Lenovo A516 Panduan Servis - Halaman 16

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Repair Manual of Lenovo A516 Mobile Phone

3.3.2

No ring

Replace Speaker and recheck whether it is

normal?

Check to see whether the SPK contact

shrapnel is normal?

Replace main FPC and check whether it is OK .

Check whether main FPC connector is welded

well

Use earphone to test whether there is sound; if

there is sound from earphone, there is audio

signal to input. Check whether U2 module

device is of cold solder joint; recheck whether it

is ok after re-welding,

Check to see whether the main chip U1301 is

damaged. Replace it if damaged.

No ring