Touch Panel - Huawei U8860 Maintenance Manual

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U8860

Maintenance Manual

reflected as the variation of the corresponding electric signal of the internal circuit. After

processing the result, you can obtain the rotation direction.

Troubleshooting process:

Failure: Relevant functions of the gyroscope are disabled.

Solution:

The gyroscope functions are

Is the problem solved after the

Are the components on the gyroscope's

power supply circuit and control circuit

damaged or short-circuited?

9.4.15 Touch Panel



Issue 1.0 (2011-11-14)

disabled.

software is loaded?

gyroscope is replaced?

Touch panel's circuit unit is a module fixed inside the touch panel. Its interface circuits

are as follows:

Huawei Proprietary and Confidential

9 Principles and Troubleshooting

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