4. TROUBLE SHOOTING
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START
Check of BT Ant condition
A condition is good?
Replace Ant701
No
Yes
BT will work properly
A condition is good?
Yes
Give the additory solder in
TP3~4(C708,C709,R703,C714)
No
Check Bias Voltage
VDD_IO_1V8
Replace
U701
No
Check condition of matching
components TP3~4(C708,C709)
Yes
Yes
Check RTC3K
TP1 (C711)
Replace
U701
No
Yes
Check BT_CLK_6M
TP(C713)
Replace
U701
No