Model GC318
L3 Service Manual
14
）
Speaker
（
speaker not work
（
Speaker circuit
））
First check setting
，
if setting is vibration mode
，
reset it. If setting is ok, check the soldering of the speaker. If
connect well, change a speaker and try. If still not work, check spk circuit and related components
（
G/C
together G side CPU MT6260 inside PA
，
check B705/B706
，
R573/R572 soldering
）。
Final check main chipset
soldering
，
change or re-soldering
