Speaker Noumenon Bad; Speaker Access - Huawei YU220 Service Manual

For L503 inductance，if close to PAD of PMIC over the ground short circuit,
it can judge PMIC bad。
Other power also adopt to this similar way, to find short circuit hot
location, find relevant internet, and find short circuit location.
No Ring.
1.8
Speaker is bad.
1.8.1
Can change another speaker to check, speaker location

Speaker access

1.8.2
2013-10-18
YU220 service manualV1.0
Huawei secrets, no dispersion without permission
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