LG -D100F Service Manual page 138

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< 4- MT6323_POWER >
Refer to MT6323 design
notice for Zener selection
500mW -Between IC and IO port
Add Zenar Diode
Place on the path from VBAT to IC
(Battery connector or test point
or IO connector)
+1V8_MTK_VIO
LGE Internal Use Only
Rev_0.1
<4-1-7-2_MT6323_POWER>
+2V8_MTK_VA
R4131
DNI
ABB_GND
1
2
30mil
VBAT
30mil
20mil
20mil
20mil
20mil
Place input cap. as close MT6323
2
as possible and priority
as VPROC>VPA>VSYS
1
Note 1
Refer to MT6323 design notice for Buck GND layout rule.
Note 1
+2V2_MTK_AVDD
Cap closed to MT6323.
REV.0.3
AVDD28_ABB
ISINK0
E9
J2
C9
D3
AVDD28_AUXADC
ISINK1
ISINK2
E10
GND_ABB
ISINK3
C10
H2
F13
VBAT_VPROC_1
VBAT_VPROC_2
VPROC_1
C14
F14
VBAT_VPROC_3
VPROC_2
D14
G13
DNI_EDSY0019601
E14
A13
VBAT_VPA
VPROC_3
ZD4130
2
1
VBAT_VSYS
VPROC_FB
B12
H13
C12
P8
VBAT_LDOS3_1
GND_VPROC_FB
P6
VBAT_LDOS3_2
VBAT_LDOS2
VPA_1
A14
P5
B14
C4134
DNI
P2
VBAT_LDOS1
VPA_2
ZD4132
DNI_EDSY0019601
VPA_FB
D12
GND_VSYS
2
G11
E13
GND_VPA
VSYS
H14
GND_VPROC_1
1
E11
GND_VPROC_2
F11
M3
92
92
F10
GND_VPROC_3
VA
78
78
VCN28
N3
L4
J14
AVDD22_BUCK_1
VTCXO
M14
AVDD22_BUCK_2
VCAMA
P3
U4100
M6
A8
DVDD18_DIG
VCN33
A5
DVDD18_IO
AVDD33_RTC
C3
MT6323
VM
J13
B10
GND_ISINK
VRF18
H11
VIO18
L12
GND_LDO_1
VIO28
M4
K6
J12
K8
GND_LDO_2
VCN18
F5
GND_LDO_3
VCAMD
K14
GND_LDO_4
VCAM_IO
L13
F6
F7
GND_LDO_5
F8
GND_LDO_6
VEMC_3V3
P7
GND_LDO_7
VMC
L6
92
92
F9
P4
G5
GND_LDO_8
VMCH
G6
GND_LDO_9
VUSB
N6
GND_LDO_10
VSIM1
P9
G7
GND_LDO_11
VSIM2
N9
G8
G9
GND_LDO_12
VGP1
L8
GND_LDO_13
VIBR
M7
J6
GND_LDO_14
VGP2
N8
J7
L14
J8
GND_LDO_15
VGP3
J9
GND_LDO_16
VCAM_AF
N7
GND_LDO_17
J10
P14
H5
GND_LDO_18
VREF
H6
GND_LDO_19
GND_VREF
N14
GND_LDO_20
H7
Close to MT6323
H8
GND_LDO_21
H9
GND_LDO_22
GND_LDO_23
H10
73
73
149
149
Dedicate VSS ball, must return to cap then to main GND:
1. GND_VREF(N14) => Cap
- 138 -
Refer to MT6323 design notice
0.68uH Rate current of the inductor should be larger than 2.5A
2.2uH Rate current of the inductor should be larger than 1.5A
L4130
680n
+1V15_MTK_PROC
VBAT
VPROC_FB
GND_VPROC_FB
L4131
2.2u
+3V4_MTK_VPA
C4135
2.2u
Near-end cap
L4132
680n
+2V2_MTK_AVDD
+2V8_MTK_VA
+2V8_MTK_VCN
+2V8_MTK_VTCXO
C4140
1u
+2V8_MAIN_CAM_AVDD
+3V3_MTK_VCN
Refer to MT6323 design notice
C4145
0.1u
C4145 must and be close to U4100
+1V2_MTK_LPDDR2
R4130
+1V825_MTK_VRF
+1V8_MTK_VIO
+2V8_MTK_VIO
+1V8_MTK_VCN
+1V8_MAIN_CAM_DVDD
Note 2
+1V8_MAIN_CAM_IOVDD
+3V3_MTK_eMMC
+3V3_MTK_VMC
+3V3_SD_VCC
+3V3_MTK_VUSB
Note 2
+3V0_MTK_USIM1
Only 150mA from VCAMD
+3V0_MTK_USIM2
Please check your CAM module DVDD current
+1V8_LCD_VIO
+3V0_MTK_VIBR
external LDO is required for DVDD current > 150mA
+3V0_TOUCH_VDD
+2V8_LCD_VCI
Copyright © 2014 LG Electronics. Inc. All right reserved.
6. CIRCUIT DIAGRAM
+2V8_MTK_RTC
Refer to MT6323 design notice
R4130, C4149 is changed (12/27)
1.5K
C4146
47u
Only for training and service purposes

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