Samsung E1225 Power On
Level
8.
Block Diagram
8-1.
8-2-1.
RF
Repair
3
8-1
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This Document can not be used without Samsung's authorization
Level3Repair
8-2-2.
BB
8-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
PCB Diagrams
8-2.
8-2-1.
Top
Level3Repair
8-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-2-1.
Bottom
DOMM201
C
3
0
0
ANT100
E
A
R
4
0
0
C
L
4
4
1
1
0
5
L411
A
T
M
O
T
1
0
0
ZD401 ZD402
C411
C417
ZD406
C
C
L
L
4
4
4
4
L408L409
0
0
0
0
1
0
7
6
R408
R403
R407
0
R
0
R
C
4
4
4
0
4
U
4
C227
ZD200
BTC200
R410
R409
4
0
1
U
0
0
C
C
ZD405
0
4
4
1
1
0
2
8
1
L406
R
C
C
L407
4
4
T
1
1
3
9
ZD404
R210
C
C
C
R
3
2
3
3
0
1
2
1
1
0
3
8
2
4
3
U
C
C
1
1
1
1
1
2
R
1
C103
0
5
C102
R
1
R308
0
4
L
3
0
3
0
1
R
1
0
9
T
A
3
0
0
SIM200
SPK401
C
1
0
9
0
4
C316
C
C
3
3
1
0
0
9
LED304
DOMM202
ZD302
C132
C
L
1
1
0
1
3
0
ZD100
C
1
0
6
0
0
3
C
F
C
1
0
R106
ZD300
L101
4
R
1
C
R
C317
0
1
1
1
U
0
0
1
1
0
0
L300
0
R107R108
U
C105
1
0
R
1
U
1
1
0
R
3
1
1
5
L102
R
R
3
1
0
0
2
2
R303 R304
R309
C
R
R
C
C
C
L
L
3
3
3
3
3
3
3
3
0
0
0
0
0
0
0
1
6
6
7
4
5
7
8
1
I
L
3
0
2
1
L
0
3
0
3
1
D
Z
SIM201
1
0
S
C
1
9
0
C230
R209
C232
R111
L113
R
R
R
C126 C127
1
1
1
1
1
1
4
3
2
P
A
M
1
0
0
5
0
1
C
S
C
C129
1
1
9
C118
C
L
1
1
1
1
0
5
C
L
1
1
0
3
9
0
C114
0
0
1
S
F
R
SC104
L
C121
C
1
1
1
2
F
1
0
1
C117
0
0
L
C
1
C124
1
1
2
2
2
C123
P
1
0
1
T
TP104
1
P
T
0
0
TP103
P
1
0
2
T
0
6
1
P
T
T
P
1
0
0
2
O
I
P
G
_
P
T
0
5
C
2
3
1
S
C
1
0
0
R
2
0
5
C
C
L
1
1
1
L106
0
3
1
7
1
3
SC1
C
R
U
2
2
3
1
2
3
3
C234
0
0
C
2
3
5
0
0
2
C
S
O
UCP200
C206
L
2
R201
C
0
2
0
1
C202
8
R211
3
R
R212
0
1
1
1
7
U
T
H
2
0
0
R
D200
2
C216
0
4
C
2
2
0
C
2
1
7
C
2
2
1
C203
C209C210
C
C
2
1
C201
2
1
0
7
C
L
C
2
2
2
0
0
1
0
0
2
C205
SC106
7
0
S
C
1
R
C125
R110
C
R
2
2
1
0
4
0
TP206
T
P
2
0
1
T
P
2
0
0
TP202
OSC201
C
4
C
0
2
4
2
9
R208
C
C401
R207
2
2
C
4
4
0
2
R401
C
2
0
ZD400
4
TA400
C226
2
0
3
0
0
2
R
T
C223
C222
R206
C
2
1
9
TP205
U
M
C213
E
2
TP203TP204
0
0
C
4
C409
0
5
R402
L405
L
4
C403
0
3
C400
L402
S
C
C
2
1
1
0
8
2
C
2
1
5
R
C304
3
0
5
C303
R300
C302
C
C
3
3
R301
0
0
1
5
C408
ZD403
L404
MIC400
8-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Troubleshooting
8-3.
8-3-1.
Power On
Power On'does not work
'
Yes
Level3Repair
Check the Battery Voltage
is more than
PMU_VIO
Check the Clock at
UCP200 L19pin
XTAL_32K)
(
C211(+VGPIO_2.8V
3.7V
Yes
=2.8
Yes
=32
Yes
)="
Yes
V?
KHZ
H"?
No
No
No
No
Change the Battery
Check the Main Chip related to
GPIO_2.8V
V
Check the Main Chip
Check the related circuit
VCORE
+
Check the initial operation
=1.25
END
_1.25V
V?
Yes
Yes
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Resolder C202, C208 and L201
8-5
Level3Repair
VBG
C202
NEAR POWER DOMAIN SUPPLY
A(17:22)
MD(0:15)
VANA_2.85V
TH200
R204
EAR_N
EAR_P
RCV_N
RCV_P
V_BATT
VPERM_3.0V
VRF_2.85VVCORE_1.25V
V_BATT
C205
C204
C203
FM_LNA_EN
SIM_SEL
LCD_RST
A(17)
A(18)
A(19)
A(20)
A(21)
A(22)
MD(0)
MD(1)
MD(2)
MD(3)
MD(4)
MD(5)
MD(6)
MD(7)
MD(8)
MD(9)
MD(10)
MD(11)
MD(12)
MD(13)
MD(14)
MD(15)
TORCH_EN
3PI_DETECT
7
0
2
R
EAR_MIC_N
EAR_MIC_P
SHORT
EAR_SW_REF
KEYIN(0:2)
KEYIO(0:2)
KEYOUT(0:3)
A(23)
A(13)
A(14)
A(15)
AUDIO_SW
TP_GPIO200
JIG_ON
MIC_BIAS
R208
EAR_SW
R201
C200
G12
ADDR1
E14
ADDR2
E16
ADDR3
F16
ADDR4
E11
ADDR5
E10
ADDR6
D10
ADDR7
B10
ADDR8
E9
ADDR9
D9
ADDR10
G11
ADDR11
D13
ADDR12
D14
ADDR13
A16
ADDR14
B13
ADDR15
A10
ADDR16
D16
ADDR17
F15
ADDR18
E15
ADDR19
G15
ADDR20
B16
ADDR21
B14
ADDR22
G18
DATA0
F19
DATA1
E19
DATA2
D19
DATA3
C19
DATA4
B19
DATA5
A17
DATA6
A18
DATA7
G19
DATA8
F18
DATA9
E18
DATA10
D18
DATA11
B17
DATA12
B18
DATA13
A19
DATA14
C18
DATA15
W4
GPIO1
V2
GPIO2
W2
GPIO5
V3
GPIO6
V4
GPIO7
G4
FM_RST
FM_SCL
FM_SDA
FM_INT
VIB_EN
D200
C224
MIC_N
MIC_P
GPIO8
H5
GPIO10
W3
GPIO20
H4
GPIO38
J1
GPIO39
W1
GPIO40
V1
GPIO41
J2
GPIO52
J4
2
GPIO57
3
R8
1
AUX_POK
M19
AUX_ADC_0
P18
AUXAUD_IN_L
FM_L
R18
AUXAUD_IN_R
FM_R
W16
EAR_OUT_N|R
W17
EAR_OUT_P|L
T18
INTMIC_BIAS
U19
INTMIC_IN_N
V19
INTMIC_IN_P
U18
C226
EXTMIC_BIAS
R19
EXTMIC_IN_N
T19
EXTMIC_IN_P
W18
HSET_OUT_N
W19
HSET_OUT_P
C229
P19
HKSW_DET1
N19
HKSW_DET2
K1
KEYIN(0)
KEYIN0
K2
KEYIN(1)
KEYIN1
K4
KEYIN(2)
KEYIN2
L1
KEYIO(0)
KEYIO0
L2
KEYIO(1)
KEYIO1
L4
KEYIO(2)
KEYIO2
M1
KEYOUT(0)
KEYOUT0
M2
KEYOUT(1)
KEYOUT1
N1
KEYOUT(2)
KEYOUT2
N2
KEYOUT(3)
KEYOUT3
VCORE_1.25V
0
0
2
L
C201
V
V
V
R
R
R
D
D
D
_
_
_
D
D
D
D
U
U
U
U
A
A
A
A
_
_
_
_
D
D
D
D
N
N
N
N
G
G
G
G
8
5
5
3
4
1
1
1
1
1
T
T
T
V
H
VANA_2.85V
VBG
V_BATT
V_BATT
8
6
3
2
4
5
5
6
2
1
2
9
1
1
1
1
1
1
1
1
1
1
1
R
T
T
P
V
R
R
R
R
N
R
M
E
V
V
E
G
C
C
M
O
C
A
A
I
R
R
R
S
T
B
P
D
D
N
N
D
V
D
D
P
N
R
O
A
C
A
C
U
_
_
_
_
_
E
C
G
D
D
A
T
T
T
_
O
O
S
_
_
V
_
I
I
A
_
A
A
T
T
D
D
D
D
T
B
B
B
A
A
D
D
U
U
A
V
V
V
B
B
V
V
A
A
B
V
V
_
_
V
D
D
D
D
V
V
A
A
A
P
P
P
G
G
G
D
D
D
F
F
F
F
F
F
F
F
F
F
F
R
R
R
R
R
R
R
R
R
R
G
G
_
_
D
D
N
N
G
G
5
1
M
R
G
_
_
_
_
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
G
G
G
2
4
2
5
6
2
7
4
6
3
2
3
E
E
D
A
D
C
B
D
D
B
D
R
9
T
5
E
VMEM_1.8V
4
1
A
M
M
P
E
P
M
G
V
_
_
D
D
D
D
V
V
F
F
R
R
_
_
D
D
N
N
G
G
6
E
VPERM_3.0V
VRF_2.85V
0
6
2
3
3
1
5
5
4
4
7
8
9
4
1
1
1
1
1
1
1
F
A
K
B
K
K
G
K
K
K
A
K
K
A
F
F
F
1
E
E
E
E
E
E
O
G
M
I
I
R
R
R
R
R
R
M
R
R
R
E
_
D
_
_
_
E
O
O
O
O
O
O
F
M
F
D
D
D
C
C
C
M
C
C
C
R
V
R
D
D
D
_
V
V
V
V
V
V
V
_
_
V
V
V
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
V
D
D
D
D
V
V
V
V
V
V
V
V
V
VGPIO_2.8V
VCORE_1.25V
1
0
2
9
8
7
1
1
1
L
L
L
L
L
L
E
E
E
E
E
E
R
R
R
R
R
R
O
O
O
O
O
O
C
C
C
C
C
C
V
V
V
V
V
V
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
VMEM_1.8V
VSIM_3.0V
3
2
1
0
5
3
3
1
L
E
E
R
R
O
O
C
C
V
V
_
_
D
D
D
D
V
V
5
7
8
9
5
5
5
5
5
1
1
1
1
1
1
1
J
P
K
R
N
M
M
M
E
E
R
R
O
O
C
C
V
V
_
_
D
D
D
D
V
V
V
D
B
M
M
M
M
2
E
E
E
E
C
O
O
O
O
M
M
M
I
I
I
I
O
R
R
R
R
N
E
E
R
I
V
V
V
V
O
O
O
O
C
V
_
D
D
V
E
V
M
M
_
_
_
_
_
C
C
C
P
V
V
D
D
D
D
V
_
_
V
V
D
V
D
D
D
D
_
_
_
_
D
D
D
V
V
V
V
D
D
D
D
V
D
D
D
D
D
D
V
V
V
V
V
V
UCP200
S
N
S
E
E
E
E
E
E
E
E
E
E
E
E
E
E
_
T
B
G
A
F
F
F
F
F
F
U
B
B
S
R
R
R
R
V
V
R
R
_
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
5
6
0
2
2
7
1
5
2
1
1
1
F
F
E
H
G
H
T
T
P
E
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
0
0
1
2
7
8
9
7
8
8
9
8
9
9
B
A
7
1
1
1
1
J
E
H
D
H
H
G
G
G
H
H
H
G
E
E
E
E
E
E
E
E
E
E
E
R
R
R
R
R
R
R
R
R
R
R
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
D
V
V
V
V
V
V
L
V
V
V
V
V
_
_
_
_
_
_
_
_
_
_
_
_
D
D
D
D
D
D
U
D
D
D
D
D
N
N
N
N
N
N
N
N
N
N
N
M
G
G
G
G
G
G
P
G
G
G
G
G
0
0
1
2
3
5
9
7
8
5
8
9
1
1
1
1
1
J
J
L
N
N
N
M
J
J
J
J
N
R210
C231
VPERM_3.0V
VRF_2.85V
C206
3
1
H
M
I
S
V
_
D
D
V
D11
NBE0
E12
NBE1
A12
NCS0
B12
NCS1
A11
NCS2
J15
FE_CTRL0
J16
FE_CTRL1
K15
FE_CTRL2
L15
FE_CTRL3
W15
PMU_VIO
W14
PMU_VANA
V15
PMU_VMEM
W12
PMU_VPERM
W13
PMU_VRF
V14
PMU_VSIM
T8
POK_IN
V8
POK_OUT
T7
PWM_OUT0
T5
PWM_OUT1
T6
PWM_OUT2
W8
ICHGN
W9
ICHGP
E1
RFID_N
D1
RFID_P
G1
RFIE_N
F1
RFIE_P
A1
RFOH
A2
RFOL
L18
UART0_RD
K18
UART0_TD
W5
UART1_RD
V5
UART1_TD
V7
UART1_CTS
W6
UART1_RTS
A7
XTAL_26M_1
A6
XTAL_26M_2
L19
XTAL_32K_1
K19
XTAL_32K_2
A5
XTAL_SHLD
B8
XTAL_SHLD
B7
XTAL_SHLD
B6
XTAL_SHLD
B5
XTAL_SHLD
A8
XTAL_SHLD
H19
SIM_CLK
H18
SIM_DATA
G16
SIM_RST
T1
SSI_CLK
U1
SSI_DATA
U2
SSI_OUT
R1
SSI_SEL0
T2
SSI_SEL2
V9
ACC_DET_IN
L16
CLK_32K_OUT
R206
V10
VCHG
V16
VCM_OUT
V17
VCM_OUT
V11
SWCORE
W11
L201
SWCORE
R10
GATE_REG
W10
GATE_SW
D12
NRESET_OUT
T4
NRESET
M4
NTRST
M16
PA_RAMP
P4
RTCK
P2
TCK
N4
TDI
P1
TDO
R2
TMS
R4
TEST
V6
THERM_IN
W7
LDO_EN
E13
NOE
B11
NWE0
B1
NC
C1
NC
H16
NC
J18
NC
J19
NC
N16
NC
N18
NC
R7
NC
1
NC
2
NC
E
E
R
R
M
O
O
I
S
C
C
P
N
V
V
V
D
D
_
_
_
_
_
D
D
D
B
B
N
N
N
S
S
G
G
G
U
U
3
1
1
2
3
1
1
1
1
1
R
N
N
N
G
R211
KEY_LED_3.3V
VCORE_1.25V
C207
C208
NEAR VOLTAGE REGULATOR
LB
UB
LCD_CS
NCSFLASH
NCSRAM
RX_SEL
BAND_SEL
PON_PAM
VGPIO_2.8V
VANA_2.85V
VMEM_1.8V
VPERM_3.0V
VRF_2.85V
VSIM_3.0V
ONKEY_2
ONKEY_1
ICHGN
ICHGP
DCSRX_N
DCSRX_P
EGSMRX_N
EGSMRX_P
DCS_TX
EGSM_TX
UART0_TD
UART0_RD
UART1_RD
UART1_TD
UART1_CTS
UART1_RTS
OSC201
34
1
2
SIM_CLK
SIM_DATA
SIM_RST
R205
32KHz_DIGIT
VCHG_5V
VCM_OUT
VCORE_1.25V
CHG_REG
CHG_SW
SYSRST
RSTON
TRST_N
RAMP
RTCK
TCK
TDI
TDO
TMS
VF
OEn
WEn
VSIM_3.0V
VGPIO_2.8V
VMEM_1.8V
VGPIO_2.8V
VANA_2.85V
C210
C209
C211
C212
OSC200
4
3
2
1
LCD_BL_EN
AUX_DET
8-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-3-2.
Initial
Initial Failure
Yes
UCP200 pin T4(RSTON)="H"?
Yes
CP200pin M4(TRST_N)
U
or D12(SYSRST)
="H"?
Yes
Check the16bit data signal
memory CE
&
No
Replace UCP200
No
Change PBA
END
Yes
8-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-3-3.
Charging Part
UCP200 pin V9(AUX_DET
Abnormal charging part
Yes
UCP200 pin V10(VCHG)
>4.9V
Yes
or R302="L"?
Yes
No
)
No
Resolder or Replace UCP200
Resolder or Replace R302
Check the UCP200 pin R9
1.4V
≒
Yes
END
No
Resolder or Replace UCP200
8-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-3-4. S
IM Part
SIM1 or SIM2 does not wor
Yes
Are U200 pin
Are SIM200 or SIM
Are U200 pin
4,8,12
Yes
Yes
2="
working?
201
H" or"L"?
k
crack?
No
No
Resolder or Replace U200
Resolder or Replace SIM200 or SIM201
H" is SIM1
"
L" is SIM2
"
Signal is not switching
then Resolder or Replace U200
Yes
Check the SIM Card
Yes
END
8-9
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-10
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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