Asus ZENFONE T500 Manuel d'entretien - Page 24

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Asus ZENFONE T500 Manuel d'entretien
ASUS T500
Solution:
1
Check if the filter (U3301) and its soldering is damaged
2
Check if the filter (FL3101, FL3102) and LNA chip and their soldering are damaged
3
Measure if V VREG_L4_1P8, C3101 voltage is normal
4
Check if 26M crystal oscillator normally works, add soldering or replace it and test again
5
Add soldering or re-solder or replace FL3101,FL3102,U3101, and test again
6
Add soldering or re-solder or replace U2801, and test again
crystal
26M
oscillator
WIFI/BT/FM IC U3302
MB Service Manual
Filter FL3102
LNA U3101
WIFI/BT/GPS Antenna
shrapnel
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