LG LG-H815 - NFC Part

Copyright ⓒ 2015 LG Electronics. Inc. All right
reserved. Only training and service purposes
LGE Internal Use Only
3. TROUBLE SHOOTING
3.10 NFC Part
Image
Checking Flow
USIM read ?
START
Signal of C5206(TP1)
is 27.12MHZ ?
NFC ANT. In Battery
Cover is normal ?
ANT Contacts in CN9600 are normal ?
YES
NO
NO
U1500
BOTTOM
TP1
C5219(TP2) Voltage is +1.8V ?
Replace Main Board
Check or Replace
X5200
Check or Replace
U5200
Check or Replace
NFC ANT
in Battery Cover
Check USIM,
Check or Replace Main
PCB
Check or Replace CN9600
CN9600: Appsport including
two Ant contacts
U5200: NFC Chipset
X5200 : XO
U5200
PN547
NFC
Ant2
Contact
NFC
Ant1
contact
TP1
TP2
YES
YES
YES
YES
NO
NO
NO
CN9600
X520
0
37
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