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Contents
Contents ....................................................................................................................................................................... - 3 -
Service Manual ........................................................................................................................................................... - 4 -
1. Precautions and notices ..................................................................................................................................... - 4 -
1.1 Warning ................................................................................................................................................... - 5 -
1.2 Notes ....................................................................................................................................................... - 8 -
2. TV boards: ...................................................................................................................................................... - 10 -
3. Factory/Service OSD Menu and Adjustment .................................................................................................. - 13 -
3.1 How to get into the Factory OSD Menu ............................................................................................... - 13 -
3.2 Factory OSD Menu ............................................................................................................................... - 14 -
4. Software Upgrading ........................................................................................................................................ - 14 -
4.1 USB Upgrading with Remote control, when TV in User status. .......................................................... - 14 -
4.2 USB main software upgrading with SecureCRT(forced upgrading) .................................................... - 15 -
5. Trouble shooting ............................................................................................................................................. - 18 -
5.1 Troubleshooting for Remote Control .................................................................................................... - 19 -
5.2 Troubleshooting for Function Key ........................................................................................................ - 20 -
5.3 TV won’t Power On .............................................................................................................................. - 21 -
5.4 Troubleshooting for Audio .................................................................................................................... - 22 -
5.5 Troubleshooting for HDMI input .......................................................................................................... - 23 -
5.6 Troubleshooting for Video input ........................................................................................................... - 24 -
6. Signals Block Diagram & power assign & schematic diagram : .................................................................... - 24 -