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3
VDD_BUCK
U6100
13
BUCK_VSW
WCD9302
6
BUCK_VOUT1
12
BUCK_VOUT2
7
GND_BUCK
11
-NCP_VNEG
2
NCP_C1P
1
-NCP_C1M
49
SPKR_DRVP
50
SPKR_DRVM
45
VDD_SPKDRV
55
GND_SPKDRV_1
40
GND_SPKDRV_2
18
GND4
LGE Internal Use Only
LGE Internal Use Only
Make star route to BUCK_VOUT1 and 2 from C6104.
C6107
1u
C6108
(DGMS Guide)
MC-C06162-1 : 1. Don't connect Positive of Tantal, TVS diode to Negative voltage if use
1u
TP6
TP6
(C6109)
(C6109)
4. Trouble Shooting
Dedicate a ground island for the buck/NCP ground connections.
2. We recommend MLCC capacitor in this case.
SPK_P
SPK_N
- 111 -
3. TROUBLE SHOOTING
+2V1_VSW_S4
FB6100
1000
TP5
(FB6100)
TP5
(FB6100)
TP6
(C6109)
103
(FB6100)
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+5V0_SPK_BOOST
TP5
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