Samsung SM-E625F User manual

SM-E625F/M625F
Common
Mobile Device
CONTENTS
1. Safety Precautions
2. Specification
3. Product Function
4. Exploded View and Parts list
5. MAIN Electrical Parts List
6. Level 1 Repair
7. Level 2 Repair
8. Level 3 Repair
9. Reference Abbreviation
4.
2
Notice: All functionality, features, specifications,
and other product information provided in this
document, including but not limited to, benefits,
design, pricing, components, performance,
availability, and capabiliti-es of the product are
subject to change without notice. Samsung
reserves the right to alter this doc-ument or the
product described herein at anytime, without
obligation to provide notification of such
changes.

This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
ⓒ
Samsung Electronics Co.,Ltd
2021. 01. Rev 1.1

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’s written authorization is strictly prohibited.
7. Level 2 Repair
7-1. Components on the Rear Case

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’s written authorization is strictly prohibited.
7. Level 2 Repair
7-2. Pre-requisite
Tweezers / Disass'y Stick / Screw Driver
Anti-static Gloves
Anti-static Mat
AOD for Tablet
Ethyl Alcohol
Cotton Swab

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’s written authorization is strictly prohibited.
7. Level 2 Repair
7-3. Parts which must be changed after repair
BOM Description & part code
Image
Remarks
Backcover Outside tape
[GH81-20354A]
Left items must be changed to
the new one in case of
disassemble the Back glass.

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’s written authorization is strictly prohibited.
7. Level 2 Repair
7-4. Disassembly
※ Caution
Be care of scratch.
※ Caution
Be care of scratch.
※ Caution
Be care of Rear damage.
※ Caution
Be careful not to damage the PBA.
4
Remove 1 PBA screw.
- Torque Value : 1.1kgf ± 7%
2
Remove Rear Cover.
3
Remove all 15 points of Rear Screws
- Torque Value : 1.15kgf ± 7%
1
1) Put the device in the AOD jig.
Set the AOD condition
- SOC 68%↓: Upper 70℃/ Lower 60 ℃5min
- SOC 68%↑: Upper 60℃/ Lower 60 ℃5min
2) Disassemble the Back-Cover using the AOD.

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’s written authorization is strictly prohibited.
7. Level 2 Repair
※ Caution
Be care of several kinds of damage at PBA and FPCB.
※ Caution
Be careful not to damage the Camera Module.
※ Caution
Be careful not to damage the RCV.
※ Caution
Be careful not to damage the Motor.
5
6
Remove WIDE CAM, Ultra wide CAM
connectors.
Remove the PBA and C to C FPCB and Batt Conn
and COAXIAL CABLE And VT Camera, Macro
Camera, Vokeh CAM
Detach Motor from Front Ass’y.
8
Detach RCV from Front Ass’y.
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’s written authorization is strictly prohibited.
7. Level 2 Repair
※ Caution
1) Be careful not to damage the octa conn, C to C FPCB and
COAXIAL CABLE.
2) Be careful not to damage the PBA
※ Caution
Be careful not to damage the Sub PBA.
9
Remove octa conn, C to C FPCB and
COAXIAL CABLE.
10
Detach the Sub PBA.

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’s written authorization is strictly prohibited.
7. Level 2 Repair
7-5. Assembly
※ Caution
Be care of Sub PBA damage.
※ Caution
1) Be careful not to damage the C to C FPCB and Red COAXIAL
CABLE.
2) Be careful not to damage the PBA
※ Caution
Be care of damage each part.
※ Caution
1) Be care of scratch CAM lens.
2) Check for each connector connection.
2
Assemble C to C FPCB and COAXIAL CABLE
Assmble OCTA/ C to C Conn. and COAXIAL
CABLE.
4
Assemble the PBA and C to C FPCB and Batt
Conn and COAXIAL CABLE and VT
Camera/Macro Camera/Vokeh Cam.
Attach Motor and Receiver in upper area.
1
Attach Sub PBA on Front Ass’y.
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’s written authorization is strictly prohibited.
7. Level 2 Repair
※ Caution
Be care of PBA damage.
※Caution
Be care of Rear damage.
※Caution
Be care of damage each part.
※ Caution
Be care of scratch Rear cover.
7
changed to the new one Backcover Outside
tape.
8
Press Back Glass.
- Pressing force : 1 N
- Pressing time : 1 minute
SIM Tray must be seperated before pressing
the backglass or the OCTA
※SIM Tray must be separated before
pressing the backglass or the LCD.
5
Screw insertion 1 Point.
- Torque Value : 1.1kgf ± 7%
6
Assemble Rear and screw insertion 15 point.
- Torque Value : 1.15 ±7%

Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or datafrom this document without Samsung’s written authorization is strictly prohibited.
4. Exploded View and Parts List
4-1-1. Cellular phone Exploded View [SM-E625F]
QFR01
QCA03
QCA04
QAR01
QMO01
QMI01
QMP01
QCR239
QCA05
QCA02
QCA01
QBA01
QME03
QCB01
QME01
QVO01
QME02
QRE01
QSM01
QBC01
QCR205
QIF01
QSP01
※SVC REPAIR TAPE
QRT01

Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or datafrom this document without Samsung’s written authorization is strictly prohibited.
4. Exploded View and Parts List
4-1-2. Cellular phone Exploded View [SM-M625F]
QFR01
QCA04
QME02
QCA03
QAR01
QMO01
QMI01
QMP01
QCR239
QCA02
QCA01
QCA05
QCB01
QME03
QME01
QVO01
QRE01
QSM01
QCR205
QBC01
QIF01
QSP01
QBA01
※SVC REPAIR TAPE
QRT01

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’s written authorization is strictly prohibited.
8. Level 3 Repair
8-1. Components Layout MAIN PBA (TOP SIDE)
MAIN PBA (BOTTOM SIDE)

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’s written authorization is strictly prohibited.
8. Level 3 Repair
SUB PBA (TOP SIDE)
SUB PBA (BOTTOM SIDE)

BT/Wi-Fi
(SWB-E43)
ModAP
(AP + CP)
EXYNOS9825
LPDDR4X
Audio Codec
(CS47L93)
WIFI PCIe
Confidential
SM-E625F BlockDiagram
CODEC I2S
6AXIS SPI
GPS/
SENSOR HUB
(BCM47755KUB)
Sub Mic
DDI
(S6E3FA9)
LCD MIPI 4 lane
Display PMIC
(SM3010)
SHUB SPI
CP UART
32.768kHz CLK
from AP/CP PMIC
32.768kHz CLK
from AP/CP PMIC
SPK AMP I2C
AMP I2S
TSP_I2C
CODEC SPI
32.768kHz CLK
from AP/CP PMIC
CODEC CLK 26MHz
Display
MainMic
Transceiver
S5500
SPK AMP
(CS35L40) SPK
RCV
TFLASH/SIM
(201458-1314)
BTP_SPI
GRIP INT
Marconi IF (Rx Digital, Tx Analog IQ)
SPEEDY
T_FLASH
CMD/CLK/DATA
SIM Card
SIM2 IF
SIM1 IF
VDDQ 1.2V
X-TAL
32.768kHz
AP_PMIC_CLK_32K
UFS v3.0
Memory
Buck Booster
(S2ABB02)
VDD_MLDO_2P0
UFS 2lane
SPEEDY
26MHz
TCXO
VDD
BIG/LIT/MIF/MEM/
INT/G3D/CAM/CP ...
AP PMIC
(S2MPS19)
VBAT
VBAT
I2C
VCC 2.5V
TSP
(S6SY771)
Ear Mic
CODEC RST/IRQ
WLAN UART
BT UART (MUSIC)
BT PCM (VOICE)
NFC
(S3NRN4VXS1)
CLK
26MHz
GRIP I2C
PWR ON
Slave PMIC
(S2MPB03X) SPEEDY
I2C
VBAT
RF
LFEMID
FEMID
LFEM
MMMB PA
HB PA
MIPI RFFE 0
MIPI RFFE 1
MIPI RFFE 3
I2C I2C
FM I2S
MOTOR
FM_L
FM_R
EAR OUT L/R
RF BLOCKDIAGRAM
NFC_SWP
RCAM2,RCAM4 I2C
CAM MIPI 4 lane
CAM PMIC
(S2MPB03X01)
CAM PMIC I2C
5M Macro CAM
AF I2C
MIPI S/W
(PI3WVR648G
EAEX)
RCAM4 MIPI 2 lane
32M Front CAM
FCAM MIPI 4 lane
FCAM I2C
RCAM1_AVDD
(ET53118YB)
RCAM1_LDO_EN
RCAM2_RCAM4_
AVDD
(ET53128YB)
RCAM2_RCAM4_LDO_EN
CAM FLASH
DRIVER
(KTD2692)
CAM FLASH EN FLASH LED
RCAM3_AVDD
(ET53128YB)
RCAM3_LDO_EN
12M UltraWide
CAM
5M Bokeh CAM
64M Wide CAM
RCAM3 MIPI 4 lane
RCAM2 MIPI 2 lane
RCAM1 I2C
IF PMIC
(MAX77705)
SW charger
USB OTG
MUIC
Fuel Gauge
CC
USB AP DP/DN
IF PMIC I2C
OVP L/S
(FPF3188)
USB
Conn.
Type C
VBAT
VBATTERY_SR
VBAT_SENSE
VBATGND_SENSE
VBUS_OVP
CC1/2 OVP
Direct Charger
(PCA9468UK)
VBUS_IF
CC1/2
MUIC_D_P/N
VBAT
NFC_I2C
VOL_DN
EL_ON
1/2
SM-E625F/M625F
Common

ANT1000
ANT1001
ANT2000
ANT2001
ANT2002
ANT3000
ANT3001
ANT3002
ANT3003
BOTHHOLE9000
BOTHHOLE9001
C1000 C1001
C1002 C1003
C1004 C1005
C1006
C1007 C1008
C1009 C1010
C1011
C1012
C1013
C1014
C1015
C1016
C1017
C1018
C1019
C1020
C1021
C1022
C1023
C1024
C1025
C1026
C1027
C1028
C1029
C1030 C1031
C1032
C1033
C1034
C1035
C1036
C1037 C1038
C1039
C1040
C1041
C1042
C1043
C1047
C1048
C1049
C1050C1051
C1052
C1053
C1055
C1056 C1057
C1058
C1059
C1060
C1061
C1062
C1063 C1064
C1065
C1066
C1067
C1068
C1069
C1071
C1072
C1073
C1074
C1075
C1076
C1077
C1078
C1079
C1080
C1081
C1082 C1083
C1084
C1085
C1086
C1087
C1088
C1089
C1090
C1091
C1092
C1093
C1094
C1095
C1096
C1097
C1098
C1099
C1100
C1101
C2001
C2002
C2004
C2008
C2009
C2010
C2011
C2012
C2013
C2014
C2015
C2016
C2017
C2018
C2019
C2020
C2021
C2022
C2024
C2025
C2026
C2029
C2030
C2031
C2032
C2033 C2034
C2039 C2040
C2041
C2042
C2043
C2044
C2045
C2049
C2050
C2052
C2055
C2056
C2057
C2058 C2059
C3000
C3002
C3003
C3004
C3005
C3006
C3007
C3008
C3009
C3010 C3011 C3012
C3013
C3014 C3015C3016
C3017
C3018
C3019 C3020
C3021
C3022
C3023 C3024
C3025
C3026
C3027
C3028
C3029
C3030 C3031
C3032
C3033
C3034
C3041
C3042
C3043 C3044
C3045
C3046
C3047
C3048
C3049
C3050C3051
C3055
C3058
C3060
C3063
C3065
C3067
C3068
C3069
C3070
C3071
C4000
C4002
C4003
C4004
C4005
C4006
C4007 C4008
C4009
C4010
C4011
C4012
C4013
C4014
C4015
C4017
C4018
C4019
C4020
C4021
C4022
C4023
C4024
C4026
C4027
C4029
C4031
C4033
C4040
C4042
C4045
C4047
C4048
C4049
C4050
C4051
C4052
C4053
C4054
C4055
C4056
C4057
C4059
C4060
C4061
C4062
C4064
C4072
C4085
C4091
C4093
C4094
C4096
C4097
C4098
C4099
C4100
C4101
C4102
C4103
C4104
C4105
C4106
C4107
C4108
C4116
C4117
C4118
C4119
C4126
C5000
C5001
C5002
C5003
C5004 C5005
C6000
C6004 C6006
C6014
C6022
C6025
C6028
C6029
C6030
C6033
C6034
C6035
C6038
C6040
C6044
C6045 C6047 C6048
C6049
C6050
C6051
C6052
C6054
C6056
C6059
C6061
C6062
C6064
C6067
C6068
C6069 C6070 C6071
C6073
C6078
C6084
C6086
C6087
C6111
C6113
C6114
C6116
C6117
C6120
C6121
C6122
C6123
C6124
C6126
C6127
C6135
C6136
C6137
C6138 C6139
C6140
C6141
C6142
C7046
C7049
C8000 C8001
C8003 C8004C8005
C8006
C8007
C8020 C8021 C8022
C8023
C8054
C8056
C8057 C8058
CN8000
CON4000
D6003
F1000
F1001
F3001
F3002
F9000
HDC4000
ID
L1000
L1002 L1003
L1004
L1005
L1006
L1007
L1008
L1009
L1010 L1011
L1012
L1013
L1014
L1015
L1016
L1017
L1018L1020
L1021
L1022 L1023
L1024 L1025
L1026 L1027
L1028
L1029 L1030
L1031
L1032
L1033
L1034
L1035
L1036
L1037
L1038
L1039
L1040
L1041
L1042
L1043
L1044
L2001
L2004
L2006
L2007
L2008
L2009
L2015
L2016
L2019
L2021
L2022
L2023
L3000
L3001
L3002
L3004
L3005
L3006L3007
L3008L3009
L3010
L3011
L3012
L3014
L3022
L3023
L3024
L3025
L3026
L5000
L6000
L6002
L6003
L6005
L6006
L6007
L6008
L6009
L6010
L6011
L6012
L6013
L6015
L6017
L6018
L6020
L8005
L8006
LED8000
OSC2000
OSC3000
OSC3001
OSC6000
PAM1000
PAM1001
R1000
R1001
R1002
R1003
R1004
R1005
R1006
R2000
R2001 R2002
R2004
R2005
R2006
R2007
R2008 R2009
R2010
R2011
R2012 R2013 R2014 R2015
R2016
R3000
R3001
R3002
R3003
R3005
R3006 R3007
R3008
R3009
R3018
R3019
R3020
R3021
R3022 R3023
R4009
R4017 R4018
R4019 R4020
R4021 R4023
R4024
R4025
R4026 R4027
R4034
R4050R4051
R4052 R4053 R4054R4057
R4058 R4059
R4060
R4065
R4066
R6005
R6016
R6017
R6018
R6023 R6024
R7007
R7009
R7010
R7011
R8000
R8001 R8003
R8005
R8010
R8011
RFC1000
RFS1001
SC9000
SC9001
SC9004
SC9005 SC9006
SOC3000 SOC6000
SOC8000
SOC8001 SOC8003
SOC9000
TH1000
TH3000
TP_UB
TP_UB4000
TP2001
TP3000TP3001TP3002
TP3003
TP3004
TP3005TP3006
TP3007
TP3008
TP3009
TP3010
TP3011
TP3021 TP3027TP3028
TP3033
TP3034
TP3035
TP3037 TP3038
TP3039
TP3040TP3041
TP3043
TP3044
TP3045
TP3047 TP3048
TP3049
TP3050 TP3051 TP3052
TP3053
TP4008TP4009
TP4011
TP6007
TP6010
TP6011
TP6013
TP9000
TP9001
U1000 U1001
U1002
U1003
U2001
U2003
U3001
U3002
U3003
U3007
U3010
U3011
U5000 U6000
U6001
U8008
USB_BOOT4000
USB_DN
USB_DP
ZD1000
ZD3000 ZD3002 ZD3003 ZD3004 ZD3005 ZD3006
ZD6001
ZD6004
ZD9000 ZD9001
VX_SETUP(2020-11-25)_HHP
Created date of PCB data : 2020/12/23 14:41:19
Model :
Revision :
Manufacture Count :
Charge :
Contact :
Date :
Routing :
Resin :
VX_SETUP(2020-11-25)_HHP
Created date of PCB data : 2020/12/23 14:41:19
SM-E625F/M625F
Common

ANT1002 ANT1003
ANT1004
ANT1005
ANT1006
ANT6000ANT6001
ANT6002
ANT6003
ANT6004
ANT7000
ANT7001
C2000
C2003 C2005 C2006
C2007
C2023C2027
C2028
C2035
C2036
C2037
C2038
C2047C2048
C2051
C2053
C2054
C3035
C3036
C3037
C3040
C3052
C3053
C3054
C3056
C3057
C3059
C3061
C3062
C3064
C3066
C3072
C4001
C4016
C4025
C4028 C4030
C4032
C4034
C4035
C4036
C4037
C4038
C4039
C4041
C4043 C4044
C4046
C4058
C4063
C4065
C4066
C4067
C4068
C4069
C4070
C4071
C4073
C4074
C4075
C4076
C4077 C4078
C4079
C4080 C4081
C4082
C4083
C4084
C4086 C4087
C4088
C4089
C4090
C4092
C4095
C4109
C4110
C4111
C4112
C4113
C4114
C4115
C4120
C4121
C4122
C4123
C4124
C4125
C5006
C5007
C5008
C5009
C5010
C5011
C5012
C6001
C6002
C6003
C6005
C6007
C6008
C6009
C6010 C6011
C6019
C6020
C6021
C6023
C6024
C6026
C6027
C6031
C6032
C6036
C6037 C6039
C6041
C6042
C6043
C6046
C6053 C6055
C6057
C6058
C6060
C6063
C6065
C6072
C6074
C6075
C6076
C6077
C6079
C6080
C6081 C6082
C6083
C6085
C6088
C6089
C6090
C6095
C6096
C6097
C6098
C6101
C6102
C6103
C6104
C6105
C6106
C6107
C6108 C6109
C6110
C6112
C6115
C6118
C6119C6125
C6128
C6129 C6130
C6131
C6132
C6133
C6134
C6143
C6144
C6145
C7000
C7001
C7002
C7003
C7004
C7005 C7006
C7007
C7008
C7009
C7010
C7011
C7012
C7013
C7014
C7015
C7016
C7017
C7018
C7019
C7020
C7021 C7022
C7023
C7024
C7025
C7026 C7027
C7028
C7029
C7030
C7031
C7032
C7033
C7034 C7035
C7036
C7037
C7038
C7039
C7040
C7041
C7042
C7043
C7044
C7045
C7047
C7048
C7050
C7051
C8002
C8008
C8009
C8010
C8011
C8013
C8014 C8015
C8016
C8017
C8018
C8019
C8024
C8025
C8026
C8027
C8028
C8029
C8030
C8034
C8035
C8036
C8037
C8038
C8039
C8040
C8041
C8044
C8045
C8046
C8047
C8048 C8049
C8052
C8053
C9000
C9001
C9002
C9003
C9004
C9005
C9006 C9007
C9008
C9009
C9010
C9011
C9012
C9013
C9014
C9015
C9016
C9017
CON4001
D6000
F3000
GND
JTAG4000
JTAG4001 JTAG4002
L1001
L2000
L2003
L2005
L2010
L2011
L2012
L2013
L2014
L2017
L2018
L2020
L3015
L3016
L3017
L3018
L3019
L3021
L6001
L6004
L6014
L6016
L6019
L6021
L6022
L7000
L7001
L7002
L7003
L7004
L7005
L7006
L7007
L7008
L8000 L8001
L8002
L8003
L8004
L9000
L9001
L9002
L9003
L9004
L9005
MIC7000
R3010
R3011
R3012
R3013 R3014
R3015
R3017
R4000
R4001
R4002
R4003
R4004 R4005
R4006 R4007
R4008
R4010
R4011
R4012
R4013
R4014
R4015 R4016
R4022
R4030
R4031
R4032
R4033
R4035 R4036
R4037 R4038
R4039
R4040
R4041
R4042
R4043
R4044
R4045
R4046 R4047
R4048
R4049
R4055 R4056
R4061
R4062
R4063
R4064
R6000
R6001
R6002
R6003
R6004
R6006 R6007
R6008
R6009 R6010
R6011
R6012
R6013
R6014
R6015
R6019
R6020
R6025 R6026
R7000
R7001
R7002
R7003
R7004
R7005
R7006
R7008
R8002
R8004
R9000
R9001 R9002 R9003
R9004 SC9007
SC9008
SIM7000
SOC8002 SOC8004
TA6000
TA6001
TH4000
TH6000
TH6001
TP2000
TP3012 TP3013 TP3014 TP3015 TP3016
TP3017
TP3018 TP3019
TP3020
TP3022 TP3023 TP3024
TP3036 TP3042
TP4000 TP4001
TP4002TP4003TP4004 TP4005 TP4010
TP5000
TP5001
TP5002
TP5003
TP5004
TP5005
TP5006 TP5007
TP5008
TP5009
TP6002 TP6003
TP6004
TP6005 TP6006
TP6008
TP6009
TP6012 TP6014
TP6015
TP6016
TP6017 TP6018 TP6019
TP6020
TP6021
TP6022
TP6023
TP6024
TP6025 TP6026
TP7000
TP7001
TP7002
TP7003
TP7004
TP7005
TP7006
TP7007
TP7008 TP7009
TP7012
TP7013
TP7014 TP7015
TP7016
TP7017 TP7018 TP7019
TP7020
U2000
U2002
U2005
U2006
U3005
U3006
U3008
U3009
U6002
U6004
U6005
U7000
U7001
U8000 U8001
U8003
U8005
U8006
U9000
U9001
UCP4000
UME5000 VBUS
ZD3001
ZD6000
ZD6002
ZD6003
ZD7000
ZD7001
ZD7002
ZD7003
ZD7004
ZD9002
ZD9003 ZD9004
VX_SETUP(2020-11-25)_HHP
Created date of PCB data : 2020/12/23 14:41:19
Model :
Revision :
Manufacture Count :
Charge :
Contact :
Date :
Routing :
Resin :
VX_SETUP(2020-11-25)_HHP
Created date of PCB data : 2020/12/23 14:41:19
SM-E625F/M625F
Common

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’s written authorization is strictly prohibited.
8. Level 3 Repair
8-3. Flow chart of Troubleshooting.
Oscilloscope
Digital Multimeter
Power Supply
+ driver, ESD Safe Tweezer
8960 & Spectrum Analyzer
Soldering iron

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’s written authorization is strictly prohibited.
8. Level 3 Repair
8-4-1. Power On
Mobile phone does not power on.
Yes
No
Yes
Change the FRONT-UB ASSY
Yes
No
Check the initial operation
Replace the Power key FPCB
Yes
No
No
Yes
No
No
Charging the battery by TA.
If its voltage level is extremely low
(under 3.0V),
Change the battery.
END
Yes
No
Power-on the phone and check
the power-on sound
or motor Vibration.
Sound or Vibration is ok?
No
Check the voltage level at
R3017 while pressing power
key. Is the voltage low?
No
Check the signal of
AP_PS_HOLD(TP6006) = 1.8V
Check the output voltage of U6000/U6003
If the output voltage is not normal, Change the
U6000/U6003
Check the Battery Voltage.
Is it more than 3.8V?