LG -H815 Service Manual page 84

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LGE Internal Use Only
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13 12 11 10
< 4-7-3-4_Wireless_Charger_IDTP9025A >
50V
C4700 10n
C4701 0.47u 50V
C4702 DNI
C1 22n 50V
1mm C4704 100n 50V
WIRELESS_AC1
C4705 100n
50V
C4710 100n 50V
1mm
WIRELESS_AC2
50V
C4711 22n
C4712 0.47u 50V
C4713 10n 50V
TP4701
WLC_OFF
WLC_FULL_CHG
12/2 VZE 0ohm PAD Delete
2mm
+VPWR
C4902
10u
BOOST_BYP_BYP
EN BYP_N VSEL Vout
0 X X Boost bypass disabled
1 1 0 For Vin < 3.3V, Vout = 3.3V (Boost mode)
For Vin > = 3.3V, Vout = Vin(bypass mode)
1 1 1 For Vin < 3.5V, Vout = 3.5V (Boost mode)
For Vin > = 3.5V, Vout = Vin (bypass mode)
1 0 X Vout = Vin (forced bypass mode)
13 12 11 10
9 8 7
8/11 For PMA (15ohm, 1/10W)
R4710 DNI
R4711 DNI
25V 25V 25V
0.25mm 0.5mm
E2 B1
BST1 VRECT_1
C4749 C4751 C4752 C4753
B2
VRECT_2
0.1u 10u 10u 10u
0.5mm C5
CLAMP1_1
C6
CLMAP1_2
0.25mm D4
ACM1
A2 1mm
OUT_1
1mm C1 A3
AC1_1 OUT_2
C2
AC1_2
50V
C4709
1.8n B3
RLIM
D5
AC2_1
1mm D6 F6
AC2_2 FOD1
U4750
0.25mm
E5 C4
ACM2 IDTP9025A-3W FOD2
A5 B4
CLAMP2_1 TS
0.5mm A6
CLMAP2_2
F3
VDD
0.25mm E1
BST2
E4
SCL
A4 F5
EN_B SDA
A1 F2
CHG_END STAT_B
E3
NC1
D3
NC2
F1
NC3
C3
NC4
C4708
DNI
TEST for PMA (4.7uF)
25V
Bypass booster FAN48623
1.8mm
A3 B3
VIN1 VOUT1
A4 B4
REV.B
VIN2 VOUT2
L4900
C3
SW1
470n C4
U4900
SW2
FAN48623UC33X B2
NC1
0.05mm C2
NC2
R4905 B1 D1
+VPWR VSEL AGND
A1 D2
10K
EN PGND1
C1 D3
BYP PGND2
A2 D4
PG PGND3
9 8 7
84
6 5 4
Rev_0.5
TEST for PMA (10uF)
Rev.A Change
C4754
DNI
R4712
WLC_OUT
0
25V 25V
2108609-5 ANT4701
C4706 C4707
FEED
1u 0.1u
2108609-5 ANT4702
FEED
Rev.C Change
Note2
R4700 0
COMMON_I2C_SCL
R4701 0
COMMON_I2C_SDA
WLC_ACTIVE_N
Note2
For FOD Tunning.
Can Remove 0ohm after FOD value fixed
Note1
Note1
R4755 Value
Ilim = 45000/R lim
R Lim = 36K Current Limit MAX 1.25A
REV.B
+VPWR_BOOST_BYPASS_RF
6 5 4
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WIRELESS_AC2
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LG Electronics
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TITLE
H815
SIZE REV
DWG NO
PDM NUMBER
A2 Rev
DRAWN BY SHEET of 25 Date
User Name Drawing Date
4-4 Bypass booster_Wireless_charing
3 2 1