Lenovo VIBE X2 Servicehandleiding - Pagina 24

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1. Main Board Top View
2. Charging Anomaly

3.13 Speaker tone distortion

Replace the speaker, and then

does the phone work normal?

Whether the speaker spring is

normal?

Replace the Main FPC, and then

does the phone work normal?

Checks the SMT quality of

BEAD on the Sub board and.

Whether these parts are SMT

good? The phone is work good

after heating these parts?

Replace the codec IC

in sub board: U1003

Speaker

tone

distortion

Replace the

Main FPC.