Samsung GT-S5250 Service Manual
Level
8.
Block Diagram
8-1.
Repair
3
7.0veRWH90.90.0102
525G
TUOL/TUOR_MF
TABpukcaB
yrettaB
HAM0021
bsuorciM/AT
PU
RREESSEETTIICC
TESER_YEK
CT
HS7
SF80
WS
DCLniaM
DUOL
niaM
CIM
P_CIM
P_CIM
DNG__
RW/DR/SC/SR_DCL
AREMAC
SSCC990000777766EEDDRR22
(
TRAU
320AMB
-/+DEL
)CIHGILKCAB
B892DTK
NE_LB_DCL
"5/1ISLM3
CIBSUORCIM
)
TESER_BB
atadtib61
CII
TESER/KLC/KNYS
ATAD_Y
DAOLNWOD
P/N_BSU
N/P_PMA
L/R_RAE
QRI_UMP/K23/C2I
ADS/LCS_CCA(C2I
TNI_CCA
TNA_MF
enohpraE
CAJRAEIP5.3
R_KPSRAE
L_KPSRAE
KPS
P_KPS
N_KPS
ROTOM
V
V0.3_BI
UMP
CIMP+PVO+CIMP(
)
GWE0998XAM
YEKEMULOV
3322KKHHzz
2256PMTS
TUOL_MF
TUOR_MF
TESER_UMP
SUBV
raE
CI
M
CIM
P_CIMDUOL
P_CIMDUOL
DNG_
P_CIM_RAE
N_CIM_RAE
rossecorP9MRA
aidemitluMdetargetnI
ATRAU
WS
IPS
BTRAU
VCR
P_VCR
N_VCR
NOC_NE/NE_XT
BH/BL_AP
)058/009/SCD/SCP(XR
GBFI43312MCB
reviecsnartFRnoitarbilac-fleS
MIS
zHM62
TRAU
SPG+MF+TB
)GBUK0B5702MCB(
IFIW
)9134MCB
(
KCOLBFR
7059B
YROMEM
RDDG2/G4DNAN
HSALF-T
GATJ
zHM62
SPG
TUOL/TUOR_MF
TB
WS
IFIW
)EGDElluF(82577YKS
8-1
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Level3Repair
PCB Diagrams
8-2.
8-2-1.
Top
MIC400
BH602
RCV400
H
C507
D
C509
C
4
C508
0
0
R502
TP502
0
2
P
1
T
5
C510
0
5
C
3
0
ZD400
L403L404
ZD405 ZD406
L401
C
R
C401C402
4
4
1
2
6
0
R
R
2
2
R408
0
0
6
7
0
0
6
P
T
C
3
2
5
U201
2
0
4
U
R407
R
R
L
5
5
5
0
0
0
7
9
6
5
0
1
U
C
5
1
C
6
0
1
C
3
2
1
R
4
0
4
C
4
0
6
C
4
0
3
C410
R
4
0
2
1
C
C
R
R
R
5
5
5
5
5
1
1
0
0
0
2
3
5
6
8
C
C
5
5
R
R
0
0
5
5
C
2
0
0
0
6
3
4
0
5
T
O
O
B
_
B
S
U
_
P
T
D
5
U500
0
0
C
C
5
3
0
0
5
1
L500
C
3
0
3
C
3
1
4
C344
R305
C239
R232
R
4
0
5
C
4
0
7
C
4
1
2
R
4
0
3
C
C
C
C
C
4
4
4
4
2
2
1
0
0
0
1
1
9
4
4
C
2
2
7
C
2
3
7
2
0
P
T
9
2
1
P
T
0
C
2
1
4
C
R
C
L
2
2
2
2
0
2
0
2
0
9
0
1
6
C217
1
2
P
T
T
A
C
6
0
0
ZD604
C603
R
6
0
7
C615
R610 R611
4
0
6
U
C614
L
5
C322
0
T
7
A
C
6
0
2
C331
C332
C323
C316
Z
D
6
0
C302
3
C300
C329
C
C
C
3
3
3
1
2
2
7
6
7
C
3
3
0
T
T
P
P
2
2
0
1
R215
8
4
R
2
0
4
D200
T
P
2
0
6
2
0
3
P
T
TP205
T
2
0
0
P
T
P
2
0
7
T
P
T
2
P
1
2
3
0
2
T
P
T
2
P
1
2
1
1
2
C
2
0
1
R
2
1
UME200
1
R
2
0
9
R
2
1
3
C
3
4
6
2
0
P
T
1
C
D
3
0
0
C418
L407 014L904L804L
C
R
R
6
6
6
0
0
0
2
0
U
6
0
3
C313
C304
C
C
3
3
3
3
5
6
C
C
3
3
3
3
3
4
R
C
2
2
0
0
1
2
C419
1
C
6
0
4
L
6
U602
0
0
C
C
C311C312
R401
3
3
1
3
8
7
C
R
R
C
3
3
3
3
4
0
0
1
0
3
2
0
O
S
C
3
R
3
0
0
1
0
3
0
0
U
L301
C328
L
C
3
C
C
3
3
0
3
3
8
C
1
3
0
3
5
9
1
9
C
C
3
3
4
4
3
1
C342
R228
R218
C
2
0
0
C417
T
P
R412
2
0
4
R
2
1
0
R
2
1
2
R306
L
5
F
S
4
0
5
F
0
0
2
R
0
1
1
4
0
F
5
U
C
1
0
8
1
0
0
C405
C408
T
P
1
0
TP109
7
T
P
1
P
1
T
8
1
0
8
C
TP116
1
5
2
7
1
1
P
T
C
T
P
1
1
5
0
1
4
C
1
3
5
TP112
C
C
R
L
2
2
2
2
0
1
1
2
1
1
8
5
2
0
0
C
R
2
2
1
1
5
4
0
0
2
U
C232
U
C105
R
1
0
C141
8
C
1
T
4
P
TP115
0
1
1
R103
3
C
L
C118
1
1
L126
1
2
9
1
TP111
C117
C116
C119
U102
C136
C129
C128
T
T
P
P
1
1
0
0
3
C
4
1
T
T
P
P
1
1
1
0
0
4
2
6
L124
T
P
1
0
5
C
C
C
C
R
2
2
2
2
2
2
2
1
1
2
8
0
6
9
4
P
C
U
C
2
0
9
C
2
3
8
C
2
0
0
C
S
2
C207
O
3
3
C208
R217
C146 C147
O
C144
S
C
C150
1
0
L128
0
F
1
0
C
C
1
1
2
2
6
7
R111
TP110
C125
C138
C137
R113
C
1
4
8
C
R
L
1
1
1
2
1
2
0
4
0
4
R109
1
1
P
T
0
0
3
M
I
S
R
C
2
2
R
1
3
2
9
5
3
0
R216
C210
C
R
C
C
2
2
2
2
4
2
1
1
0
9
2
3
C
C
C
2
2
2
2
0
0
2
3
6
L104
L105
L
1
0
2
L101
L
1
0
L109
8
L106
L107
L112
L113
L111
L110
L117
Z
D
Z
1
0
D
L118
2
1
0
3
L114
L115
C
C
C
2
2
2
2
2
0
5
4
5
C226
3
R110
C231
L121
C131
R112
1
0
1
C139
C113
C130
L125
C
C132
1
4
L
2
1
C133
2
3
C143
V
C
R
R
R
TP217
2
2
2
2
3
0
0
0
4
2
3
0
2
0
2
U
R
C
R
C
C
2
1
1
1
1
3
0
0
1
1
1
7
7
1
2
R106
C106
0
0
1
F
1
0
1
F
C
L
1
1
0
0
3
3
C
2
2
3
Z
D
6
0
1
1
0
6
C
A
T
C
1
4
9
C
1
5
3
C151
L127
C123
L
1
C124
2
2
C115
C
U
1
2
C134
2
C145
R
L
R208
2
2
0
0
2
5
C230
R
R
1
1
0
0
2
4
TP100
C
1
0
0
2
0
1
M
C
1
A
0
1
P
3
0
6
A
T
8-2
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Level3Repair
B
0
8-2-1.
Bottom
H600
ANT103
I
6
0
0
C
F
R226
R227
C606
M
O
T
6
0
1
C503
ZD504
ZD503
ZD502
L501
L
5
0
2
5
0
1
C
D
H
R
L
5
5
5
F
0
1
0
0
3
1
C
5
F
5
0
0
0
F502
4
Z
D
6
0
0
L402
M
O
T
6
0
0
ZD403
L405
ZD404
C
6
1
L406
R223
7
C400
R221
C608
0
0
6
D
BTC600
C
C109
1
1
0
C
6
1
6
ANT102
L116
C611
C
6
1
0
ZD602
R
6
0
8
C612
C301
BH6
RFS100
L100
R100 R101
A
N
T
1
0
0
0
0
2
G
A
T
J
TP501
C506
L511
L509
L510
L508
C100
A
N
T
1
0
1
C
5
0
5
5
0
0
C
D
H
Z
D
5
0
1
SPK401
SPK400
8-3
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Level3Repair
Flow Chart of Troubleshooting
8-3.
presetting methods for checking TP
（
GND&TP(exp. VBAT=
-
look over the coming out signal.
-
C1
59, C184
using Oscilloscope
)
GND
Oscilloscope
TP(Test Point)
8-4
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Multi-meter
Level3Repair
Checking the TP(test point) using Multi-meter
EX) to look up the TP, shunt Cap.-if checking the GND, you can listen"beep"
-
if checking the Signal, you can't listen it.
8-5
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Level3Repair
LOGIC
8-3.
8-3-1.
Power On
Power switch on
NG
Check the current
consumption
>= 100
mA?
Yes
Check the battery
voltage
>= 3.45?
Yes
Check the clock at
OSC300
=32
KHz
Yes
C221(1.28V_VCORE)=1.28V?
C213(3.0V_DIG)=3.0V?
C215(1.8V_MEM)=1.8V?
C223(2.7V_VRF)=2.7?
C224(1.3V_VRF)=1.3V?
C209(1.3V_VCXO)=1.3V?
NO
Download
NO
Change the battery
NO
?
Resolder OSC300
NO
Check the U300
Yes
Check the clock
C238
=26
Mhz
?
Yes
Check the initial operation
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NO
Check the clock generation circuit
OSC200
8-6
Level3Repair
E
PMU
AMP_N
AMP_P
FM_LOUT
FM_ROUT
3.0V_ANLG
VCAM_A_2.8V
VCAM_D_2.8V
VCAM_1.8V
3.0V_VIB
VTOUCH_3.0V
1.2V_ANLG
1.3V_VRF
3.0V_AMP1
3.0V_SD
2.9V_LCD
3.3V_USB_NVRAM
2.7V_VRF
2.5V_USBOTG
1.3V_VCXO
SIMVCC
3.0V_DIG
VBUS_5V
VBAT_3.8V
C312
C313
C327
C326 C331C325
1005
C330
C329
C333C328C323
C335C322
C334
C300
C302
C310
C311
1005
1005
C337C332 C338
C336
C339
A3
D1
B4
C5
D6
D7
B8
J4
H8
H5
H9
H4
G4
G5
G6
H1
E1
B9
B7
E5
F5
E6
F6
E7
H2
E2
A6
A5
B5
B6
A8
A7
F4
B3
A4
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
IN9
IN10
IN11
INA1
INA2
INB1
INB2
INLV1
INLV2
ALDO1
ALDO2
AUXLDO1
MAX8990EWG+TC31
AUXLDO2
AUXLDO3
AUXLDO4
AUXLDO5
LVLDO1
LVLDO2
HCLDO1
HCLDO2
MSLDO1
MSLDO2
RFLDO1
RFLDO2
LCLDO
SIMLDO
IOLDO
D
N
G
A
7
F
9
8
3
9
C
D
D
G
S
B
A
IN
U
T
T
O
T
T
B
C
V
A
A
V
B
B
F1
XIN
G1
XOUT
C304
H6
C1N
J7
C1P
C3
FB1
C2
FB2
A2
L300
LX1
C1
L301
LX2
G7
RXINN
H7
RXINP
J3
R302
HPL
J2
HPR
G9
OUTN
J8
OUTP
E9
CHGINA
E8
CHGINB
U300
D4
PC1
E4
PC2
D3
32KHZ
C317
C8
VL
H3
VBIAS
C6
SCL
C7
SDA
C4
IRQB
D5
C319
REFBP
E3
RESETB
D2
HFPWRB
F3
PWRONB
F2
TEST1
G2
TEST2
A1
NC
A9
NC
J1
NC
J9
NC
1
NC
2
NC
3
1
4
2
D
D
D
D
D
N
D
N
N
N
N
S
N
G
S
G
G
G
G
V
P
P
D
P
G
P
1
8
2
9
8
6
5
J
J
F
F
B
B
G
C340
EARSPK_L
R303
EARSPK_R
SPK_N
SPK_P
PC
CLK_REQ
C318
C321
R301
CLK32K
SCL
SDA
PMU_IRQ
PMU_RESET
ACC_DET
ONKEY
C303
5
0
0
1
OSC300
C305
C316
VBUS_5V
C301
1.28V_VCOR
1.8V_MEM
C314
C315
CCP2_S_CM_CLK
CCP2_S_CP_CLK
CSI_M_CM_CLK
CSI_M_CP_CLK
AB10
G19
CE2N
CE_O
G16
CE3N
G15
CE4N
E22
CE5N
F20
C231
CK1
CK2
CSI_M_DM0
CSI_M_DP0
LCDCS0
LCDCS1
LCDD0
LCDD1
LCDD2
LCDD3
LCDD4
LCDD5
LCDD6
LCDD7
LCDCD
LCDRE
LCDWE
OTGCTRL1
OTGCTRL2
OTGCTRL3
OTGCTRL4
OTGCTRL5
RF_X1
RF_X2
RF_INN_0G8
RF_INN_0G9
RF_INN_1G8
RF_INN_1G9
RF_INP_0G8
RF_INP_0G9
RF_INP_1G8
GPS_CAL
F22
W19
W18
Y19
Y18
B10
LCDCS
D12
LD(0:7)
A11
LD(0)
F11
LD(1)
F12
LD(2)
E14
LD(3)
A12
LD(4)
D14
LD(5)
E13
LD(6)
D13
LD(7)
G11
LCDRS
B11
LCDRD
E12
LCDWR
3.0V_DIG
U18
V20
V18
V19
V17
A5
A6
C1
E1
G1
J1
B1
D1
F1
GSM850RX_A
GSM900RX_A
DCSRX_A
PCSRX_A
GSM850RX_B
GSM900RX_B
DCSRX_B
C238
1005
OSC200
SQ2D02600B2JBG
4213
1
2
3
U200
NC7SV17L6X
NC
A
GND
1.3V_VCXO
R214
C232
6
VCC
5
NC
4
Y
WIFI_CLK
8-7
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Level3Repair
L
5
0
7
C323
C316
C302
C322
C331
C332
C313
C304
C311C312
C
3
4
0
R401
R
C
3
3
0
1
2
0
C
3
1
8
R
3
0
3
C
C
3
3
2
3
5
7
O
S
C
3
0
5
C
3
R
3
0
0
0
3
U
0
1
0
C
3
0
3
C300
C329
C
3
1
7
C
3
1
L301
C
3
2
6
C
C
3
2
7
C
3
3
0
C
3
3
5
C
C
3
3
3
3
4
3
C328
3
3
6
C
3
1
9
L
3
C
0
3
3
0
9
C
C
3
3
3
8
1
5
4
C
3
2
1
8-8
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Level3Repair
C
C
U
C
C
2
2
2
2
2
1
0
8
9
2
0
0
C
S
C207
O
C208
R217
C
C
C
C
C
C
L
4
4
4
4
2
1
1
1
C
2
2
7
C
2
3
7
2
0
9
P
T
2
1
0
P
T
C
2
1
4
L
2
0
0
6
1
2
P
T
2
0
0
0
9
4
4
C
R
2
2
2
0
1
0
C217
2
2
0
1
1
8
C
C
R
2
2
2
1
2
1
5
9
4
C232
R
R
C
2
2
2
2
2
1
5
4
1
2
0
0
P
C
C
2
0
9
C
0
2
0
3
2
8
U
C
C
2
3
3
C226
2
3
5
R216
C210
C
2
1
3
C
2
0
3
L117
L118
L114
L115
R
2
1
9
C
2
1
2
C
2
0
6
L104
L
1
0
2
L
1
0
8
L107
L112
L111
C
C
2
2
2
0
5
5
2
1
6
8-9
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Level3Repair
8-3-2.
LCD Working
Power Switch On
LCD Display
On?
Yes
NO
LCD FPCB
connector is co
rrectly connecti
ned?
Yes
F500, F501,
F502, HDC501
Correctly moun
ted?
NO
NO
correctly connect
F500, F501,
F502, HDC501
Resolder
,
Yes
LCD
Replace
Yes
C500
LED+_18=18V?
NO
Replace U500&Check
neighboring circuits
8-10
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VTOUCH_3.0V 2.9V_LCD
V
HDC501
LCDCS
LCDRD
LCDRS
LCDWR
Level3Repair
F500
GND
OUT1
OUT2
OUT3
OUT4
910
5
6
7
8
LCD_CS
LCD_RD
LCD_RS
LCD_WR
1
IN1
2
IN2
3
IN3
4
IN4
GND
TSP_INT
7
0
5
L
R501
C503
ZD504
ZD503
ZD502
L501
VBAT_3.8V
TSP_SCL
TSP_SDA
C503
L
5
0
2
L
5
0
3
LCDFLM
LCD_RST
L501
L502
L503
R
5
0
1
2
1
2
TP501
C504
1
3
3
4
5
6
5
7
7
8
9
9
10
11
11 12
13
14
13
15
151616
17
171818
19
20
19
21
21
22
23
23 24
25
25 26
27
272828
29
29
30
313132
33 34
33
34
NC NC36NC
NC
35
37 38
4
6
8
10
12
14
20
22
24
26
30
32
LCD_CS
LCD_RD
LCD_RS
LCD_WR
LED_N
LCD_D(6)
LCD_D(4)
LCD_D(2)
LCD_D(0)
LED_P_18V
LCD_D(7)
LCD_D(5)
LCD_D(3)
LCD_D(1)
LD(7)
LD(5)
LD(3)
LD(1)
F501
GND
OUT1
OUT2
OUT3
OUT4
910
5
6
7
8
LCD_D(7)
LCD_D(5)
LCD_D(3)
LCD_D(1)
1
IN1
2
IN2
3
IN3
4
IN4
GND
F502
C
5
0
2
5
OUT1
6
OUT2
7
OUT3
8
OUT4
GND
C
5
0
0
2
0
5
D
Z
5
0
1
F
0
0
5
5
D
D
Z
Z
0
1
5
C
D
H
C
5
5
0
0
F
F502
0
4
D500
LD(0)
LD(2)
LD(4)
LD(6)
C
6
0
5
4
3
GND
910
1
IN1
2
IN2
3
IN3
4
IN4
R
5
0
3
LCD_D(0)
LCD_D(2)
LCD_D(4)
LCD_D(6)
R
5
0
4
T
O
O
B
_
B
S
U
_
P
T
D
5
0
0
L500
U500
C
5
0
1
LED_N
R504
C501
L500
U500
16
LX
VIN
2
GND
3
FB
VOUT
CTRL
5
4
C502
LED_P_18
C500
LCD_PWM
R503
8-11
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Level3Repair
8-3-3.
TSP
Operate TSP
NG
Check
TSP Connecting
YES
Change TSP Module
No Problem?
NO
Reconnecting TSP
NO
Change main PBA
END
8-12
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Level3Repair
8-3-4.
Audio Working
Speaker Working
Operate speaker
NG
Check
Speaker
Connecting
YES
Speaker break
down?
NO
NO
YES
Reconnecting SPK
Change Speaker
Module
Signal on in
CL407, L409?
NO
Signal on in
C310, C311?
NO
Change main PBA
YES
YES
Resolder
L407,L409
Resolder
C310, C311
Replace U300
8-13
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