Level
8.
Block Diagram
8-1.
Repair
3
8-1
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8-2
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PCB Diagrams
8-2.
8-2-1.
Top
Level3Repair
8-3
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Level3Repair
8-2-2.
Bottom
8-4
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Troubleshooting
8-3.
8-3-1.
8-3-1-1.
Power On" does not work
"
LOGIC part
POWER ON
Level3Repair
Check the current
consumption
100
Check the battery
voltage
Check the Dome
Sheet(Crack,
open, etc)?
Check the clock
at OSC200
=32
mA?
Yes
≥
Yes
Yes
KHz?
Yes
≥
3.45V
No
No
No
No
Download S/W binary
Change the battery
Change Dome Sheet
Resolder OSC200
Voltage of C200
2.7
Voltage of L202
1.1
Check
C241,TP_SYSRS
T≥1.8
Check the initial operation
V?
V?
≥
≥
Yes
V?
Yes
No
Check the related circuit
C200, L202)&change UCP200
(
No
Change PBA
8-5
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Level3Repair
UCP200
UCP200
XTAL26M_IN
XTAL32K_IN
XTAL26M_OUT
XTAL32K_OUT
I2S_CLK
I2S_SYNC
I2S_DATA_IN
I2S_DATA_OUT
RFAG_N
RFAG_P
PMU_SWCORE
PMU_SWCORE
PMU_SWCORE
T1
AC19
R1
AC20
W22
W21
W20
Y22
L1
K1
AB14
AB15
AC15
AC2
VGPIO_2.8V
L202
DCL
FSC
DU
DD
GSM850_RX_N
GSM850_RX_P
VCORE_1.2V
3
4
OSC201
C231
2
1
OSC200
2
1
C232
VGPIO_2.8V
C200
TMS
RTCK
TRST_N
TDI
TCK
TDO
RSTON
C226
C210
C227
C
2
1
6
R312
C201
C215
R215
TH200
C235
0
0
3
Q
C
2
3
9
R
2
1
6
C241
C204
C200
C202
L310
R314
C347
C
2
3
8
R
2
1
7
C
2
2
4
R331
C361
1
V_JTAG
2
TMS
3
RTCK
4
TRST_N
5
TDI
6
TCK
7
TDO
8
PON_RESET_N
9
GND
R224
C
R
2
2
4
2
1
4
ADVn
NCSNAND
OEn
WEn
SYSRST
TP_CS_NAND
TP_OE
TP_WE
TP_SYSRST
UCP200
R
C
3
5
7
C
2
3
6
C362
L
3
0
5
C
3
3
3
1
0
4
R301
C
C
3
2
6
4
3
0
R
R
3
3
0
0
2
4
R303
C
C
3
3
0
0
6
5
L
3
0
7
C
3
1
8
C237
L
3
0
8
L202
C
3
2
3
C208
C207
L2
_AVDO
P1
_CEO
N9
_OEO
C5
_WEO
B4
_RESETO
R
2
0
7
C
2
1
2
TP202
C231 C232
OSC200
UME200
UME200
T
P
E
_
S
Y
W
S
TP203
C205
C223
TP_LB
_
R
S
P
T
T
C225
8-6
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Level3Repair
8-3-1-2.
Charging Part
Abnormal charging part
Display charging
animation
VBUS(C308)
4.5V
Check the
Voltage in C309
Yes
Check
in IF300
Yes
4.8V
≥
No
≥
?
No
No
Download S/W binary
Connect correctly
Replace U301
Yes
Check the Travel Adaptor
crack, damage, etc)
(
8-7
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Level3Repair
IF300
1
2
3
4
5
S1
S2
NC
NC
NC
NC
NC
NC
VBUSVBAT
VBUS_J
USB_DM_J
USB_DP_J
1
2
3
4
5
6
7
8
9
10
11
12
13
C308
C356
5
0
3
D
Z
JIG_ID_J
DM
DP
JIG_ID
6
0
3
D
Z
VBAT
VBUS_5.0V
AUX_ON
AUX_ON_J
VGPIO_2.8V
U301
SFOUT
C302
D2
E1
BAT
D1
BAT
B4
CAP
A3
DN1
A4
DP2
C2
UT1
C1
UR2
E5
SL1
D5
SR2
B1
MIC
C3
IDB
D3
SCL
C4
SDA
A2
INT
VBUS
C310
E2
VB
E3
VB
D4
BC
C5
DM USB_DP
DP
JIG_ID
C358
COMN1
B5
COMP2
A5
UID
A1
VIO
B2
BOOT
B3
JIG
E4
GND
1
NC
2
NC
Z
Z
C
D
D
3
3
3
5
0
0
6
6
5
C308
K
Q
2
0
A
X
-
7
P
-
4
D
I
F
3
0
0
100nFC311
1005
USB_DM
C
3
1
0
C
3
0
9
C
3
1
1
C302
C309
C358
U
3
0
1
TP305
TP306
MUSB_SCL
MUSB_SDA
UART1_TXD
UART1_RXD
TXD1_J
RXD1_J
I2C Slave : 400kbps
VGPIO_2.8V
R313
USB_INT
8-8
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Level3Repair
8-3-1-3.
LCD does not working
LCD back light
Check the LCD
Module(crack,
open, etc)?
HDC300(crack,op
LCD Part
working?
Yes
Check
en, etc)
No
No
No
Check Q301, related circuit(crack,
open, etc)&Resolder Q301, related
circuit
Change LCD module
Resolder HDC300
Yes
Check
F300~304(crack,o
pen, etc)
Yes
Check the
Voltage in C307
Check the display setting
Brightness, backlight, etc)
(
V?
2.7
≥
Yes
No
Resolder F300~304
No
Change UCP200
8-9
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Level3Repair
WLED_DRV
LCD_RS_D
MLCD_CS_N_D
LCD_WR_D
LD(13)
LD(14)
LD(15)
VBAT
C315
L311
1
2
3
4
VGPIO_2.8V
C313
L306
LCD_FLM
LED_P_16V
LED_N
MLCD_RESET
L_LD(0)
L_LD(1)
L_LD(2)
L_LD(3)
L_LD(4)
L_LD(5)
L_LD(6)
C307
F301
IN1
IN2
IN3
IN4
5
OUT1
6
OUT2
7
OUT3
TP304
8
OUT4
GNDGND
10
9
L_LD(3)
L_LD(2)
L_LD(1)
L_LD(0)
LD(7)
LD(6)
LD(4)
F304
OUT1
OUT2
OUT3
OUT4
GND
5
6
7
8
L_LD(12)
L_LD(11)
L_LD(10)
L_LD(9)
IN1
IN2
IN3
IN4
GND
910
C316
C312
1
G
D300
3D
Q301
2S
C317
LED_P_16V
C330
F300
TP302
OUT1
OUT2
OUT3
OUT4
GND
5
6
TP301
TP303
7
8
TP300
L_RS
L_CS
L_RDLCD_RD
L_WR
LD(3)
LD(2)
LD(1)
LD(0)
1
IN1
2
IN2
3
IN3
4
IN4
GND
1
2
3
4
910
F303
IN1
IN2
IN3
IN4
GND
6
OUT2
7
OUT3
8
OUT4
GND
9
10
5
OUT1
L_LD(8)LD(8)
L_LD(13)
L_LD(14)
L_LD(15)
LD(12)
LD(11)
LD(10)
LD(9)
1
2
3
4
HDC300
11
33
55
77 8
99
11 11 12
1313
15 15
1717
19 19
2121
23 23 24
25 252626
2727 28
29
29
C
C
C
N
N
N
2
1
3
3
3
3
1
IN1
2
IN2
3
IN3
4
IN4
GND
10
14
16
18
20
22
30
C
N
4
3
F302
2
2
4
4
6
6
8
10
12
14
16
18
20
22
24
28
30
5
OUT1
6
OUT2
7
OUT3
8
OUT4
GND
VGH
L_RS
L_CS
L_RD
L_WR
L_LD(15)
L_LD(14)
L_LD(13)
L_LD(12)
L_LD(11)
L_LD(10)
L_LD(9)
L_LD(8)
L_LD(7)
L_LD(7)
L_LD(6)
L_LD(5)LD(5)
L_LD(4)
910
C
3
0
F300F301
7
TP304
TP302
C330
C317
D
3
0
0
C
3
1
2
C348
1
0
3
Q
L306
ZD322
C
3
1
6
C313
L
3
1
1
R309
C315
L200
C229
TP301
H
D
C
3
0
0
0
2
3
3
F
TP303
TP300
0
3
0
4
F
F
3
8-10
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Level3Repair
8-3-1-4.
Phone can't access SIM card
SIM Part
Check the voltage
of SIM1,SIM2(C325,
C328)
Check SIM_CLK
Signal(C354,
Check SIM_DATA
Signal(C326,C329)?
2.8
≥
C327)?
V?
Yes
Yes
No
No
No
Replace UCP200
Replace UCP200
Replace SIM300/SIM301
Yes
Check the SIM Card is
damaged
8-11
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Level3Repair
A
SIM_RST
SIM_CLK
TR300
C325
C326
R318
C354
C327
VSIM2_3.0V
C328
11
3
SIM301
22
3
VSIM_3.0V
C325
SIM300
11
22
33
R318
6
6
5
5
4
4
G
G
78GG910
C326
SIM_DATA
SIM2_RST
SIM2_CLK
SIM 1 SIM 2
C354
SIM300
R219
R319
SIM2_DAT
C329
R221
6
6
5
5
4
4
G78GG
G
910
SIM301
UME200
C221
R
C
2
3
0
2
6
7
R319
C328
C
3
2
9
5000-6P-1.5SB
5000-6P-1.5SB
8-12
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Level3Repair
8-3-1-5.
Microphone Part
Microphone does not work
Check Mic Vias
2.6V
≥
C227,C360?
Check MIC
inductor&Cap.
crack,open,etc)
(
Check MIC300
crack,open,etc)
(
Yes
Yes
at
No
No
No
Resolder C227,C360 or Replace UCP200
Resolder L305, C361, C362, C363
Replace MIC300
Yes
Check the MIC working
8-13
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Level3Repair
UCP200
EXT_MIC
INT_MIC
MIC_BIAS
AC9
AC8
AB8
VANA_2.85V
EARMIC_P
MIC_P
VANA_2.85V
C227
C226
C210
R215
TH200
C227 C235
MIC300
OUT
GND
GND
PWR
GND
GND
C
2
3
9
R
2
1
6
C360
L305
C361
C
3
5
C
2
3
6
7
C362
C363
MIC_P
C360
C362
C
L
3
3
0
6
5
3
MIC300
1
2
3
4
5
6
0ohm
C
C
2
2
2
3
4
8
R
2
1
7
R331
C361
8-14
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Level3Repair
8-3-1-6.
Receiver Part
Receiver does not work
Signal on in
ZD309,ZD314
Check RCV
module
crack,open,etc)
(
Check the S/W setting
volume, mute, etc)
(
Yes
Yes
No
?
No
Replace UCP200
Change Receiver Module
8-15
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Level3Repair
RCV_N
RCV_P
ZD309
RCV300
1
1
2
2
U
3
0
1
ZD312
Z
D
3
1
4
Z
D
3
1
2
Z
D
3
0
9
Z
D
3
1
1
ZD314ZD311
8-16
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Level3Repair
8-3-1-7.
Speaker Part
Speaker does not work
Signal on in L307,
Check SPK
crack,open,etc)
(
Check the S/W setting
volume, mute, etc)
(
L308
module
?
Yes
Yes
No
No
Resolder L307,L308
Change Speaker Module
8-17
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Level3Repair
SPKOUT_P
SPKOUT_N
L307
L308
C318
R315
C320
R317
C323
UCP200
R
3
0
2
L
3
0
7
C
3
1
8
L
3
0
8
C
3
2
3
L202
C319
C324
ZD310
SPK300
ZD324
8-18
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Level3Repair
8-3-1-8.
Stereo headset does not work
Stereo Headset Part
Earset detection
working?
Yes
Earset Button
working?
Yes
Earset MIC
working?
No
No
No
Check L303(Crack, open, etc)&Resolder
Check L300, R330(Crack, open, etc)
Check L300, R301(Crack, open, etc)
Resolder L300, R330
Resolder L300, R301
L303
&
&
Yes
Earset Speaker
working?
Yes
Check the S/W setting
volume, mute, etc)
(
No
Check L301, L302, R302, R304, R303
Crack, open, etc)&Resolder L301, L302,
(
R302, R304, R303
8-19
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Level3Repair
T
EAR300
2
CON-A
3
CON-B
CON-E
6
CON-F
7
CON-D
5
CON-C
4
BH101
BOTHHOLE
L
3
0
ZD303
3
Z
D
C
L
3
3
3
0
0
0
2
4
2
Z
C
D
L
3
3
3
0
0
0
1
3
1
3PI_ADC
EARMIC
C306
VGPIO_2.8V
R300R330
R302
R303
R304
EAROUT_L
EAROUT_R
3PI_DETEC
C300
L300
L301
L302
L303
C301
C303
C304
0
1
0
0
3
3
D
D
Z
Z
3
2
0
0
3
3
D
D
Z
Z
L304
R301
4
0
3
D
Z
C357
FM_ANT
C305
ZD300
C147
I
J
A
N
4
9
2
0
E
A
R
3
0
L300
C300
C301
L304
C146
Z
D
3
0
4
UCP200
C
R
C
3
3
3
5
3
1
7
L
3
0
5
C362
0
4
R301
C
3
6
3
C
C
3
2
0
4
6
0
C
2
3
6
R
3
0
4
R303
R
L
3
3
0
0
7
2
C
3
1
8
C
3
0
5
8-20
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Level3Repair
8-3-1-9.
Key Input Part
Key Input does not work
SIM Switch key
working?
Function Key
x4 Key working?
3
Key LED working?
Yes
Yes
No
&
No
No
Check the TACT300(crack, open, etc)
Check Dome sheet(crack, open, etc)
Check U302, LED300~305(crack, open, etc)
Resolder U302, LED300~305, R323~R328
&
change the TACT300
Change Dome sheet&UCP200
&
&
Yes
Check the S/W setting
key auto lock, etc)
(
8-21
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This Document can not be used without Samsung's authorization
Level3Repair
TACT300
KEY_OUT(1) KEY_IN(3)
VBAT
12
ZD322
34
G
567
G
C348
U302
4
VDD VOUT
1
KEY_LED_EN
2
GND
D
N
G
5
R323 R326
C350
LED300
19-217UTD/S759/TR8
R325R324
LED302
LED301 LED303
R327
LED304
R328
LED305
C349
3
CE
SW300
L
E
D
3
R
3
0
2
0
3
4L-DOM-4.5PIE
L
E
D
R
3
3
2
0
6
3
SW302
A
C
T
3
0
0
T
R324
L
E
D
3
0
1
KEYPAD
R328
L
E
D
3
0
5
SW306
KEYPAD
D
3
0
0
L306
C
U
3
C
1
3
2
5
0
C
3
0
2
2
1
9
R325
L
E
D
3
0
2
KEYPAD
SW311
SW316
8-22
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R327
L
E
D
3
0
4
Level3Repair
8-3-1-10.
Vibrator does not work
Check the
vibrator(crack,
open, etc)
Check TR300,
R320(crack, open,
Signal on in pin
1
Vibrator Part
?
Yes
etc)
?
Yes
of TR300
?
No
No
No
Change Vibrator Motor
Resolder TR300, R320
Change UCP200
Yes
Check S/W setting&Reset
S/W setting
8-23
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Level3Repair
MOT_EN
TR300
1
VBAT
MOTOR300
1
C355
1
2
2
R320
3
2
C359
R321
C351
R320
TR300
C352
C342
8-24
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Level3Repair
8-3-1-11.
T-Flash Card does not work
T-Flash Card Part
Check the
microSD
socket(crack, open,
Yes
Check the
voltage C346
V?
2.7
Yes
Signal on in
C345,ZD317~321?
No
No
≥
No
Change CD300(microSD socket)
Change UCP200
Change UCP200
Yes
Check T-flash card(crack,
open, etc)
8-25
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Level3Repair
DETECT_SD
SD_DATA(2)
SD_DATA(3)
SD_CMD
SD_CLK
SD_DATA(0)
SD_DATA(1)
VGPIO_2.8V
VMMC_2.8V
R322
CD300
1
DAT2
2
CD|DAT3
3
CMD
4
VDD
5
CLK
6
VSS
7
DAT0
8
DAT1
9
SWT
10
DET
11
GND
C345
8
7
1
3
D
Z
9
1
1
3
3
D
D
Z
Z
C
3
4
5
1
0
2
2
3
3
D
D
Z
Z
R
3
2
2
D
D
3
3
1
1
8
7
C
D
3
3
4
1
6
9
Z
Z
Z
Z
Z
D
D
3
3
2
2
1
0
C346
12
GND
13
GND
14
GND
0
8-26
0
3
D
C
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Level3Repair
8-3-1-12.
Camera does not work
Check camera
module&socket
crack, open, etc)
(
Check Signal on
in pin4,6 of U303?
Check the
voltage in C353
2.7
≥
Camera Part
?
Yes
Yes
V, C352
1.4
V?
≥
No
No
No
Change camera module&socket
Change UCP200
Resolder U303
Yes
Check Signal on
in C321
Yes
Check S/W setting in camera
mode
No
Change UCP200
8-27
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Level3Repair
VCAM_1.8V_EN
VCAM_2.8V_EN
VBAT
C351
U303
6
CE1
5
VDD
4
CE2 GND
VOUT1
VOUT2
D
N
G
7
VCAM_1.8V
VCAM_2.8V
CAM_VSYNC
CAM_HSYNC
CAM_D(7)
CAM_D(6)
CAM_D(5)
CAM_MCLK
CAM_RST
CAM_PCLK
CAM_D(0)
CAM_SDA
CAM_SCL
CAM_D(1)
CAM_D(2)
CAM_D(3)
CAM_D(4)
C342 C343
C352
VCAM_2.8V
0
0
3
C353
VCAM_1.8V
1
2
3
R321
VCAM_2.8V
C344
SOC300
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
C
O
S
C
C
R
C
3
5
9
R
3
3
2
3
2
5
5
1
1
2
3
6
C
L
3
3
0
4
9
4
R
2
1
8
R321
C
R
3
2
4
1
3
4
C351
R320
3
0
3
U
C352
C342
C
3
5
3
8-28
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Level3Repair
8-3-2.
8-3-2-1.
RF part
GSM850 Receiver
RX ON(Call Connected)
TCH Channel
BCH PWR
Normal condition
Catch the channel?
RFS100
>= -60
PAM100
Pin
>= -70
Pin
:190
=-60
Yes
2
dBm
Yes
15
dBm
dBm
Ch
No
No
No
Check Ant and Resoleder
L100,C124,C117,L103,C120
Resolder RFS100,L104,L101
Check PAM100
Yes
PAM100
Pin
17
dBm
>= -70
Yes
F102
Pin
6,7
dBm
>= -75
Yes
Check UCP200
END
No
No
Check F102,L112,C142
Check C139,L111,C143
crack,open,etc)
(
8-29
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Level3Repair
8-30
SAMSUNG Proprietary-Contents may change without notice
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Level3Repair
8-3-2-2.
GSM850 Transmitter
TX ON(Call Connected)
TCH Channel
TCH Pwr=5Level(33dBm)
BCH Pwr
=-50
RFS100 PIN
dBm
>= 20
PAM100 Pin
>= 20
PAM100 Pi
>= 20
: 190
No
dBm
No
dBm
Ch
dBm
2
15
n4
Yes
Yes
Yes
Resolder L110,C117,C124,L103,C120
Resolder RFS100,L101,L104
Resolder or Change PAM100
No
Check UCP200,L114
crack,open,etc)
(
END
8-31
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Level3Repair
8-32
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Level3Repair
8-3-2-3.
GSM900 Receiver
RX ON(Call Connected)
TCH Channel
BCH PWR
Normal condition
Catch the channel?
RFS100
>= -60
PAM100
Pin
>= -70
Pin
=-60
Yes
2
dBm
Yes
15
dBm
:62
dBm
Ch
No
No
No
Check Ant and Resoleder
L100,C124,C117,L103,C120
Resolder RFS100,L104,L101
Check PAM100
Yes
PAM100
Pin
17
dBm
>= -70
Yes
F102
Pin
8,9
dBm
>= -75
Yes
Check UCP200
END
No
No
Check F102,L112,C142
Check C144,L113,C145
crack,open,etc)
(
8-33
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Level3Repair
8-34
SAMSUNG Proprietary-Contents may change without notice
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Level3Repair
8-3-2-4.
GSM900 Transmitter
TX ON(Call Connected)
TCH Channel
TCH Pwr=5Level(33dBm)
BCH Pwr
=-50
RFS Pin
>= 20
PAM100 Pin
>= 20
PAM100 Pi
>= 20
dBm
No
dBm
No
dBm
:62
dBm
2
17
n27
Ch
Yes
Yes
Yes
Resolder L110,C117,C124,L103,C120
Resolder RFS100,L101,L104
Resolder or Change PAM100
No
Check UCP200,L114
crack,open,etc)
(
END
8-35
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Level3Repair
8-36
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Level3Repair
8-3-2-5.
DCS Receiver
RX ON(Call Connected)
TCH Channel
BCH PWR
Normal condition
Catch the channel?
RFS100
>= -60
PAM100
Pin
>= -70
Pin
:698
=-50
Yes
2
dBm
Yes
15
dBm
dBm
Ch
No
No
No
Check Ant and Resoleder
L100,C124,C117,L103,C120
Resolder RFS100,L104,L101
Check PAM100
Yes
PAM
Pin
18
dBm
>= -70
Yes
F101
Pin
6,7
dBm
>= -75
Yes
Check UCP200
END
No
No
Check F101,C135,L109
crack,open,etc)
(
Check C133,L108,C134
crack,open,etc)
(
8-37
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Level3Repair
8-38
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Level3Repair
8-3-2-6.
TCH Pwr=0Level(30dBm)
DCS Transmitter
TX ON(Call Connected)
TCH Channel
BCH Pwr
RFS Pin
>= 20
PAM100 Pin
>= 20
PAM100 Pi
>= 20
=-50
dBm
dBm
: 698
2
No
No
dBm
No
Ch
dBm
15
n2
Yes
Yes
Yes
Check Ant and Resoleder
L100,C124,C117,L103,C120
Resolder RFS100,L101,L104
Resolder or Change PAM100
Check UCP200,C149
crack,open,etc)
(
END
8-39
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Level3Repair
8-40
SAMSUNG Proprietary-Contents may change without notice
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Level3Repair
8-3-2-7.
PCS Receiver
RX ON(Call Connected)
TCH Channel
BCH PWR
Normal condition
Catch the channel?
RFS100
>= -60
PAM100
Pin
>= -70
Pin
:661
=-50
Yes
2
dBm
Yes
15
dBm
dBm
Ch
No
No
No
Check Ant and Resoleder
L100,C124,C117,L103,C120
Resolder RFS100,L104,L101
Check PAM100
Yes
PAM
Pin
18
dBm
>= -70
Yes
F101
Pin
8,9
dBm
>= -75
Yes
Check UCP200
END
No
No
Check F101,C135,L109
crack,open,etc)
(
Check C136,L110,C138
crack,open,etc)
(
8-41
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Level3Repair
8-42
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Level3Repair
8-3-2-8.
PCS Transmitter
TX ON(Call Connected)
TCH Channel
TCH Pwr=0Level(30dBm)
BCH Pwr
=-50
RFS100 Pin
dBm
>= 20
PAM100 Pin
dBm
>= 20
PAM100 Pi
>= 20
: 661
No
No
dBm
No
Ch
dBm
2
15
n2
Yes
Yes
Yes
Check Ant and Resoleder
L100,C124,C117,L103,C120
Resolder RFS100,L101,L104
Resolder or Change PAM100
Check UCP200,C149
crack,open,etc)
(
END
8-43
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Level3Repair
8-44
SAMSUNG Proprietary-Contents may change without notice
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Level3Repair
8-3-2-9.
FM RADIO
FM RADIO is out of order.
Earphone Deteced?
No SOUND?
Earphone mode
(
Loud mode)
Yes
Yes
Yes
No
No
Resolder L303, UCP300 and Neighboring Circuits.
Resolder
C146,C233,C234,R216,R217,R302,R304,L301,L302
C146,C233,C234,R216,R217,L307,L308,C301
Earphonemode:
C301
Loude mode:
C141, C148
Change U104 and
Resolder Neighboring Circuits
=2.8V?
Yes
No
Check UCP200
.
8-45
SAMSUNG Proprietary-Contents may change without notice
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Level3Repair
T
FM_ANT
C146
C147
32KHz_DIGIT
1
2
3
4
GNDRF
RFIN
NC
BUSMODE
VGPIO_2.8V
C140
C141
VGPIO_2.8V
C357
9
1
1
1
C
N
1
1
1
1
D
C
A
C
C
C
N
N
D
C
N
N
G
V
N
G
12
ROUT
U104
L
A
T
X
5
11
LOUT
10
GNDD
9
VCCIO
O
K
N
I
E
C
A
S
T
O
A
L
U
B
D
C
6
7
8
L
A
C
D
S
S
_
_
M
M
F
F
VGPIO_2.8V
FM_R
FM_L
C148
EAR300
2
3
6
7
5
4
CON-A
CON-B
CON-E
CON-F
CON-D
CON-C
0
1
0
0
3
3
D
D
Z
Z
L300
C303
2
3
0
0
3
3
D
D
Z
Z
3
4
6
5
8
7
C300
R301
L301
L302
L303
C301
FM_ANT
C304
L304
4
0
3
D
Z
R300R330
3PI_ADC
EARMIC
C305
R302
EAROUT_L
R303
R304
EAROUT_R
3PI_DETEC
C306
C233
R216
FM_L
R217C234
FM_R
C239
C238
SPKOUT_P
SPKOUT_N
C318
L307
L308
R315
C320
R317
C323
ZD310
C319
SPK300
ZD324
C324
8-46
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Level3Repair
8-3-2-10.
BLUETOOTH
Bluetooth is out of order.
Yes
Check
ANT condition is OK?
crack etc)
(
Yes
Check C116, L102
crack,open,etc)
(
Yes
Check
F100
crack,open,etc)
(
No
No
No
Change Ant102
Resolder or Change
C116
Resolder or Change
F100
Yes
Check
L105=1.5V?
Yes
Check
R104, C100,C102
C109
=2.8?
Yes
Check
C119
CHECK U103 and Neighboring Circuits
crack,open,etc)
(
=26
END
Mhz?
Yes
No
No
No
CHECK U103 and Neighboring Circuits.
CHECK U100 and Neighboring Circuits.
crack,open,etc)
(
crack,open,etc)
(
Check UCP200
8-47
SAMSUNG Proprietary-Contents may change without notice
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Level3Repair
SYS_CLK_REQ
SPI_DATAIN
BT_INT
SPI_SCS
SPI_SCLK
SPI_DATAOUT
BT_LDO_1.5V
VBT_2.8V
R105
R104
B4
C4
TP100
DD
DU
DCL
FSC
TP103
TP104
TP105
32KHz_DIGIT_P
R108
B5
C5
C6
E7
B7
D5
C7
G4
H2
H3
H4
G7
F6
F7
G6
H7
D6
E5
E6
VBT_2.8V
R101
C107
1
6
7
7
1
H
D
A
A
G
E
S
S
A
O
I
R
D
D
N
D
A
A
O
A
A
_
P
P
C
R
_
_
D
_
_
D
D
D
D
D
D
D
V
D
AIO0
PIO0
PIO1
PIO2
PIO3
PIO4
PIO5
PIO7
PIO9
PCM_IN
PCM_OUT
PCM_CLK
PCM_SYNC
SDIO_DATA0|CSPI_MISO|UART_TX
SDIO_DATA1|CSPI_INT|UART_RTS
SDIO_DATA2|UART_RX
SDIO_DATA3|CSPI_CS#|UART_CTS
SDIO_CLKCSPI_CLK
SDIO_CMDCSPI_MOSI
SDIO_SD_CS#
CLK_32K
A
N
A
_
S
S
V
3
C
U103
G
I
D
_
S
S
V
5
6
H
B
V
V
G
I
O
D
L
_
_
S
S
S
S
V
V
1
C
D
V
V
SPI_MISO
SPI_MOSI
VREGIN_H
VREGIN_L
VREGOUT_H
VREGENABLE
XTAL_OUT
N
E
O
I
E
D
R
A
C
R
S
_
_
S
S
S
S
V
V
1
3
F
E
C103
SPI_CLK
SPI_CS#
XTAL_IN
LO_REF
TEST_EN
C100
VBT_2.8V
C104
VBAT
C102
BT_EN
C108
U100
4
VDD VOUT
3
CE
GND
D
N
G
5
VBT_2.8V
1
2
C109
R107
H1
E4
F4
G2
A5
B2
A4
A6
E2
RF_N
F2
RF_P
C119
A3
A2
G3
TP101
RST#
B3
G5
C2
N|CS
D2
N|CS
D4
N|CS
F5
N|CS
1
NC
2
NC
BT_CLK
BT_RST
BT_LDO_1.5V
C125
C115
F100
4
UNBAL
BAL
D
6
N
BAL
G
|
C
C
GG78G
N
D
3
2
5
L105
C127
C116
1
L102
L106
1
2
ANT102
1
2
8-48
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