SAMSUNG SM-A115M Service and repair manual

8. Level 3 Repair
ANIBAL GARCIA VENEZUELA
https://irepairvenezuela.com/
https://www.youtube.com/anibalgarciaolivera
8-1. Components Layout
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
ANIBAL GARCIA VENEZUELA
https://irepairvenezuela.com/
https://www.youtube.com/anibalgarciaolivera
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
ANIBAL GARCIA VENEZUELA
https://irepairvenezuela.com/
https://www.youtube.com/anibalgarciaolivera
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.
RFIC
WTR2965
PRX_HB1
RF5212A
MIPI
TX_LB_IN
TRX7
FBRX_R FIP
D_ANT
SP10T
MIPI
RF7
RF8
QM56030
MIPI
RFIN _L1
RFIN _H
RFIN _M
MB3
LB4
HB2
TRX3
TRX8
TRX5
TRX10
PRX_LB3
CPL
DRX_HB2
FBRX_R FIM
DRX_HB1
TX_B7/38/40/41
PRX_LB2
PRX_LB1
TX_DA1
TX_DA3
DRX_LB2
RF3
RF4
GNSS_IN
RF5
DRX_LB3
LB3
TRX4
MB2
PRX_MB3
DRX_LB1
LNA
TRX_W IFI_2.4G/BT
WIFI_2.4G/BT/GPS_A NT
GPS
Diplexer
LNA
TX_HB_IN
TX_DA2
TRX6
WCN3615
WL_BT_RFIO
PRX_HB2
RF6
SP2T
TRX2
MB1
LB5
TRX B 3
TRX B 2
TRX B 1
TRX
TRX
PRX B5/G8 50 PRX B8/G9 00
PRX B28B
DRX B40
DRX B38/B41
DRX B7
DRX B5
DRX B8
B8
DRX_MB1
B5
HB_SWOUT
TX_GSM_HB/1/2/3/4
TX_GSM_LB/B5/B20
LB_SWOUT
TX_B1/2/3/4
TX_B5/20
TX_DA4
SAW
SP2T
GPIO_100
GPIO_116
P_ANT
TRX2
TRX B 7
TRX B 38/41
SP3T
PRX B12/17/20
PRX B1/3/D CS1800/4
PRX B12/17/20/B28
PRX_MB1
HB1
HB3
P_ANT_GN D
4*SPST
MXD8545
Q
DRX B12/17/20
DRX B12/17/20/B28
DRX B38/40/41
DRX B7
DRX B5
DRX B8
DRX_MB3
D_ANT_GN D
4*SPST
MXD8545
Q
TRX12
TRX13
RF10
DRX B3 DRX B1/B4
DRX B1/B3/B4
DRX B38/B41
RF1
TX B1
TX B3
TX B2
PRX B2/PCS1900
GPIO_106
GPIO_105
GPIO_110
GPIO_106
PRX B3
DRX B7
DRX B2
GPIO_108
LB1
TX B5
TX B8
TX B12/17/20
TX B28B
TRX9
TRX11
TRX B 28B
TRX_W IFI_2.4G/BT
RFIN _L2
TX_B8/B12/17/28
TRX B 12/17/20
TX B28A
TRX B 28A
LB2
MB4
TX B4
TRX B 4/B40
TX B7
TRX B 40
TRX B 38/41
PRX B28A
SP3T
PRX B1 PRX B4
GPIO_105
SP2T
DRX B28
PRX B7
DRX B2
RF2
RF9
RF3
RF2
RF1
RF1
RF2
RF3
RF1
RF2
RF1
RF2
RF2
RF1
PRX B38/40/41
LNA
GPIO_109
DRX B40
ANIBAL GARCIA VENEZUELA
https://irepairvenezuela.com/
https://www.youtube.com/anibalgarciaolivera
8. Level 3 Repair
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
ANIBAL GARCIA VENEZUELA
https://irepairvenezuela.com/
https://www.youtube.com/anibalgarciaolivera
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
Power Supply
+ driver, ESD Safe Tweezer
8960 & Spectrum Analyzer
Soldering iron
ANIBAL GARCIA VENEZUELA
https://irepairvenezuela.com/
https://www.youtube.com/anibalgarciaolivera
8-3. Flow chart of Troubleshooting.
Oscilloscope Digital Multimeter
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
NO Current(Pr ess
power key)
START
Check J16 01
Change Batt ery
or J16 01
NO
Check POWER K EY FPC
and AN T1801~1804
Re-solder an d
Change POWER
KEY FPC and
ANT1801~18 04
YES
NO
YES
Check TP1 (KYPD _PWR_N)
Re-solder an d Change U20 1
NO
Device can po wer
on
YES
Low Curr ent:15-
80mA(Press p ower
key)
START
Press vol ume up insert USB cable to computer to see whether found
the port
YES
Check Powe r-on
Voltage(VREG _S2~7,L2,L3,
L5,L7,L8,L11~13)
Re-solder and Change
U201
YES
NO
YES
Check cloc k
Re-solder an d Change X20 1
NO
Device can po wer
on
YES
Whether
power on
END
Re-solder an d
Change U80 1 or
U1501
YES
NO
Large Cu rrent(Press
power key)
START
Device can po wer
on
Tempera ture
sensing met hod
Re-solder an d
Change High
temperat ure compone nts
ANIBAL GARCIA VENEZUELA
https://irepairvenezuela.com/
https://www.youtube.com/anibalgarciaolivera
8-4-1. Power On
Checking Power signal (Battery connector, PMU, Clock)
CHECKING FLOW IMAGE
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
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