LG LG-D618 - Settings; Display and Screen Lock Settings

3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
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C6926
1n
1n
C6927
0
FB6923
1000FB6100
C6100 0.1u
R6620
0
0
R6619
R6924
0
TP6100
TP6101
R6108
0
C6104 2.2u
C6105 4.7u
4.7uC6109
DNI R6107
+VPWR
U6100
WCD9302
40
55
45
50
49
1
2
11
7
12
6
13
3
21
16
27
19
31
26
18
28
35
32
36
17
HPH_REF
LINE_OUT1
LINE_OUT2
VDD_VBAT
GND3
GND4
EAROP
EAROM
VDD_DIG
VDD_TX_RX
HPH_L
HPH_R
VDD_BUCK
BUCK_VSW
BUCK_VOUT1
BUCK_VOUT2
GND_BUCK
-NCP_VNEG
NCP_C1P
-NCP_C1M
SPKR_DRVP
SPKR_DRVM
VDD_SPKDRV
GND_SPKDRV_1
GND_SPKDRV_2
VREG_L6_1V8
+5V0_SPK_BOOST
1uC6107
VREG_L4_1V2
C6108
1u
C6101 0.1u C6102 0.1u
+VPWR
VREG_S4_2P1
HPH_REF
HPH_REF
LINE_OUT_IRRC
SPK_P
SPK_N
RCV_P
RCV_N
HPH_L_OUT
HPH_R_OUT
Star route from C6104 to pin6 and pin12.
[ Layout ]
LINE_OUT2
LINE_OUT1
Dedicate a ground island for the buck/NCP ground connections.
TP1(FB6100)
TP2(R6108)
TP2(R6108)
TP1(FB6100)