Level
8.
Block Diagram
8-1.
Repair
3
3M FF CAM
TSP
CAM CON.
VCAM_CORE_1.2V
VCAM_A_2.8V/VCAM_IO_1.8V
CAM LDO
CAM LDO
CAM(0:7)/CAM_SDA
CAM_SCL/RST/MCLK
VBAT
CAM_VSYNC/HSYNC/PCLK
VBAT
TSP_INT
TSP_SCL
TSP_SDA
CAM_PWR_EN
VDD_IO1_1.8V
VBAT
EARJACK
EAR MIC
Load Switch
VBUS_5V_IN
8985_USB_DM/DP
TSP CON.
VTOUCH_2.9V
VBAT
UART1_TXD,USB_DSDS_SCL
MOTOR
MICRO USB CONN.
ONKEY_N
VMOT_3.3V
USB_ID
USB IC
RST_MAX8985
USB_SW_DET
UART1_RXD,CHAR_ADC
USB_DM_BB/DP_BB,USB_DSDS_SDA
POWER KEY
HOME KEY
KEY_COL(0)
KEY_ROW(0)
BB
VOL_DN
VOL_UP
KEY_COL(1)
KEY_ROW(5)
PMB8815
Comparator
SENSOR LDO VBATLEDA _3.0V ,PS_2 .8VPROX. SENSOR
PROX_EN
PS_SCL
PS_VOUT
VDD_IO1_1.8V
EAR_KEY/3.5_DET
VBAT
VDD_1.8V
EAR_SW/ADC/DETECT
PS_SDA
EAR_MIC
FM_ANT
EAR_L/R
TR
EAR AMP
FM_LN A_SW
FM_LN A_OUT
EAR_SPK_L/R
EAR_AMP_EN
MAIN MIC
V_EARMIC
V_MIC_2.2V
MIC_BB_P/N
AUX_MIC_P/N
RCV
SPK
SPK_P/N
RCV_P/N
GGTT--SS55222222BBLLOOCCKKDDIIAAGGRRAAMM
LB_RX_P/N
HB_RX_P/N
WLAN_PWR_EN
VBAT
SAW Filter
GSM850_DCS1800_RXVBAT
GSM900_PCS1900_RX
VDD_1.8V
LB_TX , HB _TX
BS1,BS2,RAMP,TX_EN
BT_REQ_CLK,PCM_RXD,PCM_SYNC,PCM_CLK
PAM
RFS
BT
VDD_IO1_1.8V
WLA N_SPI_M ISO
PCM_TXD,UART3_TXD_BT
UART3_RXD_BT,BT_RST,BT_CLK_32KHZ,CLK26M_BT
WLAN_ACTIVE
BT_ACTIVE
BT_PRIORITY
BT_RF
WI-FI LDO
WLAN_SPI_MOSI/CS/CLK,WLAN_INT/RESET_N
VWLAN_3.3V
VWLAN_1.8V
WI-FI
WLAN_DREG_1.2V
VWLAN_3.3V
WLAN_XTAI
WLAN_XTALO
WLAN_RX_N/P
WLAN_TX_N/P
ANT_SEL_B/C/E
FEM
X-TAL
NAND_WAITn
VDD_EBU_1.8V
NAND_CLK/ADVn/RDn/DDR n
MEM_AD(0:15),DDR_DQ(0:15)
CS0n_OneNAND,CS1n_OneNAND,RST_BB,WEn
DDR_CKE/CLK/CLKn/CAS n/RASn/UDMD/UDQSD/LDM D/LDQSD
MCP
VBAT
SIM_IO
RST_BB
VSIM_2.85V
SIM_RST/CLK
VDD_IO1_1.8V
USB_DSDS_SCL
USB_DSDS_SDA
VMMC_2.85V.VDD1.8V
SIM CONTROL
SIM2_IO
SIM1_IO
VSIM1_3.0V
VSIM2_3.0V
SIM1_RST/CLK
SIM2_CLK/RST
SIM2
SIM1
SD_DETECT
SD SOCKET
LED_BL_EN
SD_CLK/CMD
SD_DATA(0:3)
VBAT
LCD_D(0~7)
VGH, LCD_RD
LCD BACKLIGHT IC
VDD_2.9V,VDD_IO2_1.8V
FLM, LCD_RST/WR/RS/CS
LED_P_26V/LED_N
LCD CON.
3.0" QVGA
VF
RTC
TCXO
BATT. CON
8-1
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Level3Repair
PCB Diagrams
8-2.
8-2-1.
Top
G202 G203
HEA500
TSP_RST
R
5
2
0
1
0
0
0
0
0
5
5
5
R
C
R
D
5
2
R
1
0
0
0
R
2
0
9
9
0
6
2
0
C
6
R
0
0
6
C
6
C610
0
8
U
T
A
C
6
0
2
0
0
6
T
M
O
0
1
6
T
M
O
D
D
6
6
0
0
0
1
0
1
0
0
6
6
C
C
C
6
3
2
1
1
6
C
U
6
0
1
C
5
2
2
8
0
5
C
R
5
0
7
7
0
5
C
6
0
5
C
C509
2
1
5
R
R
5
3
1
1
0
5
R
SOC600
SIM501
S200
S
P
K
4
0
0
S
P
K
4
0
1
BTC300
1
0
3
C
0
0
3
C307
D
Z
C306
R
R206 R207 R208
3
3
0
0
1
0
1
3
3
C
V
C
5
0
2
C
R
R
C
C
5
5
5
5
5
3
0
2
0
0
0
0
1
4
5
3
4
5
R
SIM500
D501
R
5
9
1
0
4
5
R
C520
C518
RFS100
R
1
0
0
C
N
2
0
0
5
0
0
D
Z
9
1
5
C
4
3
2
C
0
0
4
C
C225
5
1
5
R
R403
3
0
2
C
D
5
0
0
L
C
L116
1
1
2
0
1
2
1
0
1
2
0
1
L
L
1
0
1
C
1
0
1
R
C105
L
1
3
0
2
0
1
L
C106
A
N
T
1
0
0
F
1
0
1
6
7
L
5
5
1
1
1
1
C
2
C
0
0
1
M
A
P
9
5
1
C
A
N
T
1
0
1
R
C224
3
1
2
C
C215
6
2
2
C
C210
0
0
2
C
2
C
2
8
S
O
C
2
2
7
C209
R204
L114
L
L
1
1
1
1
5
3
L111
L109
L
L
1
1
0
1
8
0
L107
C216
6
2
1
C
C120
5
2
1
C
3
0
1
L
L
L
1
1
0
0
4
5
C205
C218
C
1
2
2
2
0
1
R
R306
C123C124
R307
4
1
1
C
C121
R309
C222
R
4
C
2
3
4
7
R
0
0
4
1
4
2
6
R
1
1
C
2
2
C
3
2
2
4
C
2
C217
C
5
4
0
0
2
4
4
3
C
3
C
C
2
2
1
6
0
2
C
O
S
7
0
2
C
C
2
H
0
0
2
T
0
1
2
0
2
R
R318
C320
5
1
3
C
R319
C317
U
3
R
0
3
1
1
1
2
0
3
R
C202
3
2
2
C
2
1
2
C
L201
8
0
2
C
7
3
2
C
9
1
2
C
C231
6
3
2
C
4
1
2
5
3
2
C
R308
4
0
3
C
D301
R
3
1
2
C
K
L
C
_
D
N
A
N
_
P
T
C220
0
0
2
P
C
U
C
3
0
1
0
0
3
C
0
2
3
R
R
5
1
0
3
0
3
1
3
3
R
D
Z
T
_
P
D
D
R
_
D
Q
0
[
2
0
3
8
0
3
2
2
C
C
5
0
1
P
T
C
2
0
4
T
P
1
9
0
0
2
1
C
3
0
1
C
P
1
T
3
1
C
3
0
2
3
9
0
0
3
3
C
C
C115
1
1
3
C
0
0
R303
3
U
R302
C
R
3
3
8
0
1
0
0
0
2
4
3
3
C
R
IFC300
E
A
R
4
0
0
C
C
1
1
5
4
2
6
R107
4
0
1
R
Q
1
0
0
C
R
1
1
5
0
3
8
L407
ZD407
Z
D
Z
D
4
0
2
4
0
5
Z
D
0
4
3
C
L
4
4
2
0
1
9
1
0
7
6
0
0
0
0
4
4
4
4
L
L
C
C
R
4
8
2
1
0
4
C
R
4
1
C
6
4
1
1
L404
U401
C414
R413
C413
R412
2
1
4
C
4
1
5
C
C513
C512
0
1
5
C
U500
C511
R
5
7
8
6
5
6
7
1
1
1
1
1
5
5
5
1
1
1
R
R
R
5
5
5
C
C
C
R519
R401
R
D300
4
1
1
R
0
L
0
3
4
0
6
6
1
3
C
U
3
0
1
R
3
1
R
6
3
1
7
6
0
5
R
2
3
6
C
5
0
5
C
T
T
P
P
_
_
N
M
A
E
T
E
P
n
_
W
N
M
D
n
D
R
_
D
N
A
N
_
P
_
TP_DDR_CASn
A
D
[
2
0
0
U
M
E
2
0
0
2
1
2
R
8
0
1
C
0
0
1
3
1
1
C
C
8
2
5
3
1
1
C
C
C161
T
_
TP_DDR_RAS_n
TP_CS201
A
D
V
N
R211
1
0
2
C
0
1
1
P
T
3
9
3
2
1
1
P
T
0
1
0
C
C
TP104
U
1
0
0
3
0
1
6
R
1
1
C
0
C
0
1
1
3
1
C
C
R109
1
S
6
0
O
C136
C410
R
4
2
4
3
9
0
0
4
4
L
C
2
2
4
R
D
Z
4
4
0
C
6
2
5
TP_MEM_INT
T
P
_
C
S
2
0
0
0
0
2
C
0
0
2
R
C
1
4
C
6
9
1
2
R
1
3
U
1
0
1
1
1
1
0
R
6
0
1
R
0
5
1
C
C151
1
8
1
2
1
1
C
C
C119
L106
F
1
C107
0
0
2
2
1
L
C118
2
4
1
1
1
4
4
0
3
C
C
C
C139
1
1
2
U
1
5
4
1
5
4
1
0
TP_100
2
7
3
1
8
2
3
1
1
1
C
R
D
X
T
_
D
X
R
_
T
R
A
U
_
P
T
T
R
TP106
A
U
_
P
T
S201
2
0
4
L
C
4
0
8
MIC400
6
0
4
L410
D
Z
V
L
C
6
1
4
0
1
1
0
9
9
C141
7
1
1
L
0
0
6
R105
C
A
T
U
L
C144
6
1
0
1
7
8
8
0
6
U
L
4
0
6
9
2
2
C
R
4
1
7
0
3
2
C
L
4
0
0
0
8
2
0
2
4
C
L
R
4
1
1
2
9
4
R
7
2
4
R
C
4
1
7
5
1
4
C
1
0
2
0
5
R
6
C
1
2
5
A
R
T
2
2
5
R
TP_RST_BB
0
0
6
R
1
0
6
V
R408
R
4
1
0
0
0
4
U
R
4
0
4
R405
8
1
C
3
9
1
C
3
R
C
2
6
7
9
1
3
4
0
0
2
2
3
3
3
1
4
6
6
6
6
6
C
C
C
C
C
7
0
6
R
0
0
6
N
C
C
C
C
C
C
C
C
6
6
6
6
6
6
6
0
2
2
3
0
2
2
2
3
8
0
3
4
6
2
0
1
T
N
C
A
C
C
C
G200G201
8-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-2-2.
Bottom
RCV400
U
6
0
2
4
C
0
2
C
4
0
0
4
R
2
4
R
0
0
3
ZD400ZD401
R
R
6
6
0
0
0
2
3
4
6
C
C607
R606
C
6
U
1
9
6
0
4
3
5
R
2
C617
1
0
5
C
3
2
5
C
R
C618
6
0
5
C615
U501
U
C
6
6
0
C
6
C
6
0
4
5
C
2
1
6
4
0
3
5
7
0
1
P
T
2
6
C
2
Z
D
6
0
0
HOME
8-3
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This Document can not be used without Samsung's authorization
Level3Repair
Flow Chart of Troubleshooting
8-3.
8-3-1.
Power On
Power on
No
Check the current
consumption
>= 100
mA?
Yes
Check the battery
voltage VBAT
V?
3.45
Yes
Check the voltage
VDD_1.8V(
=1.8
C231
V?
Yes
Check the clock at
MHz?
OSC201
=26
>=
No
Download the latest binary.
No
Change the battery
)
No
Check the Main Chip
(
UCP200
)
Look over the Chip damage
No
Resolder the
OSC201
Yes
END
8-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
C216
C205
C218
1
1
2
C
C217
3
C
2
3
C
3
2
2
1
6
3
5
C231
2
C
C
2
C220
N
A
_
D
C
K
L
C
2
3
7
1
9
C
2
C
2
1
4
T
_
P
N
C
2
0
8
0
0
2
P
C
U
C
2
0
6
C
2
0
7
0
0
2
T
H
R
2
0
2
O
S
C
2
0
1
R308
4
0
3
C
C
3
0
C
3
0
1
0
0
3
C
0
2
3
R
3
9
2
0
0
3
3
C
C
C
3
1
1
8-5
SAMSUNG Proprietary-Contents may change without notice
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Level3Repair
8-3-2.
Initial
Initial Failure
CN200
ST_BB_J=Pin5
(R
>1.7V?
using the oscilloscope
GND&SHORT PAD.
Check the
bit data signals.
16
END
Yes
Yes
Yes
)
No
R
(
Resolder
UCP200
ST_BB_J)must be higher than
1.7V
C
N
2
0
0
5
0
D
0
Z
C
5
1
9
0
0
R
5
1
5
R403
R
2
0
C
D
5
0
0
3
C224
3
1
2
C
C215
C210
0
0
2
C
2
C
2
8
S
O
C
2
2
7
C209
R204
C
2
3
4
4
C
C
4
7
R
0
0
4
1
4
2
6
R
C
4
2
2
6
5
4
2
0
0
2
4
4
C
C
C
C222
C225
C
2
2
3
R
4
2
3
C
2
3
2
C
2
3
C
3
2
2
1
L201
2
0
8
C
1
1
2
C
C217
C231
C
2
3
6
C
2
3
5
0
0
2
P
C
U
_
P
N
A
N
D
_
T
K
C
L
C220
8-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
8-3-3.
Charging Part
Abnormal Charging
Check the Battery
TA connection
&
Check the voltage
VBUS_5V_IN(
>= 5
No
Yes
V?
C320)
No
No
Insert the battery or TA
Check
short to GND or damage)
(
Change
C320, C317, D301
C320, C317, D301
Yes
Check the
SMD or Damage)
(
U300
?
Yes
END
No
Change the
U300
8-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Level3Repair
JIG_TXD
JIG_RXD
JIG_ID
8985_USB_DM
8985_USB_DP
USB_ID
MICRO USB - PBA TEST JIG PIN
VBUS_5V_J
R312
R313
1
DM
2
DP
3
USB_ID
6
C216
C205
C218
7
0
0
2
D301
0
0
2
0
VTOUCH_2.9V
VMOT_3.2V
VBUS_5V_IN
VDD_IO1_1.8V
VBUS_5V_IN
VBAT
IFC30
1
1
2
2
3
3
4
4
5
5
6
S1
7
S2
8
NC
9
NC
1
0
3
D
Z
10
NC
11
NC
12
NC
13
NC
RST_MAX8985
6
VBUS
5
NC
4
NC
D
N
G
7
2
C
C320
O
C317
VDD_IO1_1.8V
R304
C303
C308C302 C309
8985_USB_DM
USB_DM_BB
R305
USB_DP_BB
C304
USB_ID
8985_USB_DP
KEY_COL(1)
KEY_ROW(0)
ONKEY
R320
R308
A1
A2
A3
B1
C1
D2
C4
B4
B3
F1
C310
ID_CON
DP_CON
DM_CON
DM_HOST
DP_HOST
JIG
COLMX
ROWX
ON_BT_UP
RESET_N
5
5
B
C
1
T
A
B
V
5
5
4
1
5
D
F
E
A
E
1
2
2
N
O
I
I
T
_
D
A
S
D
B
U
V
V
B
V
U300
D
N
G
3
F
F
P
G
N
E
A
_
O
O
H
T
R
C
D
D
C
I
A
L
L
V
_
V
B
V
V
G
INT_N
T
H
E
C
I2C_SDA
D
I2C_SCL
TXD_HOST
RXD_HOST
GPO1
GPO2
V2_3
ON_KEY_N
2
1
C
C
N
N
2
1
S
2
C
H
T
2
R
C
2
0
1
R308
4
0
3
C
C
3
C
3
0
1
0
0
3
C
0
2
3
R
0
9
3
2
0
0
3
3
C
C
1
1
3
C
R306
R307
R309
R318
R319
U
3
0
2
R
3
1
0
C320
C317
D301
1
1
3
R
R
R
3
3
1
1
2
3
1
0
3
D
Z
5
1
3
C
0
0
3
U
5
0
3
R
8
0
0
0
3
3
C
R
R303
R302
C
R
3
3
1
0
2
4
8-8
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Level3Repair
8-3-4.
LCD Working
Power On
LCD FPCB
connector is corre
ctly connected?
Check
C604
=2.85V
=1.8V
C603
NO
NO
Connect correctly
Yes
NO
Resolder
C603, C604
Yes
Replace the LCD
8-9
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This Document can not be used without Samsung's authorization
Level3Repair
C
R
6
2
3
3
6
6
C
C
0
0
2
2
4
1
6
6
C
C
2
7
9
1
3
4
3
3
6
6
C
C
0
0
6
N
C
C
C
C
6
6
2
2
5
6
C
6
6
2
3
4
0
C
C
6
2
8
C
6
2
3
C
6
6
0
0
2
3
8-10
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This Document can not be used without Samsung's authorization
Level3Repair
8-3-5.
z
Audio Working
Speaker Working
Operate speaker
No
Check
the SPK400,
contact
401
Yes
Speaker break
down?
No
Change the speaker
Yes
Change the speaker
No
Signal on in
the
L400, L401
?
No
Changeamain PBA
Yes
the
Resolder
L400
and
L401
8-11
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Level3Repair
SPK_P
SPK_N
S
P
K
4
0
0
L400
L401
C406
C407
SPK400
1
1
2
2
2
0
4
D
Z
SPK401
1
1
2
2
3
0
4
D
Z
S
P
K
4
0
1
BTC300
R206 R207 R208
Z
4
D
0
2
Z
4
D
0
3
0
6
0
4
C
1
0
4
L
7
0
0
4
4
L
C
8-12
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization