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Flow Chart of Troubleshooting
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9-9
9-5. Earphone Part
Earphone is not work
Yes
Change the Headset
No
Is the Headset O.K?
Yes
Check the connection of
CN705.
No
Connect CN705 with
Upper SPK module connector.
Yes
Is there any signals at
L507, L508?
No
Resolder U501 or Replace U501
Yes
Resolder U500 or Replace U500
No
Is there any signals at
R509, R510?
Yes
Replace the Upper SPK module.
No
Is EarPhone Working?
Yes
END