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Contents
Contents ....................................................................................................................................................................... - 3 -
Service Manual ........................................................................................................................................................... - 4 -
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 -
6. Signals Block Diagram & power assign & schematic diagram ...................................................................... - 48 -