version: V 1.0

Hisense Electric Co.，Ltd.

December 5, 2018

- 2 -

REVISION HISTORY

REVISION HISTORY REVISION HISTORY

Version

Version Version Revise content

Revise content

Revise content Revise content Reviser

Reviser

Reviser Reviser Date

Date

Date Date

V1.00 First issued 2018-12-5

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Contents

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Service Manual

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1. Precautions and notices ..................................................................................................................................... - 4 -

1.1 Warning ................................................................................................................................................... - 5 -

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

2. TV boards: ...................................................................................................................................................... - 10 -

2.1 Main board layout ................................................................................................................................. - 10 -

2.2 TV boards part list ................................................................................................................................ - 16 -

3. Factory/Service OSD Menu and Adjustment .................................................................................................. - 17 -

3.1 Remote Control ..................................................................................................................................... - 17 -

3.2 How to enter the Factory OSD Menu ................................................................................................... - 18 -

3.3 Factory OSD Menu ............................................................................................................................... - 19 -

4. Software Upgrading ........................................................................................................................................ - 25 -

4.1 USB Upgrade ........................................................................................................................................ - 25 -

4.2 Mstar Tool upgrading ............................................................................................................................ - 27 -

5. Trouble shooting ............................................................................................................................................. - 41 -

5.1 Troubleshooting for Remote Control .................................................................................................... - 41 -

5.2 Troubleshooting for Function Key ........................................................................................................ - 42 -

5.3 TV won’t Power On .............................................................................................................................. - 43 -

5.4 Troubleshooting for Audio .................................................................................................................... - 44 -

5.5 Troubleshooting for TV/VGA/HDMI input .......................................................................................... - 45 -

5.6 Troubleshooting for YPbPr input .......................................................................................................... - 46 -

5.7 Troubleshooting for Video input ........................................................................................................... - 47 -