Mcube CubeScan BioCon-500 Service Training page 43

5. Troubleshooting 5. Troubleshooting 5. Troubleshooting 5. Troubleshooting
Initial screen is not display after turn-on
No.
1
Is backlight on in LCD?
Is the FPC connector to the LCD module
2
well connected?
Check the voltage between the Control
3
board ground and 12
Check the voltage between the Control
4
board ground and 13
5
Is the system turned off?
6
The system is not turned off.
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Check point
th
pin of JP5.
th
pin of JP5.
Description
Check if the connector for backlight
of LCD is connected.
Check if the connector is connected
properly.
Check if -23V (+/-1V).
Check if -18V (+/-1V).
Retry after replacing the LCD module.
Test again after replacing the Control
board.
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