LG LG-E960 - Page 159

4. TROUBLE SHOOTING
- 159 -
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Only for training and service purposes
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4.21.1 Checking VBATT
Settings NFC mode on and check the supplying voltage of VBATT(Pin26)
L9003
C9039
330n
330n
C9029
6
8
9
5
7
NC2
CLK
NC3
VPS
RST
1uC9031 10nC9034
1nC9035
U9002
8
7
10
11
29
28
26 13
1 2 5 6 9
21 23 24 27
VDDA_CAP
VDDC_CAP
VDD_VCO VDD_XTAL VDD_EEPROM_IN VDD_ADC
VDDSWP_OUT1
VDDSWP_OUT0
VDDSWP_IN VDDIO
VBAT
XTAL_XON
TX2
TX1
CLK_REQ
HOST_WAKE
NFC_WAKE
TM2
C9030 4.7u
C9033
4.7u
VREG_S4_1P8
R9007
0
NFC_VPWR
100n
C9026
C9028
100n
0R9009
+3V0_USIM_NFC
4.7KR9010
VREG_MODEM_L6_2P85
+VPWR
NFC_VPWR
DNI
R9012
1nC9032
NFC_WAKE_BCM
CLK_REQ_BCM
Rev.D
Rev.D
Rev.B
TP1
TP1