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4. TROUBLE SHOOTING
CHECKING FLOW (Speaker)
Check t he volt age level
or Change the Board
LGE Internal Use Only
Start
of U101 = Vbat?
Yes
Check t he Sig nal,
R202,R208
Yes
Check t he Level o f
R210 = HIGH?
Yes
Check t he Sold er
Of Speak er
Yes
Try again
No
Check
The battery
No
Check
U101
No
Check
SPK_EN sig nal
& R210
Re-Asse mble
No
or Re-place
Speaker
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Only for training and service purposes
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