Samsung SPH-A900 Service Manual page 49

7-5 Bluetooth checking
Insert Power
Enter Test Mode
(4,7, £ ª 8,6,9,#,1,2,3,5)
BT RF On (001 ¡ æ 027)
YES
Sleep Xtal
(R135) OK?
YES
Check
2.6DV_BT(R116)
OK?
YES
BT module
(pin 28) OK?
YES
END
R eplace Sleep Xtal OSC101
NO
Check PMIC
NO
R eplace U104
NO
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U200
7-21
Flow Chart of Troubleshooting