Samsung n910c, n910h, n900cq Troubleshooting
Level
8.
Block Diagram
8-1.
Repair
3
MIPI_DATA
MIPI_CLK
TX_B1/2/3/5 /8/2 0_PA_OUT
TX_GSMLB/GSMHB_PA _OUT
SSUUBB
MMLLBB__FFEEMM
3XX
DDIIVV_ _RRX XBB22//22XX
DDIIVV_ _RRX XBB33//3
DDIIVV_ _RRX XBB77//77XX
DDIIVV_ _RRX XBB88//88XX
DDIIVV_ _RRX XBB55//55XX
DDIIVV__RRXXBB2200//2200XX
DDIIVV__RRXXBB1177//1177XX
DDIIVV__RRXXBB11__4 4//11__44XX
TRX_B17
MMAAIINN__FFEEMMiidd
FEM_CTRL
RX1_B5_P/ N
RX1_B20 _P/N
DCS_PCS_P/N
RX1_B2_B3_P/N
RX1_EGSM_B8_P/N
TTCCXXOO((2266MMHHzz))
TXD0_P/M
VRAD_REQ
REFCLK _D
RESET_N_RF
REFCLK_REQ
RXD0/1_P/M
DIGRF_ENABLE
MIPI_CLK
MIPI_DATA
PWRCTRL0_IN
CCPP
33CCAA))
BBAANNDD
LLTTEE
RX1_B17 _P/N
RX1_B1_B4_P/N
GGSSMM QQUUAADD
LLTTEE BBAANNDD77
MMMMMMBB PPAAMM
11//22//33//55//88//2200,,
BBAANNDD1177
TX_LB_IN
AMDAC_OUT
LTE_MB/ LB_TX
TX_LB_B17_SEL
2G3G_LB/HB _TX
TX_LB/HB_2G_IN
TX_B7
TX_HB_3 G4G_IN
RX1_B7_P/ N
SUB_ANT_SW_SEL1
EEFFEEFFTT//11))
((RRFF77445500--
TTRRAANNSSCCEEIIVVEERR
((DDBB77445500RRCCBB11TTHH--
OOVVPP
CC--TT))
MMoottoorr
((MMAAXX1144668811EEWW
RGB_G_EN
USB_D_M/P
CP_RXD/ TXD
OVP_EN
V_BUS_D ET
MOTOR_P/N
PMIC_ACOK B
IIFF PPMMI ICC
VIB_PWM
CHG_INTB
UART_TXD
WRSTB_OUT
USB_HS_DP/DM
USB_VBUS_AP_4.9V
FUEL_SDA/SCL_1.8V
FLASH_LED_STROBE/TORCH
3322KKHHZZ__CCPP
TMS_CP
CODEC_CLK32K
PMIC_JIGONB
AAPP PPMMIICC
nPOWER
WWRRSSTTBB__IINN
LDO17_EN
XJDBGSEL
AAPP__PPMMIICC__EENN
PCIE_TX_N/P
AP_PS_HOLD
BBUUCCKK66__DDVVSS//EENN
PCIE_REFCLK_P/ N
AP_PMIC_SCL/SDA
EFUSE
32KHZ_AP
SSMMPPLL__WWAARRNN
WRSTB_ OUT
PCIE_RX_N/P
AP_N_RST _IN
JTAG_TRST_N
AP_PMIC_IRQ/ EN
JTAG_TCK/TDI/TDO/TMS
CP_PMU_RST
LLI_RX_DN/DP
RESET_REQ_N
MEM_LDO_SCL/SDA
PDA/PHONE_ACTIVE
CP2AP_WAKE
HOST_ACTIVE
LLI_TX_DN/DP
CP_DUMP_INT
UART_RXD_CP
RFE_RESET_MAIN
SIM_CLK/IO/ RST
SUSPEND_REQUEST_HSIC
IPC_HOST_RESUME/ WAKEUP
HSIC_STROBE/DATA
CP_ON
AP_DUMP_INT
UART_TXD_CP
AP2CP_STATUS/WAKE
IPC_SLAVE_RESUME/WAKEUP
CCAARRDD
SSIIMM//SSDD
SIM_SLOT
T_FLASH_D[0 :3]
T_FLASH_DETECT
COVER_U ART_RXD
COVER_UART_TXD
T_FLASH_CLK/CMD
GPS_UART_CTS/RTS
GPS_UA RT_TXD/ RXD
TRX_B7
PPAAMM
SSUUBB AANNTT11
SSUUBB AANNTT22
SUB_B7_LNA_EN
SPEECH_PCM_OUTCP
SPEECH_PCM_C LK
SPEECH_PCM_SYNC
SPEECH_PCM_IN_CP
GPS_CLK_26M
GGPPSS
GPS_EN
GSP_INT
DDCCDDCC__EETT
ETDAC_P/ N
DCDC_MONITOR
RR))
AAUUDDIIOO
((WWMM55111100EECCSS//
COEX_CP_TXD/ RXD
BT_PCM_CLK
BT_PCM_SYNC
BT_PCM_OUT/IN
VV22))
BBTT/ /WWI IFFII
((SSWWBB--BB8811--
WLAN_EN
BT_WAKE/EN
BT_HOST_WAKE
MM_I2S_CLK/SYNC/
BBTT__UUAARRTT__RRTTSS//RRXXDD
WLAN_HOS T_WAKE
PCIE_CLKREQ/ RST_L
BT_UART_CTS/TXD
MMAAIINN AANNTT22 HHBB
MMAAIINN AANNTT11
MRX_FWD
MRX_FWD_B7
MAIN_A NT_SW_SEL 1/2 /3
IIFF CCOONNNN
SSUUBB FFPPCCBB
GPS_CLK_26M
CCPP__HHUUBB__S SCCLL//SSDDAA
AMP_INT_R
MICBIAS_EN _AP
MM_I2S_DO/DI, VOL_UP/DOWN
BATT_THERM
CODEC_SPI_SSN
TOUCH_INT
GPS_HUB_EN
CODEC_LDO_EN
CODEC_RESET_N
SSPPKK__AAMMPP__S SDDAA//SSCCLL
CODEC_SPI_MOSI/ MISO/SCK/MOSI/IRQ_N/SCK
AAPP__MMCCUU__IINNTT__11..88VV
HALL_SENSOR_INT
MCU_AP _INT_2_1 .8 V
SSHHUUBB__S SPPII__MMOOSSII//MMIISSOO
LLI_26M_CLK
HHUUBB
SSEENNSSOORR
OK_SW
TS_I2C_SDA
SSHHUUBB__S SPPII__SSSSNN
WACOM_SEN SE
MCU_HOST_REQ
MCU_HOST_WAKE
TOUCH_I2C_SDA/SCL
AAPP
EEPPOOPP))
((UUAAPP660000--11
EEXXYYNNOOSS55443333--
TTRR BBLLOOCCKK DDIIAAGGRRAAMM
IRDA_EN
TSP_ID
LCD_TE
ERR_FG
TSP_INT
PCD_INT
OCTA_ID
MLCD_RST
LCD_1.5V_EN
LCD_CLK_N/P
LCD_D(0:3)_N/P
TS_I2C _SDA/ SCL
OOCCTTAA
OIS_VDD_EN
FROM_SPI_SSN
MAIN_CAM_RST
IRDA_CONTROL
MAIN_CAM_MCLK
MMAAIINN__CCAAMM_ _CCLLKK__PP//NN
VT_CAM_STBY/ NRST
MAIN_CAM_SCL /SDA
MMAAIINN__CCAAMM__DD((00::33))__NN//PP
CCOOMMPP__FFRROOMM__SSPPII__MMOOSSII
CCOOMMPP__FFRROOMM__SSPPII__MMI ISSOO
A8 A8 A8 A
A AA AM MM M
(HHEEAA1100001
( 1((
MAIN CAM
AXE836124AW1)
VVTT__CCAAMM__MMCCLLKK//SSCCLL//SSDDAA
((HHEEAA??
VVTT CCAAMM
LCD_TE
IIRRDDAA__CCLLKK
VT_CAM_CLK_N/ P
VVTT__CCAAMM__DD00//11__NN//pp
44AAWW1 1))
AAXXGG8833000044
COMP_EN
PPEENN__I IRRQQ__1 1..88VV
COMPANION_RSTN
CAM_SENSOR_DET
COMP_FROM_SPI_MISO
CCAAMM
PPAARRTT
PEN_SCL/SDA
MAIN_CAM_MCL K
NFC_I2C_SDA/SCL
COMP_SPI_INT/SSN
COMP_FROM_SPI_SCLK
((UU11000055
0011--LL003300))
SS55CC7733CC11AA
WACOM_LD O_EN
HEALTH_3.3V_EN
CCOOMMPP__FFRROOMM__SSPPII__MMOOSSII
PEN_RESET_N/PDCT_1.8V
PEN_FEW/SCL/SD A_1.8V
NFC_I2C_SDA/SC L
((UU11110000
WW99001122))
WWAACCOOMM
NFC_IRQ
NFC_ANT_1/2
NNFFCC
BATTERY
IRDA_IRQ
CLK_REQ
NNFFCC__MMCCLLKK//EENN//FIRMWARE
((UU440088
IIrrDDAA
SSEENNNN55DDCC))
NFC_SWP
HRM_INT
BTP_IRQ
CRESET_B
G_SENSOR_INT
SENSOR_I2C_SCL /SDA
((IICCMM--
2200662288))
66 AAxxiiccss
BBTTPP__RRSSTT__NN
HRM_LED_EN
BBTTPP__LLDDOO11//22__EENN
T_FLASH_DETE CT/ CLK
BBTTPP__SSPPII__MMOOSSII//MMIISSOO//CCSS__NN
HHRRMM
FFPPSS
SSEENNSSOORR
((BBCCMM44777733))
MMHHL L__RRS STT
OOCCPP_ _FFLLAAGG
MMHHL L__IINNTT
IIRRDDAA__IIRRQQ
WWCCIINNOOKKBB
CCOOV VEERR__IIDD
CRESET_B
HHDDMMII__HHPPDD
FFPPGGAA__RRS STTNN
MMHHL L__FFWW__WWAAKKEE
TT__FFLLAASSHH__CCMMDD
MMHHL L__II22CC__SSCCLL//SSDDAA
MMHHL LCC__II22CC__SSCCLL//SSDDAA
FPGA_I2C_SCL/SDA
HHDD__TTXX00--//00++//11--//11++//22--//22++//CC--//CC++
((SSIIII88662200))
MMHHLL PPAARRTT
UUSSIIMM
8-1
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
PCB Diagrams
8-2.
8-2-1.
Main PCB Top
Level3Repair
8-2
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-2-2.
Bottom
8-3
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-2-3.
Sub PCB Top
8-4
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-2-4.
Sub PCB Bottom
8-5
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Flow Chart of Troubleshooting
8-3.
Equipments
Level3Repair
Oscilloscope
Power Supply
Digital Multimeter
driver, ESD Safe Tweezer
+
8960 &
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Spectrum Analyzer
8-6
Soldering iron
Level3Repair
8-3-1.
Power On
Mobile phone does not power on.
Check the Battery Voltage
it more than
Is
Yes
Power-on the phone and
check the power-on sound
or motor Vibration.
Sound or Vibration is ok
No
Check the PWRO900,
PWRG900 and Power key
soldering crack,
(
FPCB
defected
etc)
,
3.8
C-clip
V?
.
?
No
Yes
Abnormal
If its voltage level is extremely low(under
Charging the battery by TA.
Change the battery.
Change the FRONT-LCD ASSY
Change the
And retry to the power-on operation.
C-Clip
Power-key FPCB
3.0
V),
Yes
Check the U7000(U501) output
Check the Clock OSC600
Is that frequency24Mhz?
check the initial operation
voltage
C525>2V)
(
Yes
Yes
Yes
END
No
If the output voltage is not satisfied with normal
No
condition, Change the U7000.
Each voltage level has
※
Change the OSC600.
Test condition(Oscilloscope setting)
※
us.div(time division)
:20.0
±10%
margin.
8-7
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
PHONE_ON_N
XTAL_24MHZ_IN
XTAL_24MHZ_OUT
Level3Repair
V_BAT
R903
2
2
1
1
PWRO900
4
3
9
C
3
1
9
D
Z
OSC600
T
D
N
O
3
4
6
6
R
H
D
N
4
G
2
G
T
O
1
H
2
1
PWRG900
2
1
3
5
9
C
MEM_LDO_SDA
MEM_LDO_SCL
BOOT_LDO
VPH_PWR
VDD_MLDO_2.0V_AP
4
2
5
C
C606
VCC_1.8V_AP
C607
VMEM_VDDF_2.85V
R508
R509
VMEM_VDD_1.8V
5
2
5
C
6
2
5
C
B5
A3
B4
B2
A5
A4
A2
A1
U501
VBAT
SDA
SCL
EN_BB
EN_LDO
AGND
VINL
VLDO
C4
SW1
D4
SW1
C2
SW2
D2
SW2
C5
VINB
D5
VINB
C1
VOUT
D1
VOUT
B1
FB
C3
GNDB
D3
GNDB
D
N
G
A
3
B
D
N
G
_
B
B
VPH_PWR
L503
C521
3
2
2
2
5
5
C
C
D
N
G
_
B
B
8-8
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-2.
Initial
Initial Failure
Yes
Re-download latest SW on the
mobile phone.
Abnormal
Re Check
Trouble shooting process
Change UCP600
Change PBA
"8-3-1
Power on"
Normal
Abnormal
Abnormal
Check the OSC6000(Crack, open etc.)
Check the U700(Crack etc)
END
8-9
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-3.
No Service
No service
Yes
Check memu setting
Menu→applications→setting→wireless and network
mobile networks→network mode→setting is auto mode
Menu→Phone→Keypad
*#1234#
check Phone version
→
PHONE:N910CXXX or
PHONE:unknown
Check the CP V_BAT
C560, C561
=3.6~4.2V
→
→
PHONE:unknown
→
?
PHONE:N910XXXX
No
Check the contact of antenna.
Sub FPCB)
(
Replace the U500
Yes
Check the VDD_B1,B2,B3,B4
C570, C571, C572, C573
Abnormal
Change the board
Yes
END
No
Replace the U503
8-10
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
VDD_B1_1.2V
C570
D
N
G
_
1
B
_
D
D
V
C571
5
1
E
1
T
A
B
V
VDDG_1.2V
2
L
S
U
B
V
VDD_B4_A
9
3
5
C
C3031 near to AB18
4
8
3
1
1
1
G
G
N
M
A
A
1
1
1
1
D
D
D
D
D
D
D
D
V
V
V
V
2
3
C556
5
C
B
F
V
_
1
K
C
U
B
8
1
E
A
8
4
G
A
2
D
D
V
2
8
1
1
1
1
1
Y
B
W
P
G
A
2
2
2
A
Y
D
D
D
C
H
D
D
D
D
P
V
V
V
D
R
V
D
D
_
K
L
C
E
D
D
V
VDDF_1.8VVDDM_1.1V
7
8
6
3
3
3
5
5
5
C
C
C
C3028 near to T1
VDD_B3_2.0VVDD_B2_1.4V
C572
C573
VDD_B4
BUCK1_VFB
CP_HUB_INT
L504
HUB_CP_INT
L505
L506
L507
BUCK1_VFB_M
D
N
G
_
2
B
_
D
D
V
D
N
G
_
3
B
_
D
D
V
D
N
G
_
4
B
_
D
D
V
VBAT_4.2V
1
0
6
6
5
5
C
C
N15
ACCUART1_RX
N16
ACCUART1_TX
P15
ACCUART1_CTS
P16
ACCUART1_RTS
B18
BUCK1_SW
A12
BUCK2_SW
BUCK3_SW
BUCK3_SW
BUCK4_SW
BUCK1_VFB
BUCK2_VFB
BUCK3_VFB
BUCK4_VFB
BUCK1_VFB_M
DDRCA0
DDRCA1
400mA
200mA
350mA
E17
E18
A9
C17
C17
B11
E16
B9
B17
AA10
AA9
VDDH_1.8V
8
1
8
1
1
1
L
2
1
C
F
T
B
L
A
A
0
A
A
B
B
M
T
_
_
_
_
E
A
E
E
E
E
M
F
F
F
F
B
_
V
A
A
A
A
F
S
S
S
S
A
_
_
_
_
S
D
D
D
D
_
D
D
D
D
D
V
V
V
V
D
V
POWER PLANE 750mA
8-11
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
D
8-3-4.
T_FLASH_D(2)
T_FLASH_D(3)
T_FLASH_D(0)
T_FLASH_D(1)
T_FLASH_CLK
T_FLASH_CMD
T_FLASH_DETECT
SIM_IO
SIM_CLK
NFC_SWP
SIM_RST
COVER_DET
Sim Part
VDDQ_MMC2_2.8V_AP
CP_VSIM_2.9V
R812
Insert SIM card
Yes
Is SIM/SD socket ok?
Yes
Check the SIM Voltage.
C694 or C695 of SIM
(
FPCB)
>= 1.8or3.0?
Yes
END
VCC_1.8V_AP
5
8
4
1
8
R
7
6
1
1
1
1
8
8
8
8
R
R
R
R
R827
VCC_1.8V_AP
R834
No
No
Change SIM/SD FPCB.
Change to the new SIM card.
If it doesn`t still work SIM card after changing
the SIM card, Check the U300(Crack etc)
COVER_3.3V
V_TFLASH_2.8V_AP
HEA801
22
11
33
44
5566
7788
10 10
99
11 1112
12
13
14
1314
15
16
1516
17
18
1718
19
20
19
20
212222
21
232424
23
252626
25
27
28
2728
29
30
29
30
313232
31
33
34
33
34
NCNC
NC
NC
37
38
3536
VCC_1.8V_AP
NFC_SIMVCC_2.8V
0
2
8
R
COVER_UART_RX
COVER_ID
2
0
1
8
D
4
5
3
8
C
6
3
3
8
8
C
C
Z
2
5
4
6
0
0
0
8
8
8
D
D
D
Z
Z
Z
1
1
1
2
8
7
0
0
8
8
D
D
Z
Z
1
1
9
0
8
5
1
8
D
Z
C844
D
Z
3
C845C848
C837
4
8
C
3
0
8
C838
D
Z
2
2
8-12
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-5.
Charging Part
Charging Sequence Start
VBUS_5V
CHG_IN_5V(C1045)=5V or
Battery is Charging?
TA/USB Insert
Yes
=5Vor9V
Yes
Check the
Yes
Yes
9V
No
No
No
Check L1020
or may not connected TA/USB
Resolder and Replace U1007
Resolder or Replace U801
=5Vor9
V,
END
8-13
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
V_BUS_5V
3
4
0
1
C
R1081
L1020
4
4
0
1
C
R1058
1
1
1
B
C
A
N
K
O
L
E
O
_
V
C
O
A
_
D
N
G
U1007
4
B
A2
OUT
A3
OUT
B2
OUT
K
K
R
R
D
D
A
A
N
N
G
M
M
G
4
2
1
C
B3
IN
C2
IN
C3
IN
9
5
4
A
0
1
R
0
6
0
1
R
CHG_IN_5V
5
4
0
1
C
VCC_1.8V_AP
V_BAT
VPH_PWR
C813
WCINOKB
USB_VBUS_AP_4.9V
VCC_3.0V_MOTOR_AP
C830
GNDM
C814
VCC_1.8V_AP
R805
MOTOR_N
MOTOR_P
FUEL_SDA_1.8V
FUEL_SCL_1.8V
nPOWER
CHG_INTB
WRSTB_OUT
PM_SYS_PWR
L803
BST
CHG_DET
C824
VCC_1.8V_AP
R802
VPH_PWR
R808
C864
VF_DETB
C833
C875
WPC_5V
C805
C810
PM_SYS_PWR
C811
VIB_PWM
CHG_IN_5V
9
0
8
L
C800
C804
1
2
C
C
T
T
T
T
A
A
B
B
H5
CHGIN
H6
CHGIN
J5
CHGIN
J6
CHGIN
H8
WCIN
J8
WCIN
G5
BYP
G6
BYP
H4
BYP
H7
BYP
J4
BYP
H2
CHGLX
H3
CHGLX
J2
CHGLX
J3
CHGLX
G1
CHGPG
H1
CHGPG
J1
CHGPG
E1
SYS
E2
SYS
E3
SYS
F1
SYS
F2
SYS
F5
AVL
F7
DETBATB
E6
INOKB
F6
WCINOKB
J7
SAFEOUT1
G7
SAFEOUT2
J9
IN_MOT
H10
MDN
H11
MDP
H9
MGAIN
G8
MPWM
E7
VIO
D7
SDA
D6
SCL
B6
MRST1B
B4
MRST2B
B2
INTB
B5
RESETB
A
_
D
N
G
5
A
C831
CHG_IN_5V
1
0
8
C
E
S
E
N
S
E
N
S
E
_
S
Y
_
R
D
E
N
T
G
T
T
A
A
B
B
_
V
V
1
1
2
4
3
9
1
E
F
D
D
B
E
T
T
S
P
O
N
I
T
T
U
S
S
V
_
A
A
_
B
M
T
B
B
T
V
A
A
M
B
B
U801
Q
D
A
A
A
A
A
D
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
3
4
5
5
3
8
8
4
F
F
E
A
D
D
D
C
VPH_PWR
2
0
8
C
6
7
8
8
D
T
A
B
V
M
M
D
N
G
0
1
J
C
B10
DN1
A9
DP2
C8
UT1
C10
UR2
E9
SL1
D9
SR2
C11
COMN1
B11
COMP2
A10
UID
C9
IDB
B8
JIG
D11
ADN1
D10
ADP2
E10
AUR2
F11
AUT1
G11
LEDVCC
G10
LED0
F9
LED1
RGB_R
F10
LED2
RGB_G
G9
LED3
RGB_B
A3
VBFG
A7
VCCTEST
B1
THM
R806
A2
THMB
G2
CHGRGSUB
C822
G3
BST
PVL
SYS_A
SYS_A
SYS_Q
TEST1
TEST2
TEST3
TEST4
TEST5
TEST6
NC
NC
NC
MARK
MARK
BST
G4
VPH_PWR
A4
B3
E8
A6
C826
C5
C4
B7
C6
C7
A1
A11
J11
1
2
USB_HS_DM
USB_HS_DP
JTAG_TXD
UART_TXD
UART_RXD
JTAG_RXD
MUIC_DM
MUIC_DP
MUIC_ID
JIG_ON_N
JTAG_IF_CON_SENSE
VPH_PWR
CP_RXD_1.8V
CP_TXD_1.8V
R803
1
2
8
C
C823
C829
TH800
CHG_THERM
VCC_1.8V_AP
M
D
N
G
R811
CHG_INTB
8-14
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-6.
OTG
OTG does not work
Yes
Check CHG_IN_5V(C804)=5V
Yes
Check VBUS_5V(L1020)
=5V
No
No
Check U801
Check
1007
Yes
Change the board
Yes
END
8-15
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
VPH_PWR
C813
WCINOKB
USB_VBUS_AP_4.9V
VCC_3.0V_MOTOR_AP
C830
GNDM
C814
VCC_1.8V_AP
R805
MOTOR_N
MOTOR_P
FUEL_SDA_1.8V
FUEL_SCL_1.8V
nPOWER
CHG_INTB
WRSTB_OUT
PM_SYS_PWR
L803
BST
CHG_DET
C824
VCC_1.8V_AP
VPH_PWR
R802
Level3Repair
VCC_1.8V_AP
V_BAT
CHG_IN_5V
C800
9
WPC_5V
0
8
L
C805
C810
PM_SYS_PWR
VF_DETB
R808
C864
C811
VIB_PWM
C804
2
1
C
C
T
T
T
T
A
A
B
B
H5
CHGIN
H6
CHGIN
J5
CHGIN
J6
CHGIN
H8
WCIN
J8
WCIN
G5
BYP
G6
BYP
H4
BYP
H7
BYP
J4
BYP
H2
CHGLX
H3
CHGLX
J2
CHGLX
J3
CHGLX
G1
CHGPG
H1
CHGPG
J1
CHGPG
E1
SYS
E2
SYS
E3
SYS
F1
SYS
F2
SYS
F5
AVL
F7
DETBATB
E6
INOKB
F6
WCINOKB
J7
SAFEOUT1
G7
SAFEOUT2
J9
IN_MOT
H10
MDN
H11
MDP
H9
MGAIN
G8
MPWM
E7
VIO
D7
SDA
D6
SCL
B6
MRST1B
B4
MRST2B
B2
INTB
B5
RESETB
A
_
D
N
G
5
A
C831
C833
C875
CHG_IN_5V
1
0
8
C
E
S
E
N
S
E
N
S
E
_
S
Y
_
R
D
E
N
T
G
T
T
A
A
B
B
_
V
V
1
1
8
2
4
9
3
1
F
D
E
B
D
D
E
T
S
T
P
O
N
I
T
T
S
U
S
V
A
A
_
_
B
M
T
T
B
B
V
A
A
M
B
B
U801
D
A
A
A
A
A
D
Q
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
0
3
3
4
5
5
4
8
8
1
F
F
E
C
D
D
D
A
J
VPH_PWR
2
0
8
C
6
7
8
C
T
A
B
V
M
B10
DN1
A9
DP2
C8
UT1
C10
UR2
E9
SL1
D9
SR2
C11
COMN1
B11
COMP2
A10
UID
C9
IDB
B8
JIG
D11
ADN1
D10
ADP2
E10
AUR2
F11
AUT1
G11
LEDVCC
G10
LED0
F9
LED1
RGB_R
F10
LED2
RGB_G
G9
LED3
RGB_B
A3
VBFG
A7
VCCTEST
B1
THM
R806
A2
THMB
G2
CHGRGSUB
C822
G3
BST
PVL
SYS_A
SYS_A
SYS_Q
TEST1
TEST2
TEST3
TEST4
TEST5
TEST6
NC
NC
NC
MARK
MARK
M
D
N
G
M
D
N
G
BST
G4
VPH_PWR
A4
B3
E8
A6
C826
C5
C4
B7
C6
C7
A1
A11
J11
1
2
USB_HS_DM
USB_HS_DP
JTAG_TXD
UART_TXD
UART_RXD
C823
MUIC_DM
MUIC_DP
MUIC_ID
R803
JIG_ON_N
JTAG_IF_CON_SENSE
CP_RXD_1.8V
CP_TXD_1.8V
JTAG_RXD
VPH_PWR
R1081
V_BUS_5V
L1020
1
2
8
C
3
4
4
4
0
0
1
1
C
C
R1058
1
1
1
C
B
A
N
K
O
L
E
O
_
V
C
O
A
_
B3
IN
C2
IN
C3
IN
9
5
0
1
R
0
6
0
1
R
A2
OUT
A3
U1007
OUT
B2
OUT
K
K
D
R
R
D
D
A
A
N
N
N
G
M
M
G
G
4
4
4
2
1
B
C
A
CHG_IN_5V
5
4
0
1
C
C829
8-16
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-7.
Sensor
Sensor does not work
Yes
Check OSC7000
Frequency
Check R611, R613
= 32.768
Yes
I2C is OK?)
(
Yes
Replace Sensor IC
khz
?
No
No
Replace OSC7000
Replace U 402
END
Yes
8-17
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
TSP_INT_2
TP is on OCTA side
TP is on CP side
TP is on CP side
SHUB_TS_SCL
SHUB_TS_SDA
MASTER SPI
HOST SPI
PROXI_SENSOR_INT
SHUB_SPI_SCK
SHUB_SPI_SSN
SHUB_SPI_MOSI
SHUB_SPI_MISO
MCU_AP_INT_2_1.8V
AP_MCU_INT_1.8V
MCU_HOST_WAKE
MCU_HOST_REQ
HUB_CP_INT
CP_HUB_SCL
CP_HUB_SDA
SENSOR_I2C_SCL
SENSOR_I2C_SDA
GPS_LNA_EN
PROXI_LED_EN
6AXIS_SENSOR_INT
CP_HUB_INT
6AXIS_SPI_MISO
6AXIS_SPI_MOSI
6AXIS_SPI_SCK
6AXIS_SPI_SSN
GPS_IF_VDD1P2
TP402
TP403
TP404
TP405
R404
R405
TP407
TP451
TP409
TP454
TP455
TP458
TP459
TP460
TP461
VCC_1.8V_AP
0
5
4
R
L409
6
0
4
C
2
A
2
P
1
D
D
V
_
F
I
_
S
S
N
F7
G
GPIO_00
G7
GPIO_01
H7
GPIO_02
J7
GPIO_03
A7
GPIO_04 GNSS_RFIN
B7
GPIO_05
C7
GPIO_06
D7
GPIO_07
A6
Main Source
GPIO_08
B6
GPIO_09
C6
GPIO_10
D6
GPIO_11
E6
GPIO_12
F6
GPIO_13
MASTER SPI
G6
GPIO_14
H6
GPIO_15
J6
GPIO_16
A5
GPIO_17
U402
B5
GPIO_18
C5
GPIO_19
D5
GPIO_20
E5
GPIO_21
F5
GPIO_22
H5
GPIO_23
F4
GPIO_24
B4
GPIO_25
D4
GPIO_26
E4
GPIO_27
S
S
V
_
F
I
_
S
S
S
S
N
S
S
V
V
G
5
4
1
C
C
G
7
1
E
A
2
P
1
D
D
V
_
A
N
L
_
S
S
N
G
S
S
V
_
A
N
L
_
S
S
N
G
2
2
E
B
VDD_1P1_SRM
1
7
4
C
1
5
J
H
F
D
M
R
D
R
E
V
S
P
_
_
_
1
C
8
P
D
P
1
A
1
_
_
6
5
D
D
D
D
V
V
_
I
_
I
GNSS_AUX_OUT
I_VDDX_5P0_PMU
I_VDDX_3P3_PMU
O_VDD1_1P1_CORE
O_VDD2_1P1_GBB
O_VDD3_1P2_GRF
O_VDD6_1P1_SRM
O_VDD5_1P8_PERF
O_VDD5_1P8_AUX
U
F
M
E
P
_
R
_
S
C
S
V
D
A
A
2
1
H
GNSS_TCXO
STANDBY_N
TEST_MODE
K
R
A
M
2
GNSS_CAL
ADC_IN1
ADC_IN2
ADC_IN3
ADC_IN4
ADC_IN5
ADC_IN6
ADC_IN7
ADC_IN8
K
R
A
M
VCC_1.8V_AP
1
0
0
0
4
4
R
R
GPS_RF
7
8
0
0
4
4
C
C
A4
A3
E3
I_XTAL
B1
B3
F2
D2
F1
E1
O_FILT
G2
D3
D1
F3
C3
C2
J1
J2
J3
J4
H3
H4
G3
G4
G1
TP401
GPS_CLK_26M
GPS_CLK32K
GNSS_AUX_OUT
GPS_HUB_EN
GPS_IF_VDD1P2
2
1
2
2
4
4
C
C
VDD_1P1_SRM
3
2
4
C
OUT34VCC
OSC400
GNDNC
2
1
4
6
5
2
2
2
4
4
4
C
C
C
TP408
C413
SWDIO
SWCLK
SH_WLAN_WAKE
SH_UART_RX
SH_WAKE
SH_UART_TX
8-18
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-8-1
Microphone Part
Check main microphone function
in voice call Handset mode or voice recorder mode
Check sub board
connection(HDC1000)
Check the voltage at
C924
- Main MIC
Yes
Yes
=1.8V
No
No
Set the HDC1000 connection
resolder or replace U900
END
Yes
8-19
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
N
MICBIAS_EN_AP
VPH_PWR
C923
MAIN_MICBIAS_1P8
U900
4
VDD
3
CE
1
VOUT
2
GND
D
N
G
5
C924
R931
MAIN_MIC_FB_G
8-20
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-3-8-2.
Microphone Part-Sub(2nd) MIC
Check Sub(2n d) microphone function
in voice call loudSPK NS Off mode
or in camcording mode
Yes
Check PC B where Sub MIC
MIC900) is placed
(
for any damage
Yes
Check the voltage at
C956
=2.8V
No
No
Replace the PCB module
resolder or replace U903
Yes
Check the voltage at
C904
=1.8V
Yes
END
No
resolder or replace U901
8-21
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-22
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Level3Repair
8-23
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’swritten authorization is strictly prohibited.
Loading...