Samsung sm-r750, Service Manual

Page: 50 / 71

Level 3 Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-21
LCD_VDD_1.8V
9
N
C
3
1
3
2
N
C
3
3
N
C
N
C
3
4
3
3
30
30
4
4
5
5
6
6
7
7
8
8
9
21
21
22
22
23
23
24
24
25
25
26
26
27
27 28
28
29
29
14
15
15 16
16
17
17 18
18
19
19
2
2
20
20
HDC500
1
1
10
10
11
11 12
12
13
13 14
TSP_VDD_1.8V
TSP_AVDD_3.3V
LCD_VDD_3.3V
ELVDD_4.6V
TP500
AVDD_7.0V_UB
TP501
VGH_5V
C506 C509
ELVSS_-4.0V
R500
C507 C508
C505
TSP_VDD_1.8V
TSP_nINT
DISP_RST ERR_FG
TSP_I2C_SDA
TSP_I2C_SCL
DISP_VSYNC DISP_CLK_P
EL_ON OLED_ID
DISP_CLK_N
DISP_D0_P
EN_AVDD
DISP_D0_N
GND
2
VDD
4
VOUT 1
U509
CE
3
5
G
N
D
C540 C541
TSP_VDD_1.8V V_BATT
TSP_EN
TSP_VDD_1.8V
5%
R305
2.2K
0402
2.2K
0402
5%
R304
TSP_I2C_SDA
TSP_I2C_SCL
L24
L14
L13
L15
LVS
[ 600mA ]
L25
[ 150mA ]
L12 L23 L14 L22
[ 1200mA ]
L17
L19
L27
L26
L8
L21
L3
L27
[ 150mA ]
[ 5mA ]
L7 L8
L13
[ 600mA ]
[ 300mA ]
L18
L10 L20
[ 600mA ]
[ 50mA ]
[ 600mA ]
L21
[ 300mA ]
L10
L5
L22
L2
[ 50mA ]
[ 600mA ]
L16
L28
[ 300mA ]
L11
[ 1500mA, Default On ]
L2
L26
[ 1200mA, Default On ]
[ 50mA ]
[ 300mA ]
[ 1200mA ]
L1
[ 600mA ]
L7
[ 50mA ]
L4
L16
[ 150mA ]
[ 150mA ]
[ 3000mA, Default On ]
L12
LVS
[ 1200mA, Default On ]
L25
[ 2000mA, Default On ]
L5 L19
[ 300mA ]
L15
[ 1200mA ]
L20
L1
L9
L17
[ 50mA ]
L4
L23
Note : Route together
[ 50mA ]
L11 [ 5mA ]
L24
[ 600mA ]
L6
L3 L18 L9 L6
VREG_L23_DUAL
V_BATT
R412
VDD_S4
V_BATT
VDD_GR4
C435
C409
C415
VREG_L25_2P075
R404
R406
VREG_L2_1P2
VDD_L25
C419 C422
VDD_S1
C411
VREG_L15_3P3
C444
VREG_L22_DUAL
C418
VDD_GR7
L401
V_BATT
VDD_GR3
VREG_L1_1P225
L400
VDD_GR5
VREG_S2_1P05
VREG_L6_1P8 VREG_L20_3P075
C478
VREG_LVS1_1P8
C443
VREG_L16_3P3
VREG_L21_2P75
C434 C432
C414
C480
C479
VREG_L14_2P75
VREG_L3_1P15
VREG_S1_1P15
C430
R403
VREG_L12_1P8
VDD_S2
C413
VREG_L28_2P085
C420 C427
C442
C410
C436
VREG_L10_1P8
VDD_GP
C437
BAT400
C412
VDD_GR6
VREG_S4_2P1
C459
VREG_L4_1P2
C433 C429 C431
V_BATT
VREG_L9_2P05
VREG_L24_1P3
L403
VREG_S3_1P35
C441
VREG_L27_1P8
C440
C426
TR400
3 D
1
G
2 S
R436 C428
VREG_L8_1P8
U
S
B
_
ID
_
IN
9
8
G
N
D
9
9
G
N
D
VREG_L19_3P3
V
D
D
_
S
1
9
0
N
C
9
1
N
C
9
2
G
N
D
9
3
V
D
D
_
S
4
9
4
V
O
U
T
_
L
V
S
1
95
VREG_S4
9
6
B
M
S
_
C
S
N
9
7
N
C
8
3
D
N
C
8
4
D
N
C
85
CBL_PWR_N
8
6
G
N
D
8
7
G
N
D
88
SLEEP_CLK1
8
9
N
C
9
G
N
D
7
6
V
C
O
IN
77
PON_RESET_N
7
8
G
N
D
7
9
V
D
D
_
G
P
8
VSW_S1
8
0
D
N
C
81
VSW_S4
8
2
G
N
D
_
S
2
6
9
G
N
D
_
S
4
7
V
D
D
_
G
R
6
70
VREG_L25
7
1
V
R
E
G
L
1
2
72
AMUX_1
73
AMUX_2
7
4
G
N
D
7
5
V
D
D
_
G
R
5
6
1
V
R
E
F
_
L
P
D
D
R
6
2
G
N
D
_
X
O
_
B
U
F
F
6
3
G
N
D
_
X
O
A
D
C
6
4
G
N
D
6
5
G
N
D
_
D
R
V
6
6
V
IB
_
D
R
V
_
N
6
7
G
N
D
_
S
2
6
8
5
4
N
C
55
VREG_L20
56
VREG_S2
5
7
G
N
D
_
S
2
58
VSW_S2
5
9
V
D
D
_
G
R
5
6
XTAL_19M_OUT
6
0
4
7
V
D
D
_
S
3
4
8
V
D
D
_
L
2
5
49
VREG_L14
5
XTAL_19M_IN
50
VREG_L28
51
VREG_L23
52
VREG_L22
53
VREG_L21
RF_CLK2
4
V
D
D
_
G
R
1
4
0
N
C
4
1
V
D
D
_
G
R
7
42
BB_CLK2
43
VREG_L15
44
BB_CLK1_EN
45
VSW_S2
46
VSW_S2
BB_CLK1
32
VREG_L18
3
3
G
N
D
_
S
1
3
4
V
D
D
_
S
2
35
VSW_S3
36
VREG_S3
37
VREG_L4
38
VREG_L10
39
VREG_L26
25
VREG_L5
2
6
N
C
2
7
V
D
D
_
G
R
4
2
8
N
C
29
VREG_L19
3
VREG_L2
30
VREG_L17
31
U
S
B
_
IN
18
VREG_L17
19
VREG_L16
2
VREG_L3
20
VREG_S1
21
VSW_S1
2
2
G
N
D
_
S
1
2
3
G
N
D
_
S
3
24
G
N
D
_
C
H
G
_
H
P 166
VSW_CHG
1
6
7
V
D
R
V
_
P
168
LED_CHG
1
6
9
V
R
E
F
_
B
A
T
_
T
H
M
1
7
G
N
D
_
X
O
1
7
0
V
P
R
E
_
B
Y
P
1
7
1
O
V
P
_
C
P
_
D
R
V
1
7
2
MPP_3
159
MPP_1
16
VREG_L11
160
GPIO_6
1
6
1
U
S
B
_
IN
1
6
2
O
V
P
_
O
U
T
1
6
3
V
B
A
T
1
6
4
V
P
H
_
P
W
R
1
6
5
G
N
D
_
W
L
E
D
1
5
1
V
B
A
T
1
5
2
V
P
H
_
P
W
R
1
5
3
G
N
D
_
C
H
G
_
H
P
154
VSW_CHG
1
5
5
V
C
H
G
1
5
6
V
B
A
T
_
S
N
S
157
MPP_4
158
V
C
H
G
144
MPP_6
1
4
5
N
C
146
MPP_2
1
4
7
N
C
148
GPIO_5
149
GPIO_3
15
VREG_L1
1
5
0
GPIO_2
137
OVP_WLED
138
VSW_WLED
1
3
9
V
B
A
T
14
VREG_L13
1
4
0
B
A
T
F
E
T
_
C
P
_
D
R
V
141
MPP_8
1
4
2
G
N
D
_
C
H
G
1
4
3
REF_BYP
13
RF_CLK1
130
MPP_7
1
3
1
B
M
S
_
B
Y
P
132
MPP_5
1
3
3
N
C
134
GPIO_7
135
GPIO_4
136
A
V
D
D
_
B
Y
P
122
GPIO_8
123
SPMI_DATA
124
GPIO_1
125
WLED_1
1
2
6
V
D
D
_
W
L
E
D
127
VREG_L27
128
VREG_L9
129
G
N
D
_
W
L
E
D
I
1
1
5
V
D
D
_
G
R
3
116
VREG_L7
1
1
7
G
N
D
_
R
E
F
118
VREG_L8
119
OPT_1
12
VREG_L24
120
XO_THERM
1
2
1
B
M
S
_
C
S
P
108
OPT_2
1
0
9
G
N
D
1
1
V
D
D
_
G
R
2
1
1
0
G
N
D
_
O
V
P
1
1
1
G
N
D
112
SPMI_CLK
1
1
3
G
N
D
_
W
L
E
D
I
1
1
4
V
D
D
_
S
1
100
PS_HOLD
101
RESIN_IN
102
KYPD_PWR_N
1
0
3
V
L
E
D
_
F
L
A
S
H
1
0
4
V
D
D
_
F
L
A
S
H
105
VREG_L6
106
VREG_L6
1
0
7
U400
1
V
D
D
_
G
R
2
1
0
VREG_L17_3P3
C417
C425
R427
C416
VDD_GR1
C439 C438
VDD_S3
C421
L402
R405
VDD_GR2
C424
TP_PMU_GPIO400
C423
VREG_L7_1P9
MIC_EN
S
2
_
P
G
N
D
V_BATTERY_SENSE
VBUS_DET
C
H
G
_
P
G
N
D
PA_THERM0_MPP6
AP_THERM
ON_SW_N
ON_SW_N
BBCLK1_MSM_EN
S2_PGND
VREF_LPDDR2
GND_XOADC
S4_PGND
MSM_RESIN_N
JIG_ON_N
SLEEP_CLK
19.2M_IN
VREF_MSM_PX_MPP1
MSM_PS_HOLD
PM_OPT_1
PM_OPT_2
G
N
D
_
R
E
F
19.2M_OUT
CHG_PGND
S
1
_
P
G
N
D
S
3
_
P
G
N
D
S
4
_
P
G
N
D
PMIC_SPMI_CLK
GND_REF
XO_THERM
PMIC_SPMI_DATA
PMIC_AUDIO_REF_CLK
RFCLK1_19.2M
PA_THERM0_MPP5
TX_GTR_THRESH
BATT_UIM_ALARM
CHG_PGND
VREF_LDO_MPP3
S1_PGND
S3_PGND
BBCLK1_MSM