Lenovo S960 Service Manual - Page 13

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LENOVO S960 Cellphone Service Manual

3.3 Ring and Vibration

Use a multi-meter to check whether the

terminal voltage difference between the

two leads of the motor in the Motor

Vibration mode is higher than 2.6V.

Check whether the solder joints of the motor

and the peripheral components are normal.

Re-solder and retry to see whether the

problem is fixed.

Check whether the solder joints of the motor

switching FPC are normal. Re-solder and

retry to see whether the problem is fixed.

Replace the motor switching FPC.

Check whether the problem is fixed.

3.3.2.1 NXP audio power amplifier

3.3.1 It does not vibrate.

It does not

vibrate.

Replace chip U1301.

3.3.2 It does not ring.

Page 13

Replace the

motor.