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Level
8.
Block Diagram
8-1.
Repair
3
8-1
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Level3Repair
PCB Diagrams
8-2.
8-2-1.
Top
8-2
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Level3Repair
8-2-1.
Bottom
8-3
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Level3Repair
Flow Chart of Troubleshooting
8-3.
Equipments
Power Supply
↑
Oscilloscope
↑
Digital Multimeter
↑
driver, Tweezer
+
↑
8-4
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Level3Repair
8-3-1.
Power On
Power On'does not work
'
Yes
check the current consumption
Yes
check current consumption
Check the Battery Voltage
is more than
>=100
mA
Yes
Yes
3.3V
No
No
Download again
Change the Battery
Because of batt. power low)
(
Check U501(PMIC) and
Power on voltage
C545
(
Check Resistance Values of
TA500, C556, TA501, C519,
C520, TA502 Are the values
are less than
Frequency is
check the initial operation
V, C546
>1.1
C549
Check the Clock at
OSC501 that
>1.8
Yes
Yes
Yes
100
No
V)
32K
>1.1
ohm?
V,
Hz
Yes
No
No
Check the problem point(short, open, crack etc)
and If PMIC has problem, change U501
Replace capacitor or capacitors that has/have less
than
Check the clock generation circuit
related to OSC501)
(
ohm resistance.
100
END
8-5
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Level3Repair
C534
VREG_MSMC1_1.1V
C541
C537
VREG_MSMC2_1.1V
C538
VREG_MSMA_1.3V
K12
MSM_RXD2_1.8V
C540
C539C535 C536
VREG_QTR_2.2V
VREG_1.8V
L503
L504
L505
L506
L507
UPL_IN4|UART_M_TX|GPIO_36
L12
UART_M_RX|UPL_OUT|GPIO_37
J5
SLEEP_CLK1|GPIO_38
J4
MP3_CLK|SLEEP_CLK2|GPIO_39
M8
EXT_SMPS_EN|GPIO_40
A10
VREG_L0
A11
VREG_L1
E1
VREG_L2
C1
VREG_L3
C2
VREG_L4
B1
VREG_L5
R3
VREG_L6
P2
VREG_L7
L1
VREG_L8
N1
VREG_L9
T2
VREG_L10
D1
VREG_L11
G1
VREG_L12
C16
VREG_L13
H1
VREG_L14
K1
VREG_L15
A16
VREG_L16
A6
VREG_L17
A4
VREG_L18
L15
VREG_L19
M15
VREG_L20
A12
VREG_L21
A9
VREG_L22
T16
VREG_L23
N16
VREG_L24
R16
VREG_L25
N15
VREG_S0
R13
VREG_S1
B13
VREG_S2
G15
VREG_S3
D15
VREG_S4
L16
VSW_S0
T14
VSW_S1
A14
VSW_S2
H16
VSW_S3
E16
VSW_S4
9
G
D
N
G
8
H
D
D
N
N
G
G
0
9
1
H
H
U501
D
D
D
D
N
N
N
N
G
G
G
G
0
7
8
9
1
J
J
J
J
A2
XTAL_19M_IN
A8
XTAL_32K_IN
A3
XTAL_19M_OUT
A7
XTAL_32K_OUT
N5
U_PA_ON0
N4
U_PA_ON1
M5
U_PA_ON2
M4
U_PA_ON3
N6
G_PA_ON0
L5
G_PA_ON1
R12
VPH_PWR
T12
VPH_PWR
N11
HSED_BIAS0
N9
HSED_BIAS1
N10
HSED_BIAS2
E13
PM_INT_MDM_N
E11
PM_INT_SEC_N
E12
PM_INT_USR_N
N12
OVP_CLAMP
M13
OVP_CTL
N13
OVP_SNS
T7
NCP_CTC1
T5
NCP_CTC2
R6
NCP_FB
T8
VREG_NCP
B15
NFC_EXT_EN
D13
REF_BYP
G10
REF_GND
G2
XOADC_REF
M12
VREF_THERM
D12
PS_HOLD
E15
PON_RESET_N
B14
RESIN_N
D11
SSBI
C15
SLEEP_CLK0
C
F
D
U
A
P
B
C
1
4
O
O
0
2
O
3
S
S
X
X
S
S
X
N
S
_
_
_
_
_
_
_
_
_
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
C
C
G
G
G
G
G
N
G
G
G
G
N
G
G
G
G
G
6
6
5
0
5
6
7
7
8
9
7
6
8
1
1
1
1
1
2
1
1
T
K
K
H
K
G
G
T
J
K
D
A
M
C545
C546 C547
C549
C550
C548
C551
8-6
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BTC500
Level3Repair
V_BAT
TA501
TA500
1
1
2
2
3
3
4
NC
5
NC
6
NC
7
NC
1
0
5
D
Z
VF
C556
IFC500
JTAG_V_BUS_5V
ZD500
V_BUS
8
0
5
L
R525
JTAG_USB_ID
R526
R527
6
1
VBUS
DM
2
5
C558
DP
NC
4
3
NC
USB_ID
D
N
G
U505
7
USB_ID
USB_DP
USB_DM
V_BAT
13
NC
12
NC
11
NC
10
NC
9
NC
8
NC
7
S2
6
S1
5
5
4
4
3
3
2
2
1
1
TA502
V_BAT
MIC_BIAS_EN
PROX_EN
DDR_EXT_SMPS_EN
VREG_MPLL_1.1V
LDO21
C512
R504
R505
C519
R510
VREG_WCA_1.2V
LDO24
0
0
2
3
1
5
1
7
B5
KYPD_SNS1|GPIO_01
B6
KYPD_SNS2|GPIO_02
E2
KYPD_SNS3|GPIO_03
J2
KYPD_SNS4|GPIO_04
F2
KYPD_SNS5|GPIO_05
K5
KYPD_SNS6|GPIO_06
H2
KYPD_SNS7|GPIO_07
K4
KYPD_SNS8|GPIO_08
L2
KYPD_DRV1|GPIO_09
R4
KYPD_DRV2|GPIO_10
K2
KYPD_DRV3|GPIO_11
M6
KYPD_DRV4|GPIO_12
M2
KYPD_DRV5|GPIO_13
M7
KYPD_DRV6|GPIO_14
N8
KYPD_DRV7|GPIO_15
M9
KYPD_DRV8|GPIO_16
N7
KYPD_DRV9|GPIO_17
M11
KYPD_DRV10|GPIO_18
M10
KYPD_DRV11|GPIO_19
N2
KYPD_DRV12|GPIO_20
B4
UART_TX1|KYPD_DRV13|GPIO_21
D2
UART_TX2|KYPD_DRV14|GPIO_22
E6
UART_TX3|KYPD_DRV15|GPIO_23
E7
KYPD_DRV16|LPG_DRV1|GPIO_24
E8
KYPD_DRV17|LPG_DRV2|GPIO_25
D9
KYPD_DRV18|LPG_DRV3|GPIO_26
E9
GPIO_27|UIM_M_RST
E5
UIM_RST|GPIO_28
F5
LPA_MODE|EBOOT_M_TX|UIM_M_CLK|GPIO_29
F4
UIM_CLK|GPIO_30
G4
GPIO_31|EBOOT_TX
G5
GPIO_32|EBOOT_RX
E10
UART_RX1|UPL_IN1|GPIO_33
H4
UART_RX2|UPL_IN2|GPIO_34
H5
UPL_IN3|UART_RX3|GPIO_35
K12
UPL_IN4|UART_M_TX|GPIO_36
L12
UART_M_RX|UPL_OUT|GPIO_37
J5
SLEEP_CLK1|GPIO_38
J4
MP3_CLK|SLEEP_CLK2|GPIO_39
M8
EXT_SMPS_EN|GPIO_40
8
1
1
1
1
P
R
R
R
M
J
J
T
R
8
N
T
7
8
G
G
N
I
L
0
0
A
_
H
H
_
O
_
_
T
B
C
C
D
P
P
C
E
V
V
V
V
D
P
P
F
V
_
M
M
|
|
T
D
M
A
I
B
R
_
T
E
T
H
A
T
_
B
T
T
A
B
C520
BAT_FET_N
VF
R506 0603100
KBR(0)
KBR(1)
KBR(2)
KBC(0)
KBC(1)
TA_CURRENT_SEL
EARPATH_SEL
R512
R511
MSM_TXD_1.8V
MSM_RXD_1.8V
SD_PWR_EN_N
OLED_DET_2.8V
MSM_TXD2_1.8V
IF_TXD2_3.0V
IF_RXD2_3.0V
MSM_RXD2_1.8V
nON_SW
IF_TXD_3.0V
IF_RXD_3.0V
SIM_MRST
SIM_RST
SIM_MCLK
SIM_CLK
0603100R507
0603
100R508
6
2
2
3
8
1
1
T
B
R
B
B
9
0
2
1
7
L
1
2
2
L
_
L
L
L
_
_
_
_
6
D
L
D
D
D
D
_
D
D
D
V
D
V
V
V
D
V
U501
6
5
1
5
1
5
1
1
1
1
1
1
J
F
A
A
P
F
K
B
5
0
6
8
2
5
5
S
1
2
1
1
1
L
2
V
L
L
L
L
L
_
L
L
_
_
_
_
_
4
_
_
4
9
3
7
L
1
4
1
1
1
1
1
_
1
2
L
L
L
L
L
3
L
L
_
_
_
_
_
L
_
_
0
_
2
3
D
D
D
D
L
L
2
D
_
D
D
D
D
_
L
D
V
D
V
V
V
_
D
V
D
D
D
V
D
V
V
C566
XTAL_32.768KHZ_IN
1
2
C567
XTAL_32.768KHZ_OUT
OSC501
8-7
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Level3Repair
8-3-2.
Initial
Initial Failure
Yes
nON_SW(L400)
High→Low"
and PON_RESET_N_PMIC(D400)
There is
="
Low→High"?
="
KHz wave forms
32.768
at OSC501
R517
>= 1.8
Yes
Yes
V?
Yes
No
if U807 has some problem, it is to be replaced)
(
No
No
Check UCP400 and related parts(short, crack,
Check U501(crack, open, etc)
Replace OSC501
etc)
There are
LCD display OK?
MHz wave forms
19.2
at OSC500
Yes
Yes
Sound is OK?
Yes
END
No
No
No
Replace OSC500
Check the LCD part(short, crack, etc)
Check the Audio Part(short, crack, etc)
8-8
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CON400
2
Level3Repair
1
1
2
L400
ZD400
nON_SW
UCP400-1
U501
C
F
D
U
P
A
B
C
2
4
O
3
1
0
O
O
S
N
S
X
S
S
S
X
X
_
_
_
_
_
_
_
_
_
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
0
9
7
8
1
K
K
K
J
C
C
G
G
G
G
G
N
G
G
G
N
G
G
6
6
5
5
0
6
7
8
7
6
1
1
1
1
1
1
2
1
T
H
G
G
J
T
D
A
K
M
XTAL_19M_IN
XTAL_32K_IN
XTAL_19M_OUT
XTAL_32K_OUT
U_PA_ON0
U_PA_ON1
U_PA_ON2
U_PA_ON3
G_PA_ON0
G_PA_ON1
VPH_PWR
VPH_PWR
HSED_BIAS0
HSED_BIAS1
HSED_BIAS2
PM_INT_MDM_N
PM_INT_SEC_N
PM_INT_USR_N
OVP_CLAMP
OVP_CTL
OVP_SNS
NCP_CTC1
NCP_CTC2
VREG_NCP
NFC_EXT_EN
REF_BYP
REF_GND
XOADC_REF
VREF_THERM
PS_HOLD
PON_RESET_N
RESIN_N
SLEEP_CLK0
W33
I_OUT_P
TX_IP
AN26
LPA_XTAL_IN
LPA_XTAL_24MHZ_IN
AN27
LPA_XTAL_OUT
LPA_XTAL_24MHZ_OUT
AM23
MDDI_HC_DATA0_N
AM22
MDDI_HC_DATA0_P
AN23
MDDI_HC_DATA1_N
AN22
MDDI_HC_DATA1_P
AL23
MDDI_HC_STB_N
AL22
MDDI_HC_STB_P
AM21
MDDI_P_DATA0_N
AM20
MDDI_P_DATA0_P
AN21
MDDI_P_DATA1_N
AN20
MDDI_P_DATA1_P
AL21
MDDI_P_STB_N
AL20
MDDI_P_STB_P
B28
MODE_0
A28
MODE_1
E28
MODE_2
E27
MODE_3
AJ18
MPM_GPIO_1|TCXO_EN
AL19
MPM_GPIO_2|SSBI_PMIC
T32
PA_DAC_OUT
U32
PA_DAC_REF
Y33
PA_RANGE0
AA31
PA_RANGE1
K31
PRX_CLK
H33
Q_IM_CH0
K33
Q_IM_CH1
J33
Q_IP_CH0
L33
Q_IP_CH1
U33
Q_OUT_N
T33
Q_OUT_P
C11
RESIN_N
AD5
RESOUT_1P8_N
D2
RSVD
D31
RSVD
AJ20
RSVD
AJ21
RSVD
AM11
RSVD
AM12
RSVD
A2
XTAL_19.2MHZ_IN
A8
XTAL_32.768KHZ_IN
A3
XTAL_19.2MHZ_OUT
A7
XTAL_32.768KHZ_OUT
N5
PA_ON_W2100
N4
PA_ON_W1900
M5
M4
N6
HB_EN
L5
LB_EN
R12
T12
N11
N9
N10
E13
E11
E12
N12
M13
N13
T7
T5
R6
NCP_FB
T8
B15
D13
G10
G2
M12
D12
E15
B14
D11
SSBI
C15
PM_INT_MDM_N
PM_INT_SEC_N
PM_INT_USR_N
R517
R518
TP_SSBI_PMIC
R429
1PS79SB10D400
TCXO_EN
SSBI_PMIC
PA_R0
PA_R1
RX_QM
RX_QP
TX_QM
TX_QP
PON_RESET_N_PMIC
MSM_nRESETOUT_1.8V
VREG_1.8V
JTAG_PS_HOLD
PS_HOLD_MSM
PON_RESET_N_
RESIN_N
SSBI_PMIC
SLEEP_CLK0
BT_WIFI_FM_CL
nON_SW
XTAL_32.768KHZ_IN
XTAL_19.2MHZ_IN
C566
1
2
C567
XTAL_19.2MHZ_OUT
OSC500
3
2
1
4
XTAL_32.768KHZ_OUT
OSC501
8-9
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Level3Repair
8-3-3.
Charging Part
Check IFC500 pin
Abnormal charging part
Yes
After the TA connection,
>4.9V
Check U501 VCHG(C512)
=5V
Yes
Yes
#1 (
C558)
No
No
Check the TA
TA may not be connected properly)
(
Resolder or Replace U506
Is the battery charged?
Yes
END
No
Resolder or Replace U501
8-10
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Level3Repair
IFC500
V_BAT
V_BUS
VUSB_5V
VREG_1.8V
R520
JTAG_V_BUS_5V
ZD500
TA502
V_BUS
8
0
5
L
C553
C552
R525
JTAG_USB_ID
R526
R527
6
1
VBUS
DM
2
5
C558
DP
NC
4
3
NC
USB_ID
D
N
G
U505
7
USB_ID
USB_DP
USB_DM
IF_TXD2_3.0V
IF_RXD2_3.0V
IF_TXD_3.0V
IF_RXD_3.0V
CP_D+
CP_D-
JTAG_TXD
JTAG_RXD
R528
R529
R530
R531
B1
DP_HOST
DM_HOSTC1I2C_SCL
D2
ID_BYPASS
B3
AUDIO_L
AUDIO_RC4DP_CON
MICB4DM_CON
D4
VIDEO
C3
V_AUDIO_L
D3
V_AUDIO_R
TXDE2BOOT
E1
RXD
C554
C555
1
5
4
2
D
A
A
A
U506
T
T
N
O
I
I
A
U
_
D
B
O
S
D
_
V
U
V
S
B
U
V
B
V
C2
B2
I2C_SDA
D5
ID_CON
C5
B5
A1
INTB
A3
CHG_DET
E4
JIG
E3
D
C
C
N
N
N
G
5
2
1
E
R532
USB_SCL_1.8V
USB_SDA_1.8V
USB_ID
USB_DP
USB_DM
JACK_nINT_1.8V
TA_CURRENT_SEL
IF_CON_nSENSE
JTAG_IF_CON_SENS
BOOT_MODE_1.8V
V_BAT
13
NC
12
NC
11
NC
10
NC
9
NC
8
NC
7
S2
6
S1
5
5
4
4
3
3
2
2
1
1
R504
BAT_FET_N
VF
KBR(0)
KBR(1)
KBR(2)
KBC(0)
KBC(1)
TA_CURRENT_SEL
MSM_TXD_1.8V
MSM_RXD_1.8V
SD_PWR_EN_N
OLED_DET_2.8V
MSM_TXD2_1.8V
MSM_RXD2_1.8V
EARPATH_SEL
nON_SW
IF_TXD_3.0V
IF_RXD_3.0V
SIM_MRST
SIM_RST
SIM_MCLK
SIM_CLK
IF_TXD2_3.0V
IF_RXD2_3.0V
VUSB_5V
C512
R506 0603
100
0603100R507
0603100R508
VREG_ADC_2.2V
R503
B5
KYPD_SNS1|GPIO_01
B6
KYPD_SNS2|GPIO_02
E2
KYPD_SNS3|GPIO_03
J2
KYPD_SNS4|GPIO_04
F2
KYPD_SNS5|GPIO_05
K5
KYPD_SNS6|GPIO_06
H2
KYPD_SNS7|GPIO_07
K4
KYPD_SNS8|GPIO_08
L2
KYPD_DRV1|GPIO_09
R4
KYPD_DRV2|GPIO_10
K2
KYPD_DRV3|GPIO_11
M6
KYPD_DRV4|GPIO_12
M2
KYPD_DRV5|GPIO_13
M7
KYPD_DRV6|GPIO_14
N8
KYPD_DRV7|GPIO_15
M9
KYPD_DRV8|GPIO_16
N7
KYPD_DRV9|GPIO_17
M11
KYPD_DRV10|GPIO_18
M10
KYPD_DRV11|GPIO_19
N2
KYPD_DRV12|GPIO_20
B4
UART_TX1|KYPD_DRV13|GPIO_21
D2
UART_TX2|KYPD_DRV14|GPIO_22
E6
UART_TX3|KYPD_DRV15|GPIO_23
E7
KYPD_DRV16|LPG_DRV1|GPIO_24
E8
KYPD_DRV17|LPG_DRV2|GPIO_25
D9
KYPD_DRV18|LPG_DRV3|GPIO_26
E9
GPIO_27|UIM_M_RST
E5
UIM_RST|GPIO_28
F5
LPA_MODE|EBOOT_M_TX|UIM_M_CLK|GPIO_29
F4
UIM_CLK|GPIO_30
G4
GPIO_31|EBOOT_TX
G5
GPIO_32|EBOOT_RX
E10
UART_RX1|UPL_IN1|GPIO_33
H4
UART_RX2|UPL_IN2|GPIO_34
H5
UPL_IN3|UART_RX3|GPIO_35
K12
UPL_IN4|UART_M_TX|GPIO_36
L12
UART_M_RX|UPL_OUT|GPIO_37
J5
SLEEP_CLK1|GPIO_38
J4
MP3_CLK|SLEEP_CLK2|GPIO_39
M8
EXT_SMPS_EN|GPIO_40
C510
0
0
2
3
1
1
J
J
8
0
_
P
P
M
|
D
I
_
T
T
A
B
2
1
1
5
8
7
R
7
N
0
_
_
T
P
E
P
F
_
M
|
T
M
A
B
R
E
H
T
_
T
T
A
B
8
3
1
1
1
T
P
R
B
R
M
T
R
B
8
2
0
9
1
T
N
G
G
I
L
2
L
1
2
A
H
H
L
_
L
L
_
O
B
C
C
_
_
_
D
D
C
V
V
V
D
D
D
D
V
D
D
D
D
V
V
V
V
V
6
5
5
1
6
2
1
1
5
1
1
1
1
1
1
J
F
A
R
A
F
P
B
K
B
5
0
7
6
8
5
2
5
S
1
2
L
1
1
2
1
L
V
L
L
_
L
L
L
L
_
L
_
_
6
_
_
_
_
4
_
4
9
3
7
L
4
1
L
1
1
1
_
1
1
2
1
_
L
L
L
L
L
L
L
3
D
_
_
_
_
_
_
_
L
0
D
3
2
_
D
D
D
D
L
V
2
L
D
_
D
D
D
D
L
_
D
V
D
V
V
V
_
D
V
D
D
D
V
D
V
V
U501
8-11
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
![](/html/9b/9b31/9b319cafd17ef13a85363a79ce367b0bdf56854e6dc1dd29b06f946184ba6812/bgc.png)
Level3Repair
8-3-4.
Sim Part
Insert SIM card,
Can't recognize SIM
Yes
Check the connection of the
After insertingaSIM card,
VREG_USIM_1.8V(C527)
HEA300
Yes
Check
=1.8Vor3.0V
Yes
No
No
Reconnect the Sub PCB
Change other SIM card or Sub PCB
Is the SIM recognized
Yes
END
?
No
Resolder or Replace U501
8-12
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
![](/html/9b/9b31/9b319cafd17ef13a85363a79ce367b0bdf56854e6dc1dd29b06f946184ba6812/bgd.png)
VREG_SD_2.85V
Level3Repair
T_FLASH_DETECT
SPK_OUT_P
SPK_OUT_N
VREG_1.8V VREG_USIM_1.8V
R300
SD_PWR_EN_N
R301
V300
C302
V303V302
Q300
S
D
3
2
1
G
L301
C303
C300
HEA300
1
2
1
334
56
5
6
778
9
9
10
111112L300
13 13 1414
1515 1616
C
C
C
C
N
N
N
N
7
0
8
9
1
2
1
1
2
4
8
10
12
V304V301
VREG_USIM_1.8V
LDO3
V305
V306
VREG_MOVI_2.85V
LDO5
VREG_USB_3.0V
LDO6
VREG_USB_1.8V
LDO7
T_FLASH_D(1)T_FLASH_D(0)
T_FLASH_D(3)T_FLASH_D(2)
T_FLASH_CLKT_FLASH_CMD
SIM_RST
SIM_CLK
SIM_IO
VREG1_2.8V
LDO8
VREG_MSMA_2.05V
LDO9
C524
C527C525 C530 C531C528
C529C526
8-13
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
C532
C533
![](/html/9b/9b31/9b319cafd17ef13a85363a79ce367b0bdf56854e6dc1dd29b06f946184ba6812/bge.png)
Level3Repair
BAT_FET_N
L503
L504
L505
L506
L507
R504
VF
KBR(0)
KBR(1)
KBR(2)
KBC(0)
KBC(1)
TA_CURRENT_SEL
EARPATH_SEL
MSM_TXD_1.8V
IF_TXD_3.0V
IF_RXD_3.0V
MSM_RXD_1.8V
SD_PWR_EN_N
OLED_DET_2.8V
MSM_TXD2_1.8V
IF_TXD2_3.0V
IF_RXD2_3.0V
MSM_RXD2_1.8V
nON_SW
SIM_MRST
SIM_RST
SIM_MCLK
SIM_CLK
R517
F16
SIM_MIO
SIM_IO
ALS_IOUT
EAR_ADC_3.5
IF_CON_nSENSE
nON_SW
R513
R514
R515
XO_QTR
TCXO_INPUT
TCXO_EN
XTAL_19.2MHZ_IN
XTAL_32.768KHZ_IN
XTAL_19.2MHZ_OUT
XTAL_32.768KHZ_OUT
PA_ON_W2100
PA_ON_W1900
HB_EN
LB_EN
PM_INT_MDM_N
PM_INT_SEC_N
PM_INT_USR_N
TP_SSBI_PMIC
R518
VPH_PWR
G16
C513
A13
C514
VPH_PWR
JTAG_PS_HOLD
PS_HOLD_MSM
PON_RESET_N_PMI
RESIN_N
SSBI_PMIC
SLEEP_CLK0
BT_WIFI_FM_CLK32
nON_SW
C515
VREG_ADC_2.2V
VUSB_5V
C512
R503
C518
0603100
0603100R507
0603100R508
KYPD_SNS1|GPIO_01
B6
KYPD_SNS2|GPIO_02
E2
KYPD_SNS3|GPIO_03
J2
KYPD_SNS4|GPIO_04
F2
KYPD_SNS5|GPIO_05
K5
KYPD_SNS6|GPIO_06
H2
KYPD_SNS7|GPIO_07
K4
KYPD_SNS8|GPIO_08
L2
KYPD_DRV1|GPIO_09
R4
KYPD_DRV2|GPIO_10
K2
KYPD_DRV3|GPIO_11
M6
KYPD_DRV4|GPIO_12
M2
KYPD_DRV5|GPIO_13
M7
KYPD_DRV6|GPIO_14
N8
KYPD_DRV7|GPIO_15
M9
KYPD_DRV8|GPIO_16
N7
KYPD_DRV9|GPIO_17
M11
KYPD_DRV10|GPIO_18
M10
KYPD_DRV11|GPIO_19
N2
KYPD_DRV12|GPIO_20
B4
UART_TX1|KYPD_DRV13|GPIO_21
D2
UART_TX2|KYPD_DRV14|GPIO_22
E6
UART_TX3|KYPD_DRV15|GPIO_23
E7
KYPD_DRV16|LPG_DRV1|GPIO_24
E8
KYPD_DRV17|LPG_DRV2|GPIO_25
D9
KYPD_DRV18|LPG_DRV3|GPIO_26
E9
GPIO_27|UIM_M_RST
E5
UIM_RST|GPIO_28
F5
LPA_MODE|EBOOT_M_TX|UIM_M_CLK|GPIO_29
F4
UIM_CLK|GPIO_30
G4
GPIO_31|EBOOT_TX
G5
GPIO_32|EBOOT_RX
E10
UART_RX1|UPL_IN1|GPIO_33
H4
UART_RX2|UPL_IN2|GPIO_34
H5
UPL_IN3|UART_RX3|GPIO_35
K12
UPL_IN4|UART_M_TX|GPIO_36
L12
UART_M_RX|UPL_OUT|GPIO_37
J5
SLEEP_CLK1|GPIO_38
J4
MP3_CLK|SLEEP_CLK2|GPIO_39
M8
EXT_SMPS_EN|GPIO_40
A10
VREG_L0
A11
VREG_L1
E1
VREG_L2
C1
VREG_L3
C2
VREG_L4
B1
VREG_L5
R3
VREG_L6
P2
VREG_L7
L1
VREG_L8
N1
VREG_L9
T2
VREG_L10
D1
VREG_L11
G1
VREG_L12
C16
VREG_L13
H1
VREG_L14
K1
VREG_L15
A16
VREG_L16
A6
VREG_L17
A4
VREG_L18
L15
VREG_L19
M15
VREG_L20
A12
VREG_L21
A9
VREG_L22
T16
VREG_L23
N16
VREG_L24
R16
VREG_L25
N15
VREG_S0
R13
VREG_S1
B13
VREG_S2
G15
VREG_S3
D15
VREG_S4
L16
VSW_S0
T14
VSW_S1
A14
VSW_S2
H16
VSW_S3
E16
VSW_S4
E
T
H
A
T
_
B
T
T
A
B
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
0
9
8
9
7
8
9
1
J
J
J
G
H
H
H
R506
0
2
0
3
2
1
8
5
7
1
3
1
1
1
1
1
T
P
R
R
R
M
J
J
B
T
R
7
0
8
9
8
N
T
G
G
N
I
0
1
L
L
0
_
A
H
H
_
L
_
_
_
O
T
B
C
C
_
P
P
D
D
C
E
V
V
V
D
P
P
V
D
D
F
D
_
V
V
M
M
|
|
T
V
D
M
A
I
R
B
_
B5
T
6
5
2
5
8
1
1
1
J
R
B
A
K
B
1
2
7
8
6
5
2
2
L
1
1
1
L
L
_
L
L
L
_
_
6
_
_
_
L
7
3
4
D
D
_
1
1
1
D
D
L
L
L
D
V
V
_
_
_
D
D
D
D
V
D
D
D
V
V
V
U501
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
0
0
9
7
6
8
1
1
T
K
K
K
J
K
6
1
6
0
3
6
6
3
5
1
4
9
1
4
1
1
1
1
1
1
1
1
1
L
F
T
B
A
B
F
T
P
F
B
A
K
G
4
1
2
3
0
1
0
P
L
O
0
2
5
5
S
I
S
S
S
S
S
2
S
T
S
1
2
L
C
V
_
_
_
_
_
_
L
L
L
_
V
V
C
L
N
_
_
M
_
4
D
D
D
D
D
L
L
_
_
_
9
1
4
L
_
_
S
1
D
D
D
D
D
A
D
1
1
2
_
T
T
L
V
V
V
V
V
P
M
L
L
L
3
D
_
U
U
_
_
_
_
_
L
0
V
T
2
O
3
O
_
D
D
L
L
2
U
V
V
_
D
D
D
_
L
O
D
V
D
V
_
D
V
V
D
D
D
V
D
V
V
P
C
1
0
4
2
3
S
S
S
S
S
N
_
_
_
_
_
_
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
6
6
5
5
6
7
1
1
1
1
1
G
J
T
D
A
M
F12
EBOOT_M_RX|UIM_M_DATA|MPP_01
F13
UIM_DATA|MPP_02
G12
CDMA_HDET|MPP_03
G13
IR_PROX_RX|ALS|MPP_04
H12
JOYSTICK_A|MPP_05
H13
CHG2_DET|VREF_OUT|MPP_06
K13
XO_THERM|MPP_09
L13
PA_THERM|MPP_10
R15
CBLPWR0_N|MPP_11
P15
CBLPWR1_N|MPP_12
T11
LED_DRV0_N
T9
LED_DRV1_N|FLASH_DRV0_N
R9
LED_DRV2_N|FLASH_DRV1_N
R11
LED_ATC
R1
KYPD_DRV_N
D10
KYPD_PWR_N
T1
VIB_DRV_N
R14
OPT_1
J15
OPT_2
H15
OPT_3
D8
XO_OUT_A0
B7
XO_OUT_A0_EN
D7
XO_OUT_A1
D6
XO_OUT_A1_EN
D5
XO_OUT_D0
B3
XO_OUT_D0_EN
E4
XO_OUT_D1
B2
XO_OUT_D1_EN|PA_ON
A2
XTAL_19M_IN
A8
XTAL_32K_IN
A3
XTAL_19M_OUT
A7
XTAL_32K_OUT
N5
U_PA_ON0
N4
U_PA_ON1
M5
U_PA_ON2
M4
U_PA_ON3
N6
G_PA_ON0
L5
G_PA_ON1
R12
VPH_PWR
T12
VPH_PWR
N11
HSED_BIAS0
N9
HSED_BIAS1
N10
HSED_BIAS2
E13
PM_INT_MDM_N
E11
PM_INT_SEC_N
E12
PM_INT_USR_N
N12
OVP_CLAMP
M13
OVP_CTL
N13
OVP_SNS
T7
NCP_CTC1
T5
NCP_CTC2
R6
NCP_FB
T8
VREG_NCP
B15
NFC_EXT_EN
D13
REF_BYP
G10
REF_GND
G2
XOADC_REF
M12
VREF_THERM
D12
PS_HOLD
E15
PON_RESET_N
B14
RESIN_N
D11
SSBI
C15
SLEEP_CLK0
F
C
U
D
B
A
O
O
O
X
X
X
_
_
_
D
D
D
N
N
N
C
C
G
G
G
N
N
8
7
1
2
G
H
8-14
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
![](/html/9b/9b31/9b319cafd17ef13a85363a79ce367b0bdf56854e6dc1dd29b06f946184ba6812/bgf.png)
Level3Repair
8-3-4
T-Flash
Insert T-Flash card
Can't recognize T-Flash
Yes
Check the connection of the
After insertingaT-Flash card,
T_FLASH_DETECT(V300)
HEA300
Yes
Check
=0V
Yes
No
No
Reconnect the Sub PCB
Change Sub PCB
Is the T-Flash recognized
Yes
END
?
No
Resolder or Replace U501
8-15
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
![](/html/9b/9b31/9b319cafd17ef13a85363a79ce367b0bdf56854e6dc1dd29b06f946184ba6812/bg10.png)
Level3Repair
VREG_SD_2.85V
T_FLASH_DETECT
SPK_OUT_P
SPK_OUT_N
R300
S
VREG_1.8V VREG_USIM_1.8V
SD_PWR_EN_N
R301
V300
C302
V303V302
D
3
2
1
G
C300
HEA300
2
1
2
1
4
334
56
5
6
8
778
10
9
10
9
12
111112L300
L301
C303
13 13 1414
1515 1616
C
C
C
N
N
N
7
8
9
1
1
1
C
N
0
2
V305
V306
V304V301
R504
BAT_FET_N
KBR(0)
KBR(1)
KBR(2)
KBC(0)
KBC(1)
TA_CURRENT_SEL
Q300
VF
EARPATH_SEL
nON_SW
MSM_TXD_1.8V
IF_TXD_3.0V
IF_RXD_3.0V
MSM_RXD_1.8V
SD_PWR_EN_N
OLED_DET_2.8V
SIM_MRST
SIM_RST
SIM_MCLK
SIM_CLK
MSM_TXD2_1.8V
IF_TXD2_3.0V
IF_RXD2_3.0V
MSM_RXD2_1.8V
T_FLASH_D(1)T_FLASH_D(0)
T_FLASH_D(3)T_FLASH_D(2)
T_FLASH_CLKT_FLASH_CMD
SIM_RST
SIM_CLK
SIM_IO
R517
VPH_PWR
F16
SIM_MIO
SIM_IO
ALS_IOUT
EAR_ADC_3.5
IF_CON_nSENSE
nON_SW
R513
R514
R515
XO_QTR
TCXO_INPUT
TCXO_EN
XTAL_19.2MHZ_IN
XTAL_32.768KHZ_IN
XTAL_19.2MHZ_OUT
XTAL_32.768KHZ_OUT
PA_ON_W2100
PA_ON_W1900
HB_EN
LB_EN
PM_INT_MDM_N
PM_INT_SEC_N
PM_INT_USR_N
TP_SSBI_PMIC
R518
C513
G16
C514
VPH_PWR
JTAG_PS_HOLD
PS_HOLD_MSM
PON_RESET_N_P
RESIN_N
SSBI_PMIC
SLEEP_CLK0
BT_WIFI_FM_CLK
nON_SW
A13
C515
VREG_ADC_2.2V
VUSB_5V
C512
R503
C518
5
6
2
1
8
5
1
1
1
J
A
R
B
A
K
B
2
1
5
7
8
0
6
2
2
1
L
1
2
1
L
L
L
_
L
L
L
_
_
_
6
_
_
_
4
L
7
9
3
D
D
1
_
1
1
1
D
D
L
L
L
L
D
V
V
_
_
_
_
D
D
D
D
D
V
D
D
D
D
V
V
V
V
U501
P
C
N
_
D
D
D
D
D
D
D
N
N
N
N
N
N
N
G
G
G
G
G
G
G
6
0
0
8
6
7
9
1
1
1
T
K
K
K
J
K
M
6
6
6
3
6
3
5
0
1
4
1
9
4
1
1
1
1
1
1
1
1
1
T
L
F
B
F
T
F
K
P
B
A
B
G
0
4
1
2
3
0
1
P
L
5
2
5
O
S
I
S
S
S
S
S
2
S
1
T
S
L
C
V
_
_
_
_
_
_
L
L
_
V
V
C
L
N
_
_
4
M
L
D
D
D
D
L
D
_
_
_
4
1
L
_
_
S
1
D
D
D
D
A
D
D
2
1
_
T
T
L
V
V
V
V
P
V
M
L
L
3
D
_
U
U
_
_
_
_
L
V
0
T
3
O
2
O
_
D
L
2
L
U
V
V
D
D
_
L
_
O
V
D
D
_
D
V
V
D
D
D
V
D
V
V
4
3
1
0
2
S
S
S
S
S
_
_
_
_
_
D
D
D
D
D
N
N
N
N
N
G
G
G
G
G
6
5
5
6
1
1
1
1
T
J
D
A
O
X
_
D
N
G
7
G
7
H
F
C
U
D
B
A
O
O
X
X
_
_
D
D
N
N
G
G
8
G
EBOOT_M_RX|UIM_M_DATA|MPP_01
CHG2_DET|VREF_OUT|MPP_06
LED_DRV1_N|FLASH_DRV0_N
LED_DRV2_N|FLASH_DRV1_N
C
C
N
N
2
1
UIM_DATA|MPP_02
CDMA_HDET|MPP_03
IR_PROX_RX|ALS|MPP_04
JOYSTICK_A|MPP_05
XO_THERM|MPP_09
PA_THERM|MPP_10
CBLPWR0_N|MPP_11
CBLPWR1_N|MPP_12
KYPD_DRV_N
KYPD_PWR_N
XO_OUT_A0_EN
XO_OUT_A1_EN
XO_OUT_D0_EN
XO_OUT_D1_EN|PA_ON
XTAL_19M_IN
XTAL_32K_IN
XTAL_19M_OUT
XTAL_32K_OUT
PM_INT_MDM_N
PM_INT_SEC_N
PM_INT_USR_N
VREF_THERM
PON_RESET_N
F12
F13
G12
G13
H12
H13
K13
L13
R15
P15
T11
LED_DRV0_N
T9
R9
R11
LED_ATC
R1
D10
T1
VIB_DRV_N
R14
OPT_1
J15
OPT_2
H15
OPT_3
D8
XO_OUT_A0
B7
D7
XO_OUT_A1
D6
D5
XO_OUT_D0
B3
E4
XO_OUT_D1
B2
A2
A8
A3
A7
N5
U_PA_ON0
N4
U_PA_ON1
M5
U_PA_ON2
M4
U_PA_ON3
N6
G_PA_ON0
L5
G_PA_ON1
R12
VPH_PWR
T12
VPH_PWR
N11
HSED_BIAS0
N9
HSED_BIAS1
N10
HSED_BIAS2
E13
E11
E12
N12
OVP_CLAMP
M13
OVP_CTL
N13
OVP_SNS
T7
NCP_CTC1
T5
NCP_CTC2
R6
NCP_FB
T8
VREG_NCP
B15
NFC_EXT_EN
D13
REF_BYP
G10
REF_GND
G2
XOADC_REF
M12
D12
PS_HOLD
E15
B14
RESIN_N
D11
SSBI
C15
SLEEP_CLK0
0
0
2
2
3
1
8
7
3
1
5
1
1
1
1
1
T
P
R
R
R
M
J
T
J
R
B
8
0
9
8
N
T
7
G
G
N
I
L
1
L
0
0
_
A
H
H
_
L
_
O
_
_
T
B
C
C
_
D
D
P
C
P
E
V
V
V
D
P
D
D
V
P
F
D
_
V
V
M
M
|
|
V
T
D
M
A
I
B
_
R
B5
T
E
0603100
R506
0603100R507
0603100R508
M11
M10
K12
A10
A11
C16
A16
M15
A12
N16
R16
N15
R13
B13
G15
D15
A14
H16
KYPD_SNS1|GPIO_01
B6
KYPD_SNS2|GPIO_02
E2
KYPD_SNS3|GPIO_03
J2
KYPD_SNS4|GPIO_04
F2
KYPD_SNS5|GPIO_05
K5
KYPD_SNS6|GPIO_06
H2
KYPD_SNS7|GPIO_07
K4
KYPD_SNS8|GPIO_08
L2
KYPD_DRV1|GPIO_09
R4
KYPD_DRV2|GPIO_10
K2
KYPD_DRV3|GPIO_11
M6
KYPD_DRV4|GPIO_12
M2
KYPD_DRV5|GPIO_13
M7
KYPD_DRV6|GPIO_14
N8
KYPD_DRV7|GPIO_15
M9
KYPD_DRV8|GPIO_16
N7
KYPD_DRV9|GPIO_17
KYPD_DRV10|GPIO_18
KYPD_DRV11|GPIO_19
N2
KYPD_DRV12|GPIO_20
B4
UART_TX1|KYPD_DRV13|GPIO_21
D2
UART_TX2|KYPD_DRV14|GPIO_22
E6
UART_TX3|KYPD_DRV15|GPIO_23
E7
KYPD_DRV16|LPG_DRV1|GPIO_24
E8
KYPD_DRV17|LPG_DRV2|GPIO_25
D9
KYPD_DRV18|LPG_DRV3|GPIO_26
E9
GPIO_27|UIM_M_RST
E5
UIM_RST|GPIO_28
F5
LPA_MODE|EBOOT_M_TX|UIM_M_CLK|GPIO_29
F4
UIM_CLK|GPIO_30
G4
GPIO_31|EBOOT_TX
G5
GPIO_32|EBOOT_RX
E10
UART_RX1|UPL_IN1|GPIO_33
H4
UART_RX2|UPL_IN2|GPIO_34
H5
UPL_IN3|UART_RX3|GPIO_35
UPL_IN4|UART_M_TX|GPIO_36
L12
UART_M_RX|UPL_OUT|GPIO_37
J5
SLEEP_CLK1|GPIO_38
J4
MP3_CLK|SLEEP_CLK2|GPIO_39
M8
EXT_SMPS_EN|GPIO_40
VREG_L0
VREG_L1
E1
VREG_L2
C1
VREG_L3
C2
VREG_L4
B1
VREG_L5
R3
VREG_L6
P2
VREG_L7
L1
VREG_L8
N1
VREG_L9
T2
VREG_L10
D1
VREG_L11
G1
VREG_L12
VREG_L13
H1
VREG_L14
K1
VREG_L15
VREG_L16
A6
VREG_L17
A4
VREG_L18
L15
VREG_L19
VREG_L20
VREG_L21
A9
VREG_L22
T16
VREG_L23
VREG_L24
VREG_L25
VREG_S0
VREG_S1
VREG_S2
VREG_S3
VREG_S4
L16
VSW_S0
T14
VSW_S1
VSW_S2
VSW_S3
E16
VSW_S4
T
H
A
T
B
_
T
T
A
B
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
0
9
8
9
9
8
7
1
J
J
J
H
H
G
H
L503
L504
L505
L506
L507
8-16
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Level3Repair
8-3-5.
Microphone Part
Check main microphone function
in voice call receiver mode
Check the voltage at C637
Check component soldering
statuses of C600, C602,
2.8V
L613,L614
Yes
Yes
Yes
=
No
No
Resolder or replace C637
Resolder or replace C600, C602, L613, L614
Check the connection of
Touch-key Module breakdown?
HEA600
Yes
END
No
Reconnect HEA600
No
Change Touck-key Module
8-17
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Level3Repair
CAM_EN3
MIC_BIAS_EN
MICBIAS_LDO_2.8V
VPH_PWR
CAM_SENSOR_IO_1.8
U606
R627
1
8
VOUT1
CE1
2
GND
7
VDD
3
6
VOUT2
CE2
4
5
NC
NC
R630
GND
9
C636
C637
C638
MAIN_MICP MAIN_MIC_
MAIN_MICN
L613
L614
R609
C661
C662
C600
C602
MAIN_MIC_
HOME_KEY
3TOUCH_SCL_1.8V
MOTOR_P
MOTOR_N
n_SW_ANT_MODE
SW_ANT_MODE
MICBIAS_LDO_2.8V
R628
R629
3_TOUCH_VDD3.0V
HEA600
33 44
55 66
77 88
91110 10
9
11 11 1212
131314
16
15
15
C
C
C
N
N
N
9
8
7
1
1
1
22
C
N
0
2
14
16
3_TOUCH_VDD1.8V
ZD606
R624
3TOUCH_SDA_1.8
3TOUCH_INT_1.8V
MAIN_MICN
MAIN_MICP
8-18
SAMSUNG Proprietary-Contents may change without notice
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Level3Repair
8-3-6.
Speaker Part
Play MP3 with maximum volume level.
Check speaker function.
Yes
Check signals on
C620, C621
Yes
Check signals on
L300, L301
Yes
No
Resolder or replace C620, C621
No
Resolder or replace L300, L301
Check the connection of
HEA300
Yes
SPK module breakdown?
Yes
END
No
No
Reconnect HEA300
Change SPK module
8-19
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Level3Repair
EAROUT_R
EAROUT_L
SPK_OUT_P
SPK_OUT_N
AMP_SDA_1.8V
AMP_SCL_1.8V
C630 C631
C623
A1
A2
C5
D5
B5
A3
A4
A5
B2
B3
U602
HPOUTR
HPOUTL
SPOUT+
SPOUT-
REFCP+
REFCP-
CP+
CP-
SDA
SCL
VREG_1.8V
L615
VPH_PWR
C618
C619
B4
AVDD
SPVDD
LIN1
RIN1
LIN2
RIN2
SPGND
GND
VREF
GND
NC
NC
C620
D4
C621
C1
C2
D1
D2
C4
C622
B1
C624
C3
D3
1
2
SPK_L
SPK_R
EARSPK_L
EARSPK_R
C632
T_FLASH_D(0)
T_FLASH_D(2)
T_FLASH_CMD
T_FLASH_DETECT
SPK_OUT_P
SPK_OUT_N
R301
L301
C302
V300
V303V302
V301
C303
HEA300
2
1
2
1
4
334
56
5
6
8
778
9
10
9
10
12
111112L300
13 13 14
14
1515 1616
C
C
C
C
N
N
N
N
9
8
7
0
1
1
1
2
8-20
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Level3Repair
8-3-7.
Receiver Part
Check receiver function in voice call
receiver mode
Yes
Check the voltage at L307
Check the signals at R617,
Check the signals at L610,
2.2V
Yes
R618
Yes
L611
=
No
No
No
Resolder or replace L307
Resolder or replace R617, R618
Resolder or replace L610, L611
Yes
Check the connection of
HDC600
Yes
RCV_Earjack module
breakdown?
Yes
END
No
No
Reconnect HDC600
Change RCV_Earjack module
8-21
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization