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2 Troubleshooting Procedures 2.7 Keyboard and Touch pad Troubleshooting
Check 4 The touch pad or the touch pad cable may be damaged. Replace it with a new one
following the instructions in Chapter 4, Replacement Procedures. If the problem
still exists, perform Check 7.
Check 5 Make sure the cable of the Sensor/Switch board is firmly connected to PJ1000 on
the system board, and the sensor/switch board cable is connected to PJ3200 on the
sensor/switch board.
Sensor/Switch
Board
PJ3200
If the connection is loose, reconnect firmly and repeat Procedure 1. If there is still
an error, go to Check 6.
Check 6 The Sensor/Switch board may be damaged. Replace it with a new one following
the instructions in Chapter 4, Replacement Procedures. If there is still an error, go
to Check 7.
Check 7 The system board may be damaged. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures.
2-40 TECRA M1 Maintenance Manual (960-436)