3. TROUBLE SHOOTING
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START
No
No
Not good
OK?
Check next step
Check TP1/2/3/4
Signal is over 23dBm?
Check TP5/6
Signal is over 3.5dBm
Check Transceiver physical damage
or soldering condition
Check component above RF signal path
Check U1000 Soldering
Replace U2002
Yes
Yes
C1001
33p
C1002
33p
L1002
0.5p
TX_OUT_B1_B2
TP5