Troubleshooting; First Checklist For Troubleshooting - Samsung 2333HD 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 Main Board.
3. Check the following circuits.
• No raster appears: Function PBA, Main PBA, I/P PBA
• 55V develop but no screen: Main PBA
• 5V does not develop: I/P PBA
4. Check the voltage in and out between the IP↔ Main Board, between the IP↔ Panel, and between the Main LVDS
Boards.
4. Troubleshooting
4-1