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7-5 Bluetooth checking
Insert Power
Enter Test Mode
(4,7, ＊ 8,6,9,#,1,2,3,5)
BT RF On (001 → 027)
YES
Sleep Xtal
(R324) OK?
YES
TCXO_BT
(C341) OK?
YES
BT module
(pin 25) OK?
YES
END
R eplace Sleep Xtal OSC101
NO
2.7DV_BT
NO
YES
R eplace OSC303
2.7DV_BT,
NO
1.8DV_BT(L316)
YES
R eplace U306
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Check
NO
(L319)
Check
NO
7-25
Flow Chart of Troubleshooting
Check PMIC
U203
Check PMIC
U203
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