LG D405 Service Manual page 74

TP3
VREG_L24_1V3
LGE Internal Use Only
C5224
DNI
10V
10V
FB5100
240
C5114
100p
Schematic of WCN3620
VREG_L6_1V8
VREG_L10_1V8
TP1
TP2
6.3V 6.3V
C5100
470n
6.3V C5105
22n
10V
10V
VREG_L16_3V3
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3. TROUBLE SHOOTING
C5101
470n
C5102
4.7u
22
VDD_IO_1P8
24
VDD_XO_1P8
29
VDD_DIG_1P2
56
VDD_FM_RXFE_1P3
57
VDD_FM_RXBB_1P3
52
VDD_FM_PLL_1P3
51
VDD_FM_VCO_1P3
3
VDD_BT_RF_1P3
13
VDD_BT_BB_1P3
16
VDD_BT_PLL_1P3
7
VDD_BT_VCO_1P3
23
VDD_BT_FM_DIG_1P3
60
VDD_WL_BB_1P3
37
VDD_WL_2GPA_1P3
43
VDD_WL_UPC_1P3
9
VDD_WL_2GLNA_1P3
58
VDD_WL_PLL_1P3
36
VDD_WL_LO_1P3
C5112 C5113 11
VDD_WL_2GPA_3P3
10u 100p 4
VDD_BT_DA_3P3
C5116
C5115
100p
10u
R5104
0
TP4
R5105 0
Only for training and service purposes