Procedure 3 Connector Check And Replacement Check - Toshiba PORTEGE M400 Maintenance Manual

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2.16 Tablet Pen Troubleshooting

Connector Check and Replacement Check

The Digitizer and LCD are connected to the System board as below.

The Digitizer may be disconnected. Make sure the Digitizer is connected to the

CN9540 on the System board. If there is still an error, go to Check 2.

The Digitizer or the System board may be defective. Replace it with a new one

following the steps in Chapter 4. Then check the tablet pen is working properly.

PORTEGE M400 Maintenance Manual (960-541)

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2 Troubleshooting

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