LG LG-D618 - Settings; Sound and Incoming Call Settings

3. TROUBLE SHOOTING
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3.9 Audio Trouble
3.9.1 Speaker troubleshooting
Speaker path as below :
MSM8226 -> WCD9302 SPKR_DRVP / SPRK_DRVN -> Speaker
Refer to 4.9.5 Ear-MIC troubleshooting
Change Rear Cover Ass’y
Fail on TP1 -> replace U6100
Fail on TP2 -> replace R6108
Replace L6700/L6701
Replace component U2100
or main board
Replace component U6100
Replace component U4940
Speaker Sound can hear?
Check Main Board
TP1(BUCK_VSW)
TP2(VDD_SPKDRV)
After power on, Headphone icon
display on Upper right LCD ?
Check TP3/TP4
Headphone path works
well?
No
No
No No No
Yes Yes
Yes
Yes
Yes
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