Ring And Vibration; It Does Not Vibrate; It Does Not Ring - Lenovo S960 Service Manual

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.
N
N
N
N
N
Replace chip U1301.

3.3.2 It does not ring.

Page 13
Y
Replace the
motor.
Y
OK
OK
Y
OK