4. TROUBLE SHOOTING
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4.7.1 Checking Crystal Circuit
Enter test mode *#*#880#*#* -> NFC Test -> Set Test Environment ->
Generate Contiunous Emission -> Check pop up ‘Test success : CE Test Start
Yes
TP1 (27.12 MHz)OK?
Replace X1201
No
Crystal is OK.
See next page to check TX
TP1 Pin:
27.12MHz
Figure 4.2.1
Figure 4.2.2
Figure 4.2.3
10p
C15034
10p
C15033
C15029
1u
27.12MHZ
X15000
XRCGB27M120F3M10R0
4
2
3
1
IN/OUT1
IN/OUT2
FLOAT1
FLOAT2
TP1
TP1