4. TROUBLE SHOOTING
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Check of BT Ant condition
Check Bias Voltage
VBAT at TP3, TP4
Replace U101
No
A condition is good?
Give the additory solder in TP1,TP2
No
Yes
BT will
work properly
Check condition of
matching components
(TP1, TP2)
A condition is good?
Replace ANT100
No
Yes
Yes