3. TROUBLE SHOOTING
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Replace Main Board
Check USIM,
Check or Replace J13000 (Main PCB)
Check or Replace NFC ANT in Battery Cover
Check or Replace ANT100, ANT101
Check or Replace U6001
Check or Replace U100
ANT100, ANT101 : Ant. Contact (Touch
FPCB)
U100: NFC Chipset
U6001 : PM8941
USIM read ?
NFC ANT. In Battery Cover is normal ?
ANT100, ANT101 ANT Contacts are
normal ?
Signal of C117(TP1)is 19.2MHZ ?
C120(TP2) Voltage is +1.8V ?
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes