3. TROUBLE SHOOTING
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Only for training and service purposes
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Check TP1/2 Signal exist?
Check Transceiver physical damage
or soldering condition
START
Check next step
Yes
Yes
No
No
Check component above RF Signal path
Replace U1500
C1987
100p
L1213
100p
L1217
DNI
WTR_B1_PRX_HMB4
33p
C1214
C1226
1.5p
L1211
15n
WTR_G900_B8_PRX_LB2
TP2
TP1
LTE B1_W B1_PRXCo-Banding
LTE B8_W B8_GSM900_RX CO-Banding