Bluetooth - Samsung SGH-E500 Service Manual

Flow Chart of Troubleshooting

9-12. BLUETOOTH

BLUETOOTH does not work
Pin 20, 16 = 1.8V ?
Pin 19 (BT_EN) = "H"
Pin 11 (BT_RST) = "H"
Pin 17(BT_Shutdown) = "H"
Pin 15(BT_Host_Wake) ="L"
Pin 18 = 32 kHz ?
Pin21(RXD2), Pin22(RST2),
Pin23(TXD2),Pin24(CST2) ok?
Yes
MOD1
Yes
MOD1
Yes
MOD1
Yes
MOD1
Yes
MOD1
Yes
Check ANT3
OK?
Yes
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Resolder the L300, C350 or
Check the circuit related to VDD_IO_LOW
No
Check the circuit related BT control signal
No
Check the circuit related BT control signal
No
Check the circuit related clock (U400)
No
Resolder MOD1 or replace UCP200
No
9-24
(UCP200)
(UCP200)
Replace ANT3