First Checklist For Troubleshooting - Samsung LW20M22CP Service Manual

4 Troubleshooting

4-1 First Checklist for Troubleshooting

1. Check the various cable connections first.
- Check to see if there is a burnt or damaged cable.
- Check to see if there is a disconnected cable connection or a connection is too loose.
- Check to see if the cables are connected according to the connection diagram.
2. Check the power input to the Video Board.
3. Check the voltage in and out between the SMPS
Drive Board, and between the Logic Boards.
Video Board, between the SMPS
4 Troubleshooting
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