Level
8.
Block Diagram
8-1.
Repair
3
8-1
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’swritten authorization is strictly prohibited.
Level3Repair
PCB Diagrams
8-2.
8-2-1.
Top
8-2
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’swritten authorization is strictly prohibited.
Level3Repair
8-2-2.
BOTTOM
8-3
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-1.
Power On
Cell-phone can`t power on.
Check the Battery Voltage
it more than
Is
Power-on the phone and check
the power-on current
Check the ONKEY
TAC401
(
Yes
No
.
V?
3.5
mA
100
≥
)
No
Yes
Abnormal
If its voltage level is extremely low(under
And re-try to the power-on operation.
Charging the battery by TA.
Change the battery.
Change the FRONT LCD Assy.
or re-download binary
Change the TAC401
.
3.0
V),
Normal
Check the UCP300 output
voltage.
C338
(
Change PBA
END
Check the UCP300
Yes
Yes
1.1
≒
V)
If the output voltage is not satisfied with normal
No
condition, Change the UCP300
Each voltage level has
※
±10%
margin.
8-4
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’swritten authorization is strictly prohibited.
Level3Repair
ON_SW
VDDLDO_2.2V
VDDARM_1.2V
VDDMEM_1.2V
4
6
8
9
3
4
4
3
3
C
C
C
6
6
0
0
0
0
0
0
2
2
1
1
1
1
1
1
C
D
T
Y
V
R
U
W
A
A
M
M
M
M
N
N
M
M
M
I
I
E
E
E
E
E
E
E
O
O
M
M
M
M
M
M
M
D
D
D
D
D
D
D
D
D
L
L
_
_
D
D
D
D
D
D
D
V
C
C
V
V
V
V
V
V
D
D
C
C
D
D
V
V
R415
TAC401
1005
NC
3
C408
5
0
0
1
ZD400
NC
NC
NC
4
5
6
12
S1
S2
NC
VSIM2_3.0V
VDDSD3_1.8V
VSIM1_3.0V
VDD_SD_3.0V
VCAM_IO_1.8V
TSP_3.0V
VDDSD3_1.8V
VDD_IO_1.8V
8
7
1
1
3
3
C
C
VDDCORE_1.1V
1
0
5
5
3
3
C
C
7
8
0
0
0
1
1
1
1
1
A
A
P
N
M
A
A
M
M
M
M
E
E
R
R
A
A
M
M
D
D
D
D
D
D
D
D
V
V
V
V
4
3
2
V
5
5
5
0
3
3
3
1
C
C
C
6
5
4
3
3
8
7
6
5
4
1
1
1
1
1
1
1
1
1
1
A
A
A
A
Y
Y
Y
Y
Y
Y
A
A
A
A
M
M
M
M
M
M
M
M
M
R
A
D
D
V
M
R
R
R
R
R
R
R
R
R
A
A
A
A
A
A
A
A
A
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
6
7
5
5
3
C
1
5
6
5
4
1
1
1
1
1
1
1
A
Y
V
V
V
W
A
E
E
M
M
M
M
R
R
R
R
R
R
O
O
A
A
A
A
C
C
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
8
5
5
5
3
3
3
C
C
C
1
1
0
9
1
1
1
2
1
1
V
V
U
U
W
E
E
E
E
E
R
R
R
R
R
O
O
O
O
O
C
C
C
C
C
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
0
0
1
1
0
9
2
0
1
1
2
1
2
2
1
1
1
2
T
T
T
T
P
P
N
R
R
E
E
E
E
E
E
E
E
E
E
R
R
R
R
R
R
R
R
R
R
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
V
VDD_IO_1.8V
0
1
1
9
8
7
6
5
4
1
2
1
1
1
1
1
1
1
L
L
L
L
L
L
N
M
M
E
E
E
E
E
E
E
E
E
R
R
R
R
R
R
R
R
R
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
VDD_IO_1.8V
VCAM_IO_1.8V
VDD_2.5V
4
0
3
C
0
9
2
1
3
3
C
C
VDD_IO_1.8V
0
6
2
3
5
1
6
1
1
1
F
E
A
L
L
A
A
F
E
N
N
N
I
I
I
N
R
_
_
_
D
3
1
O
C
I
D
D
D
I
C
V
S
S
D
D
D
D
D
D
D
D
V
V
V
V
3
2
1
2
2
3
3
C
C
2
6
3
C
9
1
0
0
1
1
2
1
A
L
L
L
A
2
N
N
N
I
I
I
O
_
I
_
_
D
O
M
M
I
D
C
C
M
V
L
L
A
D
D
C
D
D
D
V
V
D
V
5
4
2
2
2
3
3
3
C
C
C
VBAT
VBAT
0
9
6
5
3
3
C
C
1
1
2
2
4
2
2
1
2
A
Y
A
0
1
O
O
I
I
D
D
D
D
V
V
1
1
4
2
3
3
3
2
3
3
2
F
C
D
J
P
N
N
N
A
A
A
6
6
6
D
D
L
A
A
3
3
3
L
P
P
D
D
D
D
D
P
T
T
V
V
_
D
D
D
A
A
A
A
D
V
V
V
_
B
B
_
I
I
A
A
A
D
V
V
S
S
V
C
D
A
M
M
7
6
5
0
0
0
3
3
3
C
C
C
L
VBUS_5V
VBATVBAT
R
T
C
_
B
I
V
1
6
3
C
5
6
3
8
C
0
3
R
5
4
4
0
4
8
2
U
D
T
A
B
B
V
3
7
7
8
3
3
3
3
3
3
2
2
2
E
E
E
H
H
T
U
D
D
T
T
A
A
B
V
V
C
P
A
A
A
A
A
A
V
E
R
D
T
A
B
V
E
G
D
K
R
S
B
S
E
H
C
I
L
D
N
N
C
U
V
P
V
E
E
V
B
K
S
S
_
I
_
T
T
A
A
B
B
V
V
VCAMC_1.8V
TSP_3.0V
VDDRF_2.85V
8
0
9
1
0
0
1
1
3
3
3
3
C
C
C
C
8
6
3
C
5
4
0
9
5
5
5
5
5
5
5
0
2
2
3
C
A
3
2
2
3
2
2
3
2
3
E
D
D
D
L
C
N
D
T
E
P
K
R
A
A
A
A
A
1
0
0
T
2
8
T
B
D
A
D
V
V
U
U
S
M
M
M
M
I
I
1
1
S
U
O
O
A
A
S
S
B
B
D
_
_
D
C
C
D
D
3
1
M
M
D
D
D
D
D
D
D
D
V
M
M
V
V
V
D
D
S
S
C
C
V
V
D
D
D
D
D
D
D
D
V
V
V
V
VDD_IO_1.8VVCAMA_2.8V
VDD_3.0V
VDD_IO_2.8V
VDD_2.5V
4
2
3
1
1
3
3
C
C
9
6
3
C
7
2
7
8
7
2
3
2
2
2
D
T
V
N
M
A
F
V
T
A
E
3
_
R
O
R
D
D
D
O
M
D
D
D
C
M
V
V
V
M
A
A
C
C
D
D
D
V
D
V
6
5
1
1
1
3
3
3
C
C
C
VDDLDO_2.2V
VREF
5
3
3
C
6
7
6
6
3
3
3
C
C
6
3
C
0
7
3
C
7
7
2
2
E
R
A
8
8
V
V
1
2
D
D
D
D
V
V
0
0
3
L
2
1
7
7
3
3
C
C
5
5
5
5
3
5
5
7
5
4
2
3
2
2
3
2
3
2
3
J
H
B
K
M
T
Y
V
R
U
A
A
A
A
5
F
U
A
B
B
O
O
O
O
O
V
E
F
P
V
B
A
D
D
D
2
E
D
D
D
D
V
V
D
R
L
L
D
L
L
D
D
D
V
_
_
_
_
D
D
D
D
X
X
X
V
V
V
V
V
L
L
L
R
A
A
A
A
D
T
A
B
V
VDDARM_1.2V
VDDMEM_1.2V
VBAT
VBAT
7
6
3
3
3
3
C
C
1
0
4
4
3
3
C
C
2
1
0
0
3
3
L
L
6
3
6
6
2
2
2
J
H
K
A
A
A
O
O
D
D
L
L
_
_
V
V
R
R
D
D
T
T
A
A
B
B
V
V
0
3
2
1
2
4
3
3
3
3
3
3
3
3
3
J
J
J
K
H
K
K
K
A
A
A
A
A
A
A
A
M
M
M
M
M
M
M
M
M
E
E
E
E
E
E
R
R
R
A
A
A
M
M
M
M
M
M
_
_
_
_
_
_
_
_
_
X
X
X
X
V
V
V
X
X
L
L
L
L
L
L
R
R
R
D
D
D
T
T
T
A
A
A
B
B
B
V
V
V
VBAT
VDDCORE_1.1V
VBAT
9
8
3
3
3
3
C
C
2
4
3
C
3
0
3
L
1
0
9
8
7
1
0
3
J
A
9
8
7
3
3
2
2
2
3
2
2
2
J
J
J
J
H
K
K
H
K
A
A
A
A
A
A
A
A
A
E
E
E
E
E
E
M
M
M
R
R
R
R
R
R
R
R
R
O
O
O
O
O
O
A
A
A
_
_
_
C
C
C
C
C
C
_
_
_
_
_
_
V
V
V
X
X
X
V
V
V
R
R
R
L
L
L
R
R
R
D
D
D
T
D
D
D
T
T
T
T
T
A
A
A
A
A
A
B
B
B
B
B
B
V
V
V
V
V
V
8-5
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-2.
Initial
Initial Failure
Yes
Re-download latest SW on the
Check the oscillator clock waveform.
mobile phone.
Abnormal
MHz:OSC100
26
Normal
Change UCP300
Abnormal
Change PBA
Abnormal
Check the OSC100.
Crack, open etc.)
(
Check the output clock waveforms and frequency.
END
8-6
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’swritten authorization is strictly prohibited.
Level3Repair
3
4
21
OSC100
8-7
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-3.
No Service
No service
Yes
Check memu setting
Menu→applications→setting→wireless and network
mobile networks→network mode→setting is auto mode
Check the Main Antenna
not-exist or damaged
No
Check the RFS100, L100, C103,
C102,C100,C101,L102,L101,C104 is
well soldered
→
?
Yes
Replace Main Antenna
No
C102,C100,C101,L102,L101,C104 correspondingly.
Re-solder RFS100, L100, C103,
Yes
Check C105,C106,C107>=3.0 V?
Abnormal
Change the PBA
Yes
END
No
Replace the U100
8-8
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’swritten authorization is strictly prohibited.
Level3Repair
DCS_RX_N
DCS_RX_P
PCS_RX_P
PCS_RX_N
GSM850_RX_N
GSM850_RX_P
GSM_RX_N
GSM_RX_P
ANT100
L103
DCS/PCS_TX
GSM850/900_TX
C118
L105
C120
L107
C122
L108
L109
ANT101
L100
C102
C123
C124
C125
C127
RFS100
C100
21
COMMON
ANT
G
C103
C109
1005
C112
C111
F100
6
OUT
7
OUT
1
IN
OUT
8
OUT
9
G
G
G
G
G
L106
0
3
2
5
4
1
F101
6
OUT
7
OUT
1
IN
8
OUT
9
OUT
G
G
G
G
G
L110
0
4
3
5
2
1
C101
G
3
4
L104
C114
C113
C119
C126
L101
L102
VBAT
C104
C108
15
VBAT1
3
VBAT2
6
RFIN_HB
7
RFIN_LB
25
RX1
26
RX2
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
1
8
2
7
8
6
9
4
5
3
1
1
1
1
VBAT
C106
C105
2
2
T
N
A
U100
D
D
D
D
D
D
D
N
N
N
N
N
N
N
G
G
G
G
G
G
G
9
0
8
9
0
1
3
1
3
2
2
2
2
2
C107
14
ENABLE
12
SW1
10
TX_EN
11
VRAMP
D
D
D
D
D
D
D
N
N
N
N
N
N
N
C
C
G
N
G
G
G
G
G
G
N
2
5
1
6
3
7
4
4
3
3
3
3
3
2
3
2
C110
TX_Module
8-9
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-4.
Sim Part
Insert SIM card
Yes
Check SIM500/SIM501 to
soldering well
Yes
Check the SIM Voltage.
C513,C517)
(
>= 3.0?
Yes
END
VSIM1_3.0V
No
No
Resolder or replace SIM500/SIM501
Change to the new SIM card.
If it doesn`t still work SIM card after changeing
the SIM card, Check the UCP300(Crack etc)
VSIM2_3.0V
SIM500
VCC 1
CLK 3
GND 5
IO
GND
GND
GND
GND
GND
GND
5
0
0
1
C520
C512C511
R509
NC
SIM2_RST
SIM2_CLK
SIM2_IO
R508
NC
2RST
6VPP
7
8
9
10
11
12
13
5
0
0
1
C513
5
0
0
1
C514
C515
5
0
0
1
C516
SIM1_RST
SIM1_CLK
SIM1_IO
SIM501
RST 2
VPP 6
IO
GND
GND
GND
GND
GND
GND
1VCC
3CLK
5GND
7
8
9
10
11
12
13
5
0
0
1
C517
5
0
0
1
C518
C519
8-10
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-5.
Charging Part
TA/USB Insert
TA/USB is normal?
VBUS_5.0V_IF(C414)
Battery is Charging?
Yes
Yes
Yes
Yes
=5.0V?
No
No
No
Change TA or USB
Replace C414
Resolder or Replace U401
END
8-11
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’swritten authorization is strictly prohibited.
Level3Repair
VDD_IO_1.8V
IFC400
VBUS_5.0V_OVP
VBUS_5V
JIG_ON_JTAG
1
1
2
2
3
3
4
4
5
5
6
S1
7
S2
8
NC
9
NC
10
NC
11
NC
12
NC
13
NC
R421
R422
R423
R424
2
0
C414
4
G
G
D
A
A
T
T
J
J
_
_
2
2
D
D
X
X
T
R
R420
5
3
6
4
0
0
0
0
4
4
4
4
D
D
D
D
USB_D_N
USB_D_P
TXD2
RXD2
3
1
Q400
2
JIG_ON
R406
5
0
4
C
6
0
4
C
R410
R411
R408
1
VIN
2
ISET
3
GND
4
LDO
5
IEOC
U401
RT9532HGQW
D
N
G
1
1
CHGSB
EN|SET
BATT
R401
R402
10
9
PGB
8
7
GND
6
R409
CHG_DET
CHG_STATE
D400
CHG_EN
FG_CHG
VBAT
8-12
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-6.
Microphone Part
Check microphone function
in voice call receiver mode
or in Voice Recording mode
Check the main MIC500 is
placed for any damage
Check the voltage at
L511
Yes
Yes
=2.8V
No
No
Resolder or replace the main MIC500
Resolder or replace UCP300
Yes
Check component soldering
statuses of C539, C540, L512
Yes
END
No
Resolder or replace C539, C540,L512
8-13
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’swritten authorization is strictly prohibited.
Level3Repair
GND
6
GND
5
PWR
4
GND
3
GND
2
OUT
1
MIC500
VMIC_BIAS_2.1V
L511
L512
C531
C534
MIC_OUT_N
MIC_OUT_P
2
0
5
D
C536
C539
C540
R526
8-14
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-7.
Speaker Part
Play MP3 with maximum volume level.
SPK Module is Contacted?
Check speaker function.
Yes
Check SPK500 PAD and
No
Check the signals on
L500, L501
Yes
No
Contact SPK500 and SPK Module well
Resolder or replace C501, C500, ZD500,
ZD501, L500,L501
Yes
Replace speaker
8-15
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’swritten authorization is strictly prohibited.
Level3Repair
SPK500
SPK_P
SPK_N
L500
L501
C500C501
0
0
5
D
Z
1
0
5
D
Z
8-16
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-8
Receiver Part
Check receiver function
in voice call receiver mode.
Yes
Check RCV500,501 is
soldered well?
No
Check the signals on
ZD502 ZD503
Yes
Replace receiver
Yes
Resoldering RCV500,501
No
Replace and resolder ZD502, ZD503
8-17
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’swritten authorization is strictly prohibited.
Level3Repair
RCV500
2
2
1
1
RCV_P
RCV_N
RCV501
2
2
1
5
0
0
1
N
2
E
0
P
5
O
C
5
0
0
1
N
3
E
0
P
5
C
O
2
0
5
D
Z
3
0
5
D
Z
1
8-18
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-9.
BT/WIFI
BT/WiFi is not working
Yes
Check BT or WiFi function
FPCB antenna is damaged?
Check C209
ON
Yes
No
=3.3
Yes
V?
No
Yes
No
Enable BT or WiFi Function
Replace BT/WiFi antenna
Replace U201
Replace PBA
Yes
END
8-19
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’swritten authorization is strictly prohibited.
Level3Repair
WLAN_D0
WLAN_D1
WLAN_D2
WLAN_D3
WLAN_CMD
FM_ANT
VDD_BT_1.2V
C200
BT_HOST_WAKE
BT_PWR_ON
FM_L
FM_R
BT_PCM_OUT
BT_PCM_CLK
BT_PCM_SYNC
SW_WLAN_RX
SW_WLAN_TX
WLAN_D0
WLAN_D1
WLAN_D2
WLAN_D3
WLAN_CLK
WLAN_CMD
BT_UART_TXD
BT_UART_RXD
BT_UART_RTS_N
BT_UART_CTS_N
VOUT_3.3V
VDD_IO_1.8V
BT_WAKE
BT_RF
BT_RST_N
L208
BT_PCM_IN
SW_BT
COMBO_IO_1.8V
VBAT_4330
1
1
2
C
0
0
2
2
C
C
L200
L201
L202
8
7
VDD_WRF_1.2V
L203
VDD_BT_1.2V
VDD_WRF_1.2VVDD_LN_1.2V
VDD_FM_1.2V
4
3
2
1
1
1
2
2
2
C
C
C
C201
VDD_FM_1.2V
VBAT_4330
VOUT_3.1V
VOUT_3.1V
9
0
2
C
VOUT_3.3V
2
0
2
5
0
C
2
C
6
0
0
1
2
2
C
C
VOUT_3.3V
VDD_LN_1.2V
3
0
2
C
VDD_CORE_1.2V
4
0
2
C
VDD_CORE_1.2V
C215
VDD_WRF_1.2V
VDD_LN_1.2V
VIN_LDO_1.5V
4
1
3
0
4
2
0
0
0
0
0
2
2
2
2
2
R
R
R
R
R
TP200
TP202
TP204
TP205
C227
C228
TP206
TP207
TP208
TP209
TP211
TP212
TP213
TP214
TP215
0
2
L
5
0
0
1
0
0
2
0
1
1
2
2
1
2
0
1
2
3
9
8
8
9
8
8
7
1
1
1
1
1
1
1
1
1
1
F
B
2
P
1
D
D
V
F
I
_
T
F9
B
BT_GPIO_0
D9
BT_GPIO_1
H10
BT_GPIO_2
H9
BT_GPIO_3
H12
BT_GPIO_4
J9
BT_GPIO_5
H8
BT_GPIO_6
G8
BT_GPIO_7
A9
BT_RF
K10
BT_REG_ON
G10
BT_RST_N
A12
FM_AOUT1
B12
FM_AOUT2
C12
FM_TX
D12
FM_RXN
D11
FM_RXP
J6
PCM_IN
J5
PCM_OUT
H6
PCM_CLK
K6
PCM_SYNC
K5
RF_SW_CTRL_0
J2
RF_SW_CTRL_1
L4
RF_SW_CTRL_2
M4
RF_SW_CTRL_3
K3
RF_SW_CTRL_4
J4
RF_SW_CTRL_5
J3
RF_SW_CTRL_6
K4
RF_SW_CTRL_7
M6
SDIO_DATA0
M8
SDIO_DATA1
M5
SDIO_DATA2
L8
SDIO_DATA3
M7
SDIO_CLK
L7
SDIO_CMD
E6
UART_RXD
D6
UART_TXD
G6
UART_CTS_N
F6
UART_RTS_N
L
B
K
E
A
F
L
E
E
B
A
K
D
K
2
2
2
5
2
2
0
3
0
2
P
P
1
3
D
D
D
D
V
V
L
A
L
P
P
_
_
T
T
B
B
1
1
D
D
1
P
_
_
_
P
P
P
T
T
D
D
1
1
1
2
D
C
C
A
A
O
V
V
D
D
D
D
D
D
D
B
B
D
L
O
D
I
D
D
D
V
D
D
L
D
D
D
V
V
V
V
D
A
P
V
V
D
D
V
F
_
_
F
_
_
_
U
_
O
V
V
R
T
T
C
R
T
_
_
A
M
M
C
I
_
_
_
B
B
F
B
F
R
R
V
S
T
M
_
S
S
M
H
B
F
T
F
B
U201
O
I
D
O
1
S
S
S
U
S
C
_
S
S
S
S
S
S
A
S
V
C
S
V
S
V
V
S
S
V
S
L
S
S
V
V
L
A
V
F
S
L
S
F
L
S
S
E
_
F
V
P
R
V
P
V
I
V
R
F
C
_
_
_
_
I
_
_
_
_
_
_
S
T
T
T
T
T
T
M
M
M
M
B
B
F
F
B
B
F
H
B
B
F
0
1
1
0
0
0
1
1
1
8
9
8
1
1
1
1
1
1
1
1
F
C
C
M
F
F
L
C
C
E
B
A
4
7
1
7
3
1
1
1
1
L
E
K
K
G
M
M
J
J
L
M
2
0
1
3
1
0
2
1
0
2
O
O
_
P
_
_
_
_
P
P
T
O
D
D
1
F
3
3
C
C
C
O
A
D
L
L
_
_
D
R
D
B
D
D
L
D
_
C
T
T
_
D
D
D
D
D
N
D
_
D
U
U
O
V
L
T
V
V
V
D
V
I
D
_
_
O
O
_
_
_
_
V
U
D
V
E
T
L
L
L
V
V
L
_
O
D
F
U
R
W
W
W
W
V
V
A
O
S
_
V
F
R
W
D
N
D
D
G
N
_
N
D
A
D
G
G
_
_
N
D
N
_
N
V
N
G
G
G
E
_
R
_
2
S
G
1
2
0
D
A
_
G
D
E
A
S
_
_
_
S
N
N
F
A
A
V
S
S
N
O
S
S
A
A
P
L
G
P
L
A
S
S
S
V
_
_
_
_
_
_
_
_
V
V
V
P
F
F
F
F
F
F
F
_
_
U
_
_
R
L
L
R
R
R
R
R
R
L
R
M
W
S
W
W
W
W
W
W
W
P
W
W
1
1
5
7
4
3
5
4
2
5
2
1
L
F
C
B
E
C
C
C
D
K
M
VIN_LDO_1.5V
6
1
2
3
H
3
P
3
D
D
V
_
O
X
C
T
_
F
R
W
1
E
2
P
1
D
D
V
_
L
A
T
X
_
F
R
W
NC|CLK_REQ_MODE
2
F
2
8
P
P
1
1
D
D
D
D
V
V
_
_
T
N
I
U
_
O
O
_
D
O
L
D
_
L
O
_
C
O
V
C
_
V
F
_
R
F
W
R
W
WL_REG_ON
WRF_RFOUT
WRF_RFIN_5G
WRF_RFOUT_5G
WRF_TCXO_IN
WRF_XTAL_ON
WRF_XTAL_OP
WRF_A_TSSI_IN
WRF_GPIO_OUT
WRF_RES_EXT
HSIC_STROBE
CLK_REQ_OUT
EXT_PWM_REQ
EXT_SMPS_REQ
TM0|NC_FOR_A0
NC|CLK_REQ_IN
C
H4
TP201
WL_GPIO_0
G5
WL_GPIO_1
H5
WL_GPIO_2
D5
WL_GPIO_3
J8
WL_GPIO_4
L6
WL_GPIO_5
D8
WL_GPIO_6
L9
TP203
A7
WRF_RFIN
A6
B1
A2
G3
H1
G1
D4
R206
E4
E3
L2
HSIC_DATA
J1
HSIC_RREF
M2
G7
I2S_DI
H7
I2S_DO
G12
J10
K9
TP210
J7
LPO
M12
SR_VLX
F5
JTAG_SEL
G11
D7
E9
1
NC
2
NC
WL_HOST_WAKE
WLAN_PWR_ON
L205
XTAL_OUT
XTAL_IN
WIFI_CLK32K
C219
WLAN_RX
C220
L206
VIN_LDO_1.5V
L210
C235
1
3
2
7
3
4
F
B
D
C
D
A
0
2
2
0
2
P
P
P
P
P
5
1
1
5
1
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
_
_
_
_
_
V
A
A
A
G
_
2
R
P
N
N
_
A
D
A
F
E
_
N
A
R
L
F
G
P
_
_
R
O
W
F
F
L
W
R
_
R
F
W
W
R
W
D
D
N
N
D
D
G
G
N
N
_
_
L
G
G
O
_
_
A
T
C
A
A
X
V
P
P
_
_
_
_
F
F
F
F
R
R
R
R
W
W
W
W
2
1
6
4
F
H
B
B
Connect to GND with inner-via to avoid CBUCK noise
WIFI+BT+FM
8-20
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-10.
LCD
LCD is still off after PWR ON
Yes
Check the connection of
HDC
600
Yes
LCD is damaged?
No
Check the soldering status of
EMI Filters
Yes
No
Yes
No
Reassemble LCD
Replace LC D module
Resoldering EMI Filters
F600, F601)
(
Check C600
Replace LC D module
>3.0V
Yes
Yes
END
No
Resolder or Replace the UCP300
8-21
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’swritten authorization is strictly prohibited.
Level3Repair
VLCD_3.0V
FLM
LCD_DP1_F
LCD_DN1_F
LCD_CLKP_F
LCD_CLKN_F
LCD_DP0_F
LCD_DN0_F
C600
VDD_IO_1.8V
C601
HDC600
11
33
55
7
78
99
11 11
1313
15 15 16
1717
19 19
2121
23 23 24
25 25
2727 28
29
29
2
2
4
4
6
6
8
10
10
12
12
14
14
16
18
18
20
20
22
22
24
26
26
28
30
30
C
C
C
C
N
N
N
N
1
4
2
3
3
3
3
3
L600
LCD_DP1
LCD_DN1
LCD_CLKP
LCD_CLKN
F600
8
I|O
7
I|O
6
I|O
D
I|O
N
G
9
TSP_SDA
TSP_SCL
CABC
LCD_RESET_N
LCD_VGH_15V
LED_P_26V
LED_N
1
I|O
2
I|O
3
I|O
45
D
I|O
N
G
0
1
TSP_3.0V
LCD_DP1_F
LCD_DN1_F
LCD_CLKP_F
LCD_CLKN_F
VDD_IO_1.8V
R600
TSP_INT
C602
LCD_DP0
LCD_DN0
F601
4
1
I|O
I|O
3
I|OI|O
D
D
N
N
G
G
6
5
LCD_DP0_F
2
LCD_DN0_F
8-22
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-11.
TSP
Touch Screen does not work
Yes
Check connection of TSP and
Replace the TSP module
HDC
Check C604
600
Yes
=3.0V
Yes
No
No
Reconnect the TSP and HCD600
Re-solder or Replace UCP300
END
Yes
8-23
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’swritten authorization is strictly prohibited.
Level3Repair
TSP_ID
TSP_3.0V
R617
FLM
LCD_DP1_F
LCD_DN1_F
LCD_CLKP_F
LCD_CLKN_F
LCD_DP0_F
LCD_DN0_F
VLCD_3.0V
C602
VDD_IO_1.8V
C603
HDC600
11
33
55
77 8
99
11
11 12
1313
15 15 16
1717
19
19
2121
23 23 24
25 25
2727 28
29
29
C
C
C
N
N
N
2
1
3
3
3
3
TSP_3.0V
TSP_3.0V
R600
2
4
6
10
14
18
20
22
26
30
C
N
4
3
L600
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
TSP_SDA
TSP_SCL
CABC
LCD_RESET_N
LCD_VGH_15V
LED_P_26V
LED_N
TSP_INT
C604
8-24
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-12.
Camera
Camera" function does not work
"
Yes
Check the
connect state on CAM600
Yes
Check the voltage
C610
=1.8V
C611
=1.8V
C612
=2.8V
Yes
Check CAM600 pin20
MHz
=24
No
No
No
Connect CAM600 well
Resolder or replace UCP300
Resolder or replace UCP300
Yes
Replace the camera module
Yes
END
8-25
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’swritten authorization is strictly prohibited.
Level3Repair
VCAM_IO_1.8V
VCAMC_1.8V
VCAMA_2.8V
CAM600
3D1201087-ST32-7H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
L601
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
C610
28
29
30
31
32
C611
C612
CAM_DN0
CAM_DP0
CAM_STBY
CAM_RESET
CAM_SCL
CAM_SDA
CAM_MCLK
CAM_CLKN
CAM_CLKP
8-26
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-14.
Motor
Motor does not work
Yes
Motor FPCB is damaged?
No
Motor MOT500,501 is
damaged?
Yes
Replace the board
Yes
No
Replace Motor FPCB
Resolder or replace UCP300
END
Yes
8-27
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’swritten authorization is strictly prohibited.
Level3Repair
VIB_CTRL
C505
VBAT
C504
MOT500
1
1
2
2
MOT501
1
1
2
2
8-28
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-14.
GSM
RX
850
NORMAL CONDITION
catch the channel?
No
Trouble occurs only in
GSM850 band?
Yes
L108,C123,C124,F101,C1
26,
Check
L110 for any damage
crack, open, etc)
(
No
Check U101
for any damage(crack,
open, etc)
No
NO
Yes
Yes
Try
8-3-3
CHECK soldered components
L108,C123,C124,F101,C126,L110
esolder or change
R
Repair procedure
U101
Check UCP300 for any
damage(crack, open,
etc)
No
Change the board
END
Yes
esolder or change
R
UCP300
8-29
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’swritten authorization is strictly prohibited.
Level3Repair
DCS_RX_N
DCS_RX_P
PCS_RX_P
PCS_RX_N
GSM850_RX_N
GSM850_RX_P
GSM_RX_N
GSM_RX_P
ANT100
L103
DCS/PCS_TX
GSM850/900_TX
L105
L107
L108
L109
ANT101
L100
C102
C118
C120
C122
C123
C124
C125
C127
RFS100
C100
21
ANT
C103
C109
1005
C112
C111
F100
6
OUT
7
OUT
IN
OUT
8
OUT
9
G
G
G
G
G
0
2
5
4
3
1
F101
6
OUT
7
OUT
1
IN
8
OUT
9
OUT
G
G
G
G
G
0
5
3
4
2
1
C101
COMMON
G
G
4
3
L104
C113
C114
C119
1
L106
C126
L110
L101
L102
VBAT
C104
C108
15
VBAT1
3
VBAT2
6
RFIN_HB
7
RFIN_LB
25
RX1
26
RX2
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
7
9
6
8
2
1
5
4
3
1
1
1
VBAT
C106
C105
2
2
T
N
A
U100
D
D
D
D
D
D
D
N
N
N
N
N
N
N
G
G
G
G
G
G
G
8
9
9
8
0
1
3
2
2
1
1
2
2
2
C107
14
ENABLE
12
SW1
10
TX_EN
11
VRAMP
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
C
C
G
G
G
G
G
G
N
G
G
N
3
4
2
6
4
1
5
0
7
3
3
3
3
2
3
3
3
2
C110
TX_Module
VCC_TX
VDD_SYN
GSM_RX_P
GSM_RX_N
GSM850_RX_P
GSM850_RX_N
PCS_RX_N
PCS_RX_P
DCS_RX_P
DCS_RX_N
GSM850/900_TX
DCS/PCS_TX
L111 10nH
1005
F
n
0
0
0
1
5
1
0
0
3
1
1
C
F
P
0
0
1
5
2
0
0
3
1
1
C
A3
LB1_RX+
A2
LB1_RX-
A1
LB2_RX+
B1
LB2_RX-
C1
HB1_RX+
D1
HB1_RX-
E1
HB2_RX+
F1
HB2_RX-
G1
NC
H1
NC
J1
NC
J2
NC
A5
LB1HB1_TX
A6
LB2HB2_TX
A7
NC
A8
NC
A9
NC
C
C
N
N
8
9
C
B
VCC_DIG
F
N
0
0
0
1
8
5
0
2
0
1
1
C
3
H
H
T
N
Y
S
_
D
D
V
9
8
3
J
F
F
B
G
O
I
B
X
D
_
C
_
D
D
D
D
_
D
V
D
V
D
V
U101
D
D
N
G
2
B
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
2
3
B
2
6
7
5
8
C
D
B
B
B
B
VDD_RX
F
N
0
0
0
1
9
5
0
2
0
1
1
C
8
9
D
C
X
T
_
D
D
V
D
D
D
N
N
N
G
G
G
2
2
2
F
E
G
C130
1000NF
1005
4
4
B
A
X
O
O
R
L
L
_
X
X
T
D
R
_
_
D
D
V
D
D
V
D
D
D
D
N
N
N
N
G
G
G
G
4
2
6
4
F
D
H
D
H4
D
TRX1_I+
V
J4
TRX1_I-
H5
TRX1_Q+
J5
TRX1_Q-
H6
NC
J6
NC
H7
NC
J7
NC
G9
REF1_OUT
G8
REF2_OUT
E6
REF3_OUT
J9
REF_IN+
J8
REF_IN-
H9
REF1_EN
H8
REF2_EN
D5
REF3_EN
E8
SPI1_LE
E9
SPI1_CLK
D9
SPI1_DATA
F5
NC
E4
GND
E5
GND
D
D
N
N
C
C
N
N
G
G
6
1
2
F
C133 1NF
3
21
TP_RF_SPI_LE
TP_RF_SPI_CLK
TP_RF_SPI_DATA
1005
GSM_IP
GSM_IN
GSM_QP
GSM_QN
4
RF_SPI_LE
RF_SPI_CLK
MCLK_26M
OSC100
RF_SPI_DATA
8-30
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’swritten authorization is strictly prohibited.
Level3Repair
8-31
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-15.
GSM900 RX
NORMAL CONDITION
catch the channel?
Trouble occurs only in
GSM900 band?
L109,C125,C127,F101,C1
L110 for any damage
26,
crack, open, etc)
(
Check U101
for any damage(crack,
No
Yes
Check
No
open, etc)
No
NO
Yes
Yes
Try
8-3-3
CHECK soldered components
L109,C125,C127,F101,C126,L110
esolder or change
R
Repair procedure
U101
Check UCP300 for any
damage(crack, open,
etc)
No
Change the board
END
Yes
esolder or change
R
UCP300
8-32
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’swritten authorization is strictly prohibited.
Level3Repair
DCS_RX_N
DCS_RX_P
PCS_RX_P
PCS_RX_N
GSM850_RX_N
GSM850_RX_P
GSM_RX_N
GSM_RX_P
ANT100
L103
DCS/PCS_TX
GSM850/900_TX
L105
L107
L108
L109
ANT101
L100
C102
C118
C120
C122
C123
C124
C125
C127
RFS100
C100
21
ANT
C103
C109
1005
C112
C111
F100
6
OUT
7
OUT
IN
OUT
8
OUT
9
G
G
G
G
G
0
2
5
4
3
1
F101
6
OUT
7
OUT
1
IN
8
OUT
9
OUT
G
G
G
G
G
0
5
3
4
2
1
C101
COMMON
G
G
4
3
L104
C113
C114
C119
1
L106
C126
L110
L101
L102
VBAT
C104
C108
15
VBAT1
3
VBAT2
6
RFIN_HB
7
RFIN_LB
25
RX1
26
RX2
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
7
9
6
8
2
1
5
4
3
1
1
1
VBAT
C106
C105
2
2
T
N
A
U100
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
8
9
9
8
0
1
3
2
2
1
1
2
2
2
C107
14
ENABLE
12
SW1
10
TX_EN
11
VRAMP
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
C
C
G
G
G
G
G
G
N
G
G
N
3
4
2
6
4
1
5
0
7
3
3
3
3
2
3
3
3
2
C110
TX_Module
VCC_TX
VDD_SYN
GSM_RX_P
GSM_RX_N
GSM850_RX_P
GSM850_RX_N
PCS_RX_N
PCS_RX_P
DCS_RX_P
DCS_RX_N
GSM850/900_TX
DCS/PCS_TX
L111 10nH
1005
F
n
0
0
0
1
5
1
0
0
3
1
1
C
F
P
0
0
1
5
2
0
0
3
1
1
C
A3
LB1_RX+
A2
LB1_RX-
A1
LB2_RX+
B1
LB2_RX-
C1
HB1_RX+
D1
HB1_RX-
E1
HB2_RX+
F1
HB2_RX-
G1
NC
H1
NC
J1
NC
J2
NC
A5
LB1HB1_TX
A6
LB2HB2_TX
A7
NC
A8
NC
A9
NC
C
C
N
N
8
9
C
B
VCC_DIG
F
N
0
0
0
1
8
5
0
2
0
1
1
C
3
H
H
T
N
Y
S
_
D
D
V
9
8
3
J
F
F
B
G
O
I
B
X
D
_
C
_
D
D
D
D
_
D
V
D
V
D
V
U101
D
D
N
G
2
B
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
2
3
B
2
6
7
5
8
C
D
B
B
B
B
VDD_RX
F
N
0
0
0
1
9
5
0
2
0
1
1
C
8
9
D
C
X
T
_
D
D
V
D
D
D
N
N
N
G
G
G
2
2
2
F
E
G
C130
1000NF
1005
4
4
B
A
X
O
O
R
L
L
_
X
X
T
D
R
_
_
D
D
V
D
D
V
D
D
D
D
N
N
N
N
G
G
G
G
4
2
6
4
F
D
H
D
H4
D
TRX1_I+
V
J4
TRX1_I-
H5
TRX1_Q+
J5
TRX1_Q-
H6
NC
J6
NC
H7
NC
J7
NC
G9
REF1_OUT
G8
REF2_OUT
E6
REF3_OUT
J9
REF_IN+
J8
REF_IN-
H9
REF1_EN
H8
REF2_EN
D5
REF3_EN
E8
SPI1_LE
E9
SPI1_CLK
D9
SPI1_DATA
F5
NC
E4
GND
E5
GND
D
D
N
N
C
C
N
N
G
G
6
1
2
F
C133 1NF
3
21
TP_RF_SPI_LE
TP_RF_SPI_CLK
TP_RF_SPI_DATA
1005
GSM_IP
GSM_IN
GSM_QP
GSM_QN
4
RF_SPI_LE
RF_SPI_CLK
MCLK_26M
OSC100
RF_SPI_DATA
8-33
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’swritten authorization is strictly prohibited.
Level3Repair
8-34
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-16.
DCS RX
L105,C118,C120,F100,L10
6,
NORMAL CONDITION
catch the channel?
No
Trouble occurs only in
DCS band?
Yes
Check
C119 for any damage
crack, open, etc)
(
No
Check U101
for any damage(crack,
open, etc)
No
NO
Yes
Yes
Try
8-3-3
CHECK soldered components
L105,C118,C120,F100,L106,C119
esolder or change
R
Repair procedure
U101
Check UCP300 for any
damage(crack, open,
etc)
No
Change the board
END
Yes
esolder or change
R
UCP300
8-35
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’swritten authorization is strictly prohibited.
Level3Repair
DCS_RX_N
DCS_RX_P
PCS_RX_P
PCS_RX_N
GSM850_RX_N
GSM850_RX_P
GSM_RX_N
GSM_RX_P
ANT100
L103
DCS/PCS_TX
GSM850/900_TX
L105
L107
L108
L109
ANT101
L100
C102
C118
C120
C122
C123
C124
C125
C127
RFS100
C100
21
ANT
C103
C109
1005
C112
C111
F100
6
OUT
7
OUT
IN
OUT
8
OUT
9
G
G
G
G
G
0
2
5
4
3
1
F101
6
OUT
7
OUT
1
IN
8
OUT
9
OUT
G
G
G
G
G
0
5
3
4
2
1
C101
COMMON
G
G
4
3
L104
C113
C114
C119
1
L106
C126
L110
L101
L102
VBAT
C104
C108
15
VBAT1
3
VBAT2
6
RFIN_HB
7
RFIN_LB
25
RX1
26
RX2
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
7
9
6
8
2
1
5
4
3
1
1
1
VBAT
C106
C105
2
2
T
N
A
U100
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
8
9
9
8
0
1
3
2
2
1
1
2
2
2
C107
14
ENABLE
12
SW1
10
TX_EN
11
VRAMP
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
C
C
G
G
G
G
G
G
N
G
G
N
3
4
2
6
4
1
5
0
7
3
3
3
3
2
3
3
3
2
C110
TX_Module
VCC_TX
VDD_SYN
GSM_RX_P
GSM_RX_N
GSM850_RX_P
GSM850_RX_N
PCS_RX_N
PCS_RX_P
DCS_RX_P
DCS_RX_N
GSM850/900_TX
DCS/PCS_TX
L111 10nH
1005
F
n
0
0
0
1
5
1
0
0
3
1
1
C
F
P
0
0
1
5
2
0
0
3
1
1
C
A3
LB1_RX+
A2
LB1_RX-
A1
LB2_RX+
B1
LB2_RX-
C1
HB1_RX+
D1
HB1_RX-
E1
HB2_RX+
F1
HB2_RX-
G1
NC
H1
NC
J1
NC
J2
NC
A5
LB1HB1_TX
A6
LB2HB2_TX
A7
NC
A8
NC
A9
NC
C
C
N
N
8
9
C
B
VCC_DIG
F
N
0
0
0
1
8
5
0
2
0
1
1
C
3
H
H
T
N
Y
S
_
D
D
V
9
8
3
J
F
F
B
G
O
I
B
X
D
_
C
_
D
D
D
D
_
D
V
D
V
D
V
U101
D
D
N
G
2
B
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
2
3
B
2
6
7
5
8
C
D
B
B
B
B
VDD_RX
F
N
0
0
0
1
9
5
0
2
0
1
1
C
8
9
D
C
X
T
_
D
D
V
D
D
D
N
N
N
G
G
G
2
2
2
F
E
G
C130
1000NF
1005
4
4
B
A
X
O
O
R
L
L
_
X
X
T
D
R
_
_
D
D
V
D
D
V
D
D
D
D
N
N
N
N
G
G
G
G
4
2
6
4
F
D
H
D
H4
D
TRX1_I+
V
J4
TRX1_I-
H5
TRX1_Q+
J5
TRX1_Q-
H6
NC
J6
NC
H7
NC
J7
NC
G9
REF1_OUT
G8
REF2_OUT
E6
REF3_OUT
J9
REF_IN+
J8
REF_IN-
H9
REF1_EN
H8
REF2_EN
D5
REF3_EN
E8
SPI1_LE
E9
SPI1_CLK
D9
SPI1_DATA
F5
NC
E4
GND
E5
GND
D
D
N
N
C
C
N
N
G
G
6
1
2
F
C133 1NF
3
21
TP_RF_SPI_LE
TP_RF_SPI_CLK
TP_RF_SPI_DATA
1005
GSM_IP
GSM_IN
GSM_QP
GSM_QN
4
RF_SPI_LE
RF_SPI_CLK
MCLK_26M
OSC100
RF_SPI_DATA
8-36
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’swritten authorization is strictly prohibited.
Level3Repair
8-37
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-17.
PCS RX
L107,C121,C122,F100,L10
6,
NORMAL CONDITION
catch the channel?
No
Trouble occurs only in
PCS band?
Yes
Check
C119 for any damage
crack, open, etc)
(
No
Check U101
for any damage(crack,
open, etc)
No
NO
Yes
Yes
Try
8-3-3
CHECK soldered components
L107,C121,C122,F100,L106,C119
esolder or change
R
Repair procedure
U101
Check UCP300 for any
damage(crack, open,
etc)
No
Change the board
END
Yes
esolder or change
R
UCP300
8-38
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’swritten authorization is strictly prohibited.
Level3Repair
DCS_RX_N
DCS_RX_P
PCS_RX_P
PCS_RX_N
GSM850_RX_N
GSM850_RX_P
GSM_RX_N
GSM_RX_P
ANT100
L103
DCS/PCS_TX
GSM850/900_TX
L105
L107
L108
L109
ANT101
L100
C102
C118
C120
C122
C123
C124
C125
C127
RFS100
C100
21
ANT
C103
C109
1005
C112
C111
F100
6
OUT
7
OUT
IN
OUT
8
OUT
9
G
G
G
G
G
0
2
5
4
3
1
F101
6
OUT
7
OUT
1
IN
8
OUT
9
OUT
G
G
G
G
G
0
5
3
4
2
1
C101
COMMON
G
G
4
3
L104
C113
C114
C119
1
L106
C126
L110
L101
L102
VBAT
C104
C108
15
VBAT1
3
VBAT2
6
RFIN_HB
7
RFIN_LB
25
RX1
26
RX2
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
7
9
6
8
2
1
5
4
3
1
1
1
VBAT
C106
C105
2
2
T
N
A
U100
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
8
9
9
8
0
1
3
2
2
1
1
2
2
2
C107
14
ENABLE
12
SW1
10
TX_EN
11
VRAMP
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
C
C
G
G
G
G
G
G
N
G
G
N
3
4
2
6
4
1
5
0
7
3
3
3
3
2
3
3
3
2
C110
TX_Module
VCC_TX
VDD_SYN
GSM_RX_P
GSM_RX_N
GSM850_RX_P
GSM850_RX_N
PCS_RX_N
PCS_RX_P
DCS_RX_P
DCS_RX_N
GSM850/900_TX
DCS/PCS_TX
L111 10nH
1005
F
n
0
0
0
1
5
1
0
0
3
1
1
C
F
P
0
0
1
5
2
0
0
3
1
1
C
A3
LB1_RX+
A2
LB1_RX-
A1
LB2_RX+
B1
LB2_RX-
C1
HB1_RX+
D1
HB1_RX-
E1
HB2_RX+
F1
HB2_RX-
G1
NC
H1
NC
J1
NC
J2
NC
A5
LB1HB1_TX
A6
LB2HB2_TX
A7
NC
A8
NC
A9
NC
C
C
N
N
8
9
C
B
VCC_DIG
F
N
0
0
0
1
8
5
0
2
0
1
1
C
3
H
H
T
N
Y
S
_
D
D
V
9
8
3
J
F
F
B
G
O
I
B
X
D
_
C
_
D
D
D
D
_
D
V
D
V
D
V
U101
D
D
N
G
2
B
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
2
3
B
2
6
7
5
8
C
D
B
B
B
B
VDD_RX
F
N
0
0
0
1
9
5
0
2
0
1
1
C
8
9
D
C
X
T
_
D
D
V
D
D
D
N
N
N
G
G
G
2
2
2
F
E
G
C130
1000NF
1005
4
4
B
A
X
O
O
R
L
L
_
X
X
T
D
R
_
_
D
D
V
D
D
V
D
D
D
D
N
N
N
N
G
G
G
G
4
2
6
4
F
D
H
D
H4
D
TRX1_I+
V
J4
TRX1_I-
H5
TRX1_Q+
J5
TRX1_Q-
H6
NC
J6
NC
H7
NC
J7
NC
G9
REF1_OUT
G8
REF2_OUT
E6
REF3_OUT
J9
REF_IN+
J8
REF_IN-
H9
REF1_EN
H8
REF2_EN
D5
REF3_EN
E8
SPI1_LE
E9
SPI1_CLK
D9
SPI1_DATA
F5
NC
E4
GND
E5
GND
D
D
N
N
C
C
N
N
G
G
6
1
2
F
C133 1NF
3
21
TP_RF_SPI_LE
TP_RF_SPI_CLK
TP_RF_SPI_DATA
1005
GSM_IP
GSM_IN
GSM_QP
GSM_QN
4
RF_SPI_LE
RF_SPI_CLK
MCLK_26M
OSC100
RF_SPI_DATA
8-39
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’swritten authorization is strictly prohibited.
Level3Repair
8-40
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-18.
GSM850/900 TX
NORMAL CONDITION
catch the channel?
Trouble occurs only in
Check C109,C111,C112
soldering condition for
any damage(crack, open,
Check U100 or U101 for
any damage(crack, open,
2G
band?
etc)
etc)
Yes
No
No
No
NO
Yes
Yes
Try
CHECK soldered components
Repair procedure
8-3-3
C109,C111,C112
esolder or change
R
U100 or U101
Change the board
END
8-41
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’swritten authorization is strictly prohibited.
Level3Repair
DCS_RX_N
DCS_RX_P
PCS_RX_P
PCS_RX_N
GSM850_RX_N
GSM850_RX_P
GSM_RX_N
GSM_RX_P
L105
L107
ANT100
L108
L109
L103
DCS/PCS_TX
GSM850/900_TX
C118
C120
C122
C123
C124
C125
C127
VDD_SYN
ANT101
L100
C102
C103
6
7
8
9
6
OUT
7
OUT
8
OUT
9
OUT
L111 10nH
1005
F
n
0
0
0
1
5
1
0
0
3
1
1
C
OUT
OUT
OUT
OUT
G
C109
G
0
5
1
C100
C111
G
G
G
0
4
5
1
F101
IN
G
G
G
4
2
3
RFS100
21
COMMON
ANT
G
G
3
4
L104
1005
C112
C113
F100
C119
1
IN
G
G
L106
3
2
1
L110
F
P
0
0
1
5
2
0
0
3
1
1
C
C101
C114
C126
VCC_DIG
F
F
N
N
0
0
0
0
0
0
1
1
8
9
5
0
2
2
0
1
1
1
C
C
L101
L102
VBAT
C104
C108
TX_Module
VCC_TX
VDD_RX
C130
5
0
0
1
1000NF
15
VBAT1
3
VBAT2
6
RFIN_HB
7
RFIN_LB
25
RX1
26
RX2
D
D
N
N
G
G
1
4
2
1005
U100
D
D
D
D
D
D
D
D
D
N
N
G
G
5
D
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
9
8
6
7
8
3
0
9
1
1
1
1
2
1
VBAT
C106
C105
2
2
T
N
A
D
D
D
D
D
D
D
N
N
N
N
N
N
N
G
G
G
G
G
G
G
8
0
2
1
9
1
3
2
3
3
3
2
2
2
C107
14
ENABLE
12
SW1
10
TX_EN
11
VRAMP
D
D
D
D
N
N
N
N
C
C
N
G
G
G
G
N
5
6
7
4
3
4
3
2
3
3
3
2
C110
9
8
4
9
F
C
X
O
T
X
_
C
D
D
D
_
V
D
D
V
U101
D
D
D
D
N
N
N
N
G
G
G
G
2
2
2
8
E
B
C
D
4
A
B
D
X
O
O
R
L
L
_
X
X
D
T
R
_
_
D
D
V
D
D
D
V
V
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
2
4
2
6
4
2
F
F
D
H
D
G
6
F
REF1_OUT
REF2_OUT
REF3_OUT
SPI1_DATA
D
N
G
1
TRX1_I+
TRX1_I-
TRX1_Q+
TRX1_Q-
REF_IN+
REF_IN-
REF1_EN
REF2_EN
REF3_EN
SPI1_LE
SPI1_CLK
C
N
2
H4
J4
H5
J5
H6
NC
J6
NC
H7
NC
J7
NC
G9
G8
E6
J9
J8
H9
H8
D5
E8
E9
D9
F5
NC
E4
GND
E5
GND
C
N
C133 1NF
3
21
TP_RF_SPI_LE
TP_RF_SPI_CLK
TP_RF_SPI_DATA
1005
GSM_IP
GSM_IN
GSM_QP
GSM_QN
4
RF_SPI_LE
RF_SPI_CLK
MCLK_26M
OSC100
RF_SPI_DATA
GSM_RX_P
GSM_RX_N
GSM850_RX_P
GSM850_RX_N
PCS_RX_N
PCS_RX_P
DCS_RX_P
DCS_RX_N
GSM850/900_TX
DCS/PCS_TX
3
8
3
J
F
H
H
B
G
I
T
B
D
_
N
_
Y
D
D
S
D
D
_
V
V
D
D
LB1_RX+
LB1_RXLB2_RX+
LB2_RX-
HB1_RX+
HB1_RXHB2_RX+
HB2_RX-
NC
NC
NC
NC
LB1HB1_TX
LB2HB2_TX
NC
NC
NC
9
B
V
D
D
D
D
D
N
N
N
N
N
C
C
N
8
C
G
G
G
G
G
N
7
6
2
3
5
B
B
B
B
B
A3
A2
A1
B1
C1
D1
E1
F1
G1
H1
J1
J2
A5
A6
A7
A8
A9
8-42
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’swritten authorization is strictly prohibited.
Level3Repair
8-43
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-19.
DCS/PCS TX
NORMAL CONDITION
catch the channel?
Trouble occurs only in
2G
Check L104,C113,C114
soldering condition for
any damage(crack, open,
Check U100 or U101 for
any damage(crack, open,
band?
etc)
etc)
Yes
No
No
No
NO
Yes
Yes
Try
CHECK soldered components
Repair procedure
8-3-3
L104,C113,C114
esolder or change
R
U100 or U101
Change the board
END
8-44
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’swritten authorization is strictly prohibited.
Level3Repair
DCS_RX_N
DCS_RX_P
PCS_RX_P
PCS_RX_N
GSM850_RX_N
GSM850_RX_P
GSM_RX_N
GSM_RX_P
L105
L107
ANT100
L108
L109
L103
DCS/PCS_TX
GSM850/900_TX
C118
C120
C122
C123
C124
C125
C127
VDD_SYN
ANT101
L100
C102
C103
6
7
8
9
6
OUT
7
OUT
8
OUT
9
OUT
L111 10nH
1005
F
n
0
0
0
1
5
1
0
0
3
1
1
C
OUT
OUT
OUT
OUT
G
C109
G
0
5
1
C100
C111
G
G
G
0
4
5
1
F101
IN
G
G
G
4
2
3
RFS100
21
COMMON
ANT
G
G
3
4
L104
1005
C112
C113
F100
C119
1
IN
G
G
L106
3
2
1
L110
F
P
0
0
1
5
2
0
0
3
1
1
C
C101
C114
C126
VCC_DIG
F
F
N
N
0
0
0
0
0
0
1
1
8
9
5
0
2
2
0
1
1
1
C
C
L101
L102
VBAT
C104
C108
TX_Module
VCC_TX
VDD_RX
C130
5
0
0
1
1000NF
15
VBAT1
3
VBAT2
6
RFIN_HB
7
RFIN_LB
25
RX1
26
RX2
D
D
N
N
G
G
1
4
2
1005
U100
D
D
D
D
D
D
D
D
D
N
N
G
G
5
D
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
9
8
6
7
8
3
0
9
1
1
1
1
2
1
VBAT
C106
C105
2
2
T
N
A
D
D
D
D
D
D
D
N
N
N
N
N
N
N
G
G
G
G
G
G
G
8
0
2
1
9
1
3
2
3
3
3
2
2
2
C107
14
ENABLE
12
SW1
10
TX_EN
11
VRAMP
D
D
D
D
N
N
N
N
C
C
N
G
G
G
G
N
5
6
7
4
3
4
3
2
3
3
3
2
C110
9
8
4
9
F
C
X
O
T
X
_
C
D
D
D
_
V
D
D
V
U101
D
D
D
D
N
N
N
N
G
G
G
G
2
2
2
8
E
B
C
D
4
A
B
D
X
O
O
R
L
L
_
X
X
D
T
R
_
_
D
D
V
D
D
D
V
V
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
2
4
2
6
4
2
F
F
D
H
D
G
6
F
REF1_OUT
REF2_OUT
REF3_OUT
SPI1_DATA
D
N
G
1
TRX1_I+
TRX1_I-
TRX1_Q+
TRX1_Q-
REF_IN+
REF_IN-
REF1_EN
REF2_EN
REF3_EN
SPI1_LE
SPI1_CLK
C
N
2
H4
J4
H5
J5
H6
NC
J6
NC
H7
NC
J7
NC
G9
G8
E6
J9
J8
H9
H8
D5
E8
E9
D9
F5
NC
E4
GND
E5
GND
C
N
C133 1NF
3
21
TP_RF_SPI_LE
TP_RF_SPI_CLK
TP_RF_SPI_DATA
1005
GSM_IP
GSM_IN
GSM_QP
GSM_QN
4
RF_SPI_LE
RF_SPI_CLK
MCLK_26M
OSC100
RF_SPI_DATA
GSM_RX_P
GSM_RX_N
GSM850_RX_P
GSM850_RX_N
PCS_RX_N
PCS_RX_P
DCS_RX_P
DCS_RX_N
GSM850/900_TX
DCS/PCS_TX
3
8
3
J
F
H
H
B
G
I
T
B
D
_
N
_
Y
D
D
S
D
D
_
V
V
D
D
LB1_RX+
LB1_RXLB2_RX+
LB2_RX-
HB1_RX+
HB1_RXHB2_RX+
HB2_RX-
NC
NC
NC
NC
LB1HB1_TX
LB2HB2_TX
NC
NC
NC
9
B
V
D
D
D
D
D
N
N
N
N
N
C
C
N
8
C
G
G
G
G
G
N
7
6
2
3
5
B
B
B
B
B
A3
A2
A1
B1
C1
D1
E1
F1
G1
H1
J1
J2
A5
A6
A7
A8
A9
8-45
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’swritten authorization is strictly prohibited.
Level3Repair
8-46
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’swritten authorization is strictly prohibited.
Level3Repair
8-3-20.
NC POINT
UCP300 TOP VIEW - SC6820I
1234567891011121314151617181920212223242526272829303132333435
A○○○○○○○○○○○○○○○○○○○○○○●●A
B ○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○●B
C○○○○○○○○○○○○○○○○○○○C
D ○○○○ ○○○ ○○○ ○○○ ○○○ ○○○ ○○○ ○○ ○○D
E ○ ○ ○○○○○○○○○○○○○○○○○○○○○○○○ ○ ○○○E
F ○○ ○ ○○○○○○ ○ ○○○ ○○○○○○ ○○○ F
G○○ ○ ○○G
H○○○ ○ ○○○○H
J ○○○○ ○○ ○ ○○○○○ J
K○ ○○ ○ ○○○○○○K
L ○○○○ ○ ○○○○○○○○○○○ ○ ○○○ ●○ ○○L
M ○○ ○ ○○○○○○○○○○○ ○ ○○○○○ M
N ○ ○○○ ○○○○○○○○○○○ ○ ○ ○○ ○○○○○○N
P ○○○ ○ ○○○○○○○○○○○ ○ ○ ○○○ ○○○P
R ○○○○ ○○○○○○○○○○○ ○○ ○ ○ ○ ○ ○ R
T ○○○○○ ○○○○○○○○○○○ ○○○ ○○○ ○○○○T
U ○○○ ○○○○○○○○○○○ ○○○ ○○○ ○○○○U
V ○○○ ○ ○○○○○○○○○○○ ○○○○ ○○○ V
W ○○○○ ○○○○○○○○○○ ○○ ○ ○○W
Y ○○○○ ○ ○○ ○○○○○○○ ○ ○ ○○ ○○○○Y
AA ○○ ○○○○○○○○○○○ ○○ ○○ ○○○ AA
AB○○ ○ ○ ○ ○ ○○○○AB
AC○○○○ ○○○ ○○○○○AC
AD○○○○ ○○○○○○○○○○○ AD
AE ○ ○○ ○○○○○ ○ ○ ○ ○○○AE
AF○○○○○○○○○○○○○○○○○ ○○ ○ ○○○○○○○AF
AG○○○ ○○○ ○○○ ○○○ ○○○○○ ○○○○○○○○○ AG
AH○ ○○ ○○ ○○ ○○ ○○○○ ○○ ○○ ○○○AH
AJ○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○●AJ
AK○○○○ ○ ○○ ○○ ○○ ○○ ○○ ○ ○○○○○○○○○●●AK
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