3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
1000
FB6100
1u
C6107
C6108
1u
GND4
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
U6100
WCD9302
40
55
45
50
49
1
2
11
7
12
6
13
3
18
+2V1_VSW_S4
C610
4
2.2
u
+5V0_SPK_BOOST
C6109
4.7u
4.7u
C6105
C6121
DNI
C6122
DNI
SPK_N
SPK_P
Dedicate a ground island for the buck/NCP ground connections.
Make star route to BUCK_VOUT1 and 2 from C6104.
2. We recommend MLCC capacitor in this case.
MC-C06162-1 : 1. Don't connect Positive of Tantal, TVS diode to Negative voltage if use
(DGMS Guide)
4. Trouble Shooting
TP5
(FB6100)
TP6
(C6109)
LGE Internal Use Only
103
TP6
(C6109)
TP5
(FB6100)
TP1
(L6611)
TP1
(L6611)