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4. TROUBLE SHOOTING
4.12. Ear-Mic Jack Detection Trouble Shooting
Re-solder TP1 of CN300
NO
YES
Disassemble the rear case of phone.
Connect the Ear-Mic Headset to the
Ear-Mic Socket of phone.
Check the soldering status
Of CN300. Is it O.K?
The main_PCB has a
Problem,
Change the main_PCB.
START
CN300
TP1
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