Huawei MediaPad 7 Lite S7-931w Maintenance Manual page 48

Check whether the touchscreen of MediaPad 7 Lite is normal. If the touchscreen is normal,
the 5 V power supply of the speaker power amplifier (PA) is normal. In this case, rectify the
fault according to the following flowchart.
2012-10-08
MediaPad 7 Lite Maintenance Manual
Speaker failure
Check
whether the U1700 is
short circuited.
No
Check
whether the resistance of the SKP
monomer is 8 ohm.
Yes
Replace the SPK FPC.
Huawei Confidential
Replace the
Yes
U1700.
Replace the SPK
No
monomer.
INTERNAL
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