Page 1
Level
8.
Block Diagram
8-1.
Repair
3
SAW
BT ANT
3.5 pi
Socket
LCD Module
Back Light Driver
1.3M Camera
SAW
BT Module
FM_ANT
EAR_3.5
L/R
FLM,LCD RD
LCD_RS
LCD_DATA(0:7)
LCD_RST,RS,WR
EN_LCD_BL
SUB LCD
Module
CAM_SCL, RST
CAM_VSYNC HBYNC
CAM_DATA(0:7)
CAM_MCLK_OUT
CAM
LDO
FM
LNA
COMP
EAR
AMP
SUB_LCD_CS
CAM_SDA
EN_CAM_PWR
CLK26M_BT
BT_RST
BT_REQ_CLK
PCM_CLK
PCM_SYND
PCM_TXD
PCM_RXD
UART2_TXD
UART2_RXD
FM_LNA_SW
FM_LNA_OUT
3.5_DETECT
EAR_SPK_L/R
BASE Band
Catfish 213
PMB880
DCS1800/PCS190_RX
GSM850/900_RX
BS1/BS2
TX_EN
VLOGIC
RAMP
HB / LB _TX
AD(0:15)
A(16:24)
DETECT_SD
SD_CMD
SD_CLK
SD_DATA(0:3)
SIM_RST
SIM_CLK
SIM_I/O
USB_SW_DET
USB_12C_SCL
USB_12C_SDA
USB_DM/DP_BB
UART1_TXD
UART1_RXD
Main Key
512M_NOR+128M_PSRAM
Key_COL(0:5)
Key_ROW(0:4)
CON
ONKEY_N
2G PAM
SWITCH
Module
MEMORY
SD
Socket
SIM
Socket
Switching
IC
Main ANT
RF
SW
SD
CARD
SIM
CARD
U
S
B
C
O
N
N
EAR_PHONE
EAR_KEY
COMP
EAR_ADC
RCV P
RCV N
SPK P
SPK N
RCV
SPK
8-1
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Page 2
Level3Repair
PCB Diagrams
8-2.
8-2-1.
Top
S
C
1
0
4
G206
C424
L
1
1
0
T
2
N
A
2
3
C
3
0
L
V501
]
4
[2
A
_
P
T
M
O
R
_
h
s
la
F
_
S
C
_
P
T
O
W
T
_
D
A
_
P
T
n
D
R
_
P
T
O
R
E
Z
_
D
A
_
P
T
R
2
0
3
C
5
1
3
R518
L202
C224
O
S
C
2
0
1
R204
C204
C218
C222
R205 R206
L102
L
L
1
1
0
0
1
3
L100
F100F101
C106
C122
3
0
C306
0
C
L
1
1
C
R
2
2
C
C
C
C
2
5
5
4
1
1
1
1
0
9
9
C414
C405
S
C
1
0
0
1
3
1
2
1
C120
1
7
3
8
U101
R
3
0
5
R
1
0
7
R
1
1
2
D
X
T
_
T
R
A
U
_
P
T
TP_UART_RXD
C116
C428
R111
R423
C426
L405
R420
L406
R421
C429
C427
C
C512
5
1
1
R517
C510
R116R117
2
0
1
F
C
C
1
1
3
1
0
9
L120
R307
Q
3
0
4
R
3
R301
Q
0
4
3
R303
0
1
SIM500
C
N
TH200
C202
C223
C203
C239 C240
L115
R102
L116
L117
C
C
1
1
C
C
R
L
0
0
1
1
1
1
0
4
1
1
1
0
4
3
4
1
C132C133
0
0
1
M
A
P
C
C
R
R
R
1
1
1
1
1
1
0
0
1
1
5
7
5
4
3
2
0
0
C508
C514
R505
1
0
1
C
S
7
U301
C
5
0
7
C304
R313
ZD503
C
3
0
5
C
U300
5
C
0
3
0
4
3
R
R
3
1
5
2
H
E
A
5
0
0
R302
3
3
0
0
0
2
Q
Q
R314
_
W
n
E
C
5
0
1
R524
C
C
C
2
2
2
0
0
1
1
9
6
L201
C
C
2
2
0
3
6
2
C
C
C
C
2
2
2
2
1
3
3
3
7
6
3
5
C409
R208
C406
R207
C230
C205
C402
U
4
0
C210
1
C207
C
R
2
4
3
0
1
6
C415
I
F
C
4
0
0
D
_
X
T
P
T
D
X
_
R
P
T
C302
2
0
F
5
R
0
2
0
1
0
S
C
1
0
C
2
5
1
5
F
5
0
2
F
5
0
1
R
5
0
3
5
0
3
R306
Q
P
T
T
P
_
W
n
A
IT
UME200
TP_ADVn
C
2
3
8
C213
C215
0
C
C225
2
2
C200
0
OSC200
C221
C
4
2
3
0
3
5
C
4
2
3
C300
Z
R416
D
4
0
R418
6
L301
R
3
0
8
L409
R
U
3
0
3
9
C430
0
T
N
2
I
_
W
S
C421
_
B
S
U
_
P
T
L
R
4
3
0
1
2
0
C417
C301
C506
BTC500
R
R
5
5
0
0
0
1
R403
5
0
1
D
Z
C407
U
4
0
C408
0
R
R
5
5
0
0
C403
4
2
C404
C214
M
A
_
R
S
_
C
T
P
C208
V500
C219
2
0
P
C
U
C226C227
L111
L
Q
L
1
1
1
1
0
3
L109
C143 C144
L108
L112
C111C112
C
1
0
8
L107
L106
C
1
3
4
C
4
L
1
1
6
2
1
R
1
1
5
102G002G
L408
C126
ZD403
0
4
0
R
A
E
R
C
1
ZD502
1
1
2
L118
0
7
R
4
C121
0
U
0
R
R
1
1
4
0
0
1
0
8
2
C
4
0
1
R407
R
C
C
1
2
1
0
2
2
9
8
9
C
C
L
2
2
1
0
2
2
0
9
8
0
0
5
T
C
A
T
1
0
5
T
C
A
T
R507
R
5
0
8
ZD506
L407
R402
2
0
4
D
Z
R
4
0
9
C400
L404
R424
R401
R414
2
0
R415
4
R422
U
R509R510
R506
0
0
5
D
C
C105
C135
C101
C109
A
A
N
N
T
T
1
1
0
0
1
0
R
F
S
1
0
0
G207
SC103
ZD404 ZD405
C433 C434
L
4
1
Z
D
4
0
1
1
L
4
1
0
MIC400
8-2
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C412C413
C410C411
4
0
1
K
P
S
4
0
0
K
P
S
Page 3
Level3Repair
8-2-1.
Bottom
U102
S
O
F
T
_
O
N
E
M
P
_
T
H
R
E
E
L
E
F
T
U
P
OK
R
I
G
H
T
T
P
_
M
E
M
_
C
L
K
S
O
F
T
_
T
W
O
C
A
M
DOWN
S
E
N
D
T
P
_V
D
DFS
LED505
R516
CANCEL
LED504
E
N
D
R515
C212
C237
O
N
E
F
O
U
R
SEVEN
R
5
2
1
T
S
T
W
O
R513
L
E
D
5
0
2
F
I
V
E
E
I
R514
L
E
D
5
0
3
R
5
2
2
R
A
G
H
T
Z
E
R
O
R511
L
E
D
5
0
0
R512
L
E
D
5
0
1
T
H
R
E
E
SIX
N
I
N
E
R
5
2
3
S
H
A
R
P
8-3
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Page 4
Level3Repair
Flow Chart of Troubleshooting
8-3.
presetting methods for checking TP
（
GND&TP(exp. VBAT=
-
look over the coming out signal.
-
C10
6, C220, C323
using Oscilloscope
)
GND
Oscilloscope
TP(Test Point)
8-4
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Page 5
Multi-meter
Level3Repair
EX) to look up the TP, shunt Cap.
-
SAMSUNG Proprietary-Contents may change without notice
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Checking the TP(test point) using Multi-meter
if checking the GND, you can listen"beep"
-
if checking the Signal, you can't listen it.
8-5
Page 6
Level3Repair
8-3-1.
Power On
Power On'does not work
'
Check the Battery Voltage
is more than
TP:C106,C107,C218,C219
(
C220, C206)
VDD_1.8V
(
Yes
Yes
=
TP: C237)
3.7V
1
No
V?
.8
No
Change the Battery
Because of batt. power low)
(
Check the Main Chip related to
SD1_FB=1.8V(TP:C235)
to lookover the Chip damage)
(
Yes
Check the Clock at
UCP200 A11pin
CLK26M)
(
TP:OSC201
(
END
=26M
1,3
Yes
HZ
pin
Check the Main Chip
to lookover the Chip damage)
No
)
(
OSC201
(TP:
using the oscilloscope)
pin/look over the
1,3
waverform
8-6
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Page 7
Level3Repair
20
19
17
10
11
12
13
GPCTRL0
GPCTRL1
GPCTRL2
RX1
RX2
RX3
RX4
1
C108
D
N
G
L106
2
L107
D
N
G
4
RF
4
8
1
1
T
N
A
PAM100
D
D
D
D
N
N
N
N
G
G
G
G
9
8
7
6
VBAT
VDD_2.9V
TP_VDDFS
SHORT TRACE
C106
C107
VCHG
VDDCHG
C220
C218
C219
L114
R101
UCP200
3
2
E
E
R
R
O
X
R
G
S
O
I
F
X
C
O
C
S
S
V
9
J
R
O
S
L
M
C
D
R
R
T
L
D
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
V
V
V
V
V
V
V
V
V
2
5
5
5
2
2
3
4
4
1
1
1
1
1
1
1
1
1
F
L
F
F
F
P
E
C
G
AD(0)
AD(1)
AD(2)
AD(3)
AD(4)
AD(5)
AD(6)
AD(7)
AD(8)
AD(9)
AD(10)
AD(11)
AD(12)
AD(13)
AD(14)
AD(15)
B16
FE1
A14
FE2
M10
FMRIN
M11
FMRINX
G11
FSYS1
F11
FSYS2
K15
FSYS_EN
R14
HSL
T14
HSR
A11
XO
B11
XOX
R9
ONOFF
R7
SD1SW
T6
SD1_FB
R3
ADV_N
J1
RD_N
L13
RESET_N
H15
TRST_N
J6
WAIT_N
R4
WR_N
K16
TRIG_IN
B4
T2IN
C13
PABIAS
B13
PABS
C12
PAEN
R10
ACD
P9
ANAMON
N11
VDD_FMR
C14
VDET
T8
VIB
P10
VPMU
A13
VRAMP
T10
VREF
H10
VRF1
L10
VRTC
K6
U
1
B
M
I
D
O
P
S
V
_
_
_
X
S
S
S
S
S
S
S
S
V
V
V
V
8
9
7
T
T
R
VSHNT
DON’T CONNECT H10 & J10
3
4
1
2
C
C
C
C
C
C
IN SAME LAYER
N
N
N
N
N
N
6
6
1
1
1
1
2
1
T
A
T
A
CLK26M_BT
BT_REQ_CLK
EAR_SPK_L
EAR_SPK_R
ONKEY
ADVn
RDn
TRSTn
WAITn
WEn
CLOSE TO THE PIN
VLOGIC
BS2
3.5_DETECT
BS1
TX_EN
EAR_ADC
MOT_EN
RAMP
VSHNT
T
T
A
B
V
D
D
D
N
N
N
G
G
G
6
5
3
1
1
2
RFIN_LB
RFIN_HB
VRAMP
TX_EN
D
D
N
N
G
G
4
2
C132
3
C133
5
22
21
ISOLATE
RST_BB_J
RST_BB
C235
C221
K3
K2
L1
M1
N3
M2
N1
P2
K1
L4
L2
L3
N2
P5
P1
P3
VDD_IO1_1.8V
C236
A|D0
A|D1
A|D2
A|D3
A|D4
A|D5
A|D6
A|D7
A|D8
A|D9
A|D10
A|D11
A|D12
A|D13
A|D14
L201
4
6
8
8
8
5
1
1
T
N
P
K
P
G
E
U
T
P
X
G
R
A
S
U
H
M
T
B
A
O
P
C
A
V
_
V
C
V
B
T
V
V
A
B
V
0.15T ISOLATE VBAT(0.3T)0.3T 0.3T
L200
VDD_1.8V
C232
R207
MIC_SEL
R208
VDD_1.8V
C233
C212
4
0
4
1
1
T
J
P
1
P
G
8
C
H
V
8
C
1
V
D
D
1
D
D
D
V
V
D
V
UCP200
CLOSE TO THE PIN
C237
8
G
9
F
E
S
F
R
D
O
D
C
V
D
D
V
VDD_NEG_1.3V
VDD_IO2_1.8V
9
7
K
G
2
1
IO
IO
D
D
D
D
V
V
C228
C229
VDD_EBU_1.8VVDD_1.8V
VDD_TRX_1.4V
VDD_TDC_1.3V
VDD_RF2_2.5V
3
3
6
1
4
2
2
5
1
1
1
1
1
1
1
R
E
B
B
A
H
R
G
2
X
C
D
S
G
U
O
F
R
E
B
D
X
M
M
R
T
T
E
N
D
D
M
D
_
D
D
D
D
D
D
D
D
D
D
V
D
V
D
V
V
D
V
V
V
V
OSC201
43
1
2
C238
VBAT
2
7
7
1
L
P
P
1
C
C
I
D
M
M
S
M
_
V
V
D
D
V
FM_LNA_OUT
C206
3
8
1
M
P
M
I
S
V
0.15T
VDD_IO1_1.8V
VBAT
8-7
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Page 8
Level3Repair
L201
C
C
2
2
0
3
6
2
C
C
C
C
2
2
2
2
3
1
3
3
5
7
3
6
R208
C409
R207
C406
C230
C205
C402
U
4
0
C210
1
C207
C
R
2
4
3
0
1
6
C415
I
F
C
4
0
0
G206
D
_
T
X
P
D
T
X
_
R
T
P
C302
C
5
1
3
C208
V500
R518
L202
C224
O
S
C
2
0
1
R204
C204
C218
C222
R205 R206
TH200
C202
C223
C203
BOTTOM
DOWN
LED504
T
P
_
M
E
M
_
C
L
K
E
N
D
C225
C200
C221
C213 C215
C
2
2
0
M
A
R
_
S
_
C
P
T
2
0
0
P
C226C227
OSC200
C219
C
U
CANCEL
C
4
2
3
0
3
C301
Z
D
4
0
6
R
3
0
8
R
3
0
9
R
3
1
0
T
IN
_
W
S
_
B
S
U
_
P
T
C300
Q
L409
C430
C421
C
L
4
4
0
1
2
6
C417
5
C
4
2
3
R416
R418
L301
U
3
0
2
L111
L
1
1
0
L109
C143 C144
L108
C
1
0
8
L107
L106
C
1
3
4
L
1
2
1
R
1
1
5
L102
L
L
L
1
1
1
0
0
1
1
3
3
L112
C111C112
L100
C106
C239 C240
F100F101
L115
R102
L117
L116
C
C
1
1
C
C
R
L
0
0
1
1
1
1
4
0
1
1
1
0
4
4
3
1
C132C133
1
0
1
C
S
1
0
0
M
A
P
C
R
C
R
R
1
1
1
1
1
0
0
1
1
1
5
7
5
3
4
T
W
O
R515
C212
C237
T
H
R
E
E
R511
L
E
D
5
0
0
8-8
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Page 9
Level3Repair
8-3-2.
Initial
Initial Failure
Yes
CN200(RST_BB_J
using the oscilloscope GND
SHORT PAD.
CP200pin D2
U
TP:TP_RST
(
) > 1.7V?
Yes
>1.7V?
)
&
No
R
No
Change PBA to check TP_RST.
Resolder UCP
ST_BB_J)must be higher than
200
1.7
V.
Yes
Check the16bit data signals.
Yes
END
8-9
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This Document can not be used without Samsung's authorization
Page 10
Level3Repair
8-10
SAMSUNG Proprietary-Contents may change without notice
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Page 11
Level3Repair
8-3-3.
Charging Part
Abnormal charging part
Yes
Check the Battery&TA
connection.
Yes
R304
> 4.9
Yes
V
?
No
No
be possible that it's not soldering well)
(
Reinsert the Battery or TA.
Resolder R304
Check the Q304 pin
>4.9V ?
Yes
END
4
No
Replace Q304 usingaHeatgun
8-11
SAMSUNG Proprietary-Contents may change without notice
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Page 12
Level3Repair
CS
VBAT
PARALLEL FROM R307(0.1T)
Q301
1
2
34
6
5
VDDCHG
P
N
_
_
E
E
S
S
N
N
E
E
S
S
R307
VBUS_5V_OUT
TNHSVBSC
R301
R303
3
1
2
5
6
4
Q304
CHARGING CIRCUIT
L
1
1
T
0
2
N
2
3
U301
C506
BTC500
U
4
0
0
C404
V501
A
L
C122
3
0
C306
0
C
R
5
5
0
1
9
9
C414
C405
R304
VCHG
R305
C400
R401
C424
L408
C126
ZD403
0
0
4
R
A
E
R
C
1
1
1
2
L118
0
7
R
4
C121
0
0
U
R
R
1
4
1
0
1
0
0
2
8
C
4
0
1
R407
C
R
C
2
1
1
2
0
2
8
9
9
C
C
L
2
2
1
0
2
2
0
9
8
102G002G
C
L
1
1
2
2
2
4
Q
3
0
1
C
C
C
C
1
1
1
1
3
1
2
1
8
2
0
1
F
C
C
1
1
3
1
0
9
L120
R307
Q
3
0
4
R
3
R301
0
4
R303
1
U101
R
3
0
5
C120
7
3
R
1
0
7
R
1
1
2
D
X
T
_
T
R
A
U
_
P
T
TP_UART_RXD
C116
C428
R111
R423
C426
R420
L405
R421
L406
C429
C427
C
C512
5
1
1
R517
C510
R116R117
R402
L407
2
0
4
D
L404
R424
Z
R414
R
R415
4
0
9
R422
2
0
4
U
8-12
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Page 13
Level3Repair
8-3-4.
Sim Part
Phone can't access SIM Card
Yes
SIM
pin1(C510)
500
After Power ON,
Check SIM_CLK Signal on
pin3(C512)of SIM
method:wiring pin3and
(
checking its waveform using an
second
≒
Yes
500ina
s.
2.85V
few
No
No
Resolder C510 R518, V500
insert SIM card&access it,
then must be sim pin1 or C510
Resolder or Replace SIM500 connector.
Because of not soldering well)
(
> 2.84V
Yes
After SIM card insert,
SIM
pin2(C511, SIM_RST)
500
method:wiring pin3and check
(
look over if it get damaged.)
(
2.85V?
its waveform using an
oscilloscope)
Yes
Check the SIM Card
Yes
END
】
No
Confirm an another PBA
8-13
SAMSUNG Proprietary-Contents may change without notice
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Page 14
Level3Repair
VSIM_2.85V
SIM_RST
SIM_CLK
R517
C510
SIM500
6
11
2
5
2
33 4
G
G78GG
10
9
C511
C512
SIM CON
6
5
4
R518
0
0
5
V
C513
SIM_IO
UME200
C219
U
R
R
1
4
1
0
1
C427
R
R
3
3
R403
C407
C408
C403
C214
C414
U
4
C405
0
0
C404
]
4
2
[
A
_
P
T
M
O
R
_
h
s
a
l
F
_
S
C
_
P
T
O
W
T
_
D
A
_
P
T
n
D
R
_
P
T
O
R
E
Z
_
S
D
A
_
P
C
T
1
R
0
0
2
0
3
C
5
1
3
C208
V500
R518
L202
C224
O
S
C
2
0
1
R204
TH200
C202
C204
C223
C218
C203
C222
R205 R206
R301
0
Q
3
0
1
0
5
4
R303
C510
R116R117
C512
R517
SIM500
C
N
2
0
0
C
R
R415
5
4
1
0
1
9
R422
2
0
4
U
0
0
2
8
C
4
0
1
R407
C
R
C
1
1
2
0
2
2
9
8
9
C
C
L
2
2
1
0
2
2
0
9
8
0
0
5
T
C
A
T
1
0
5
T
C
A
T
L102
L111
L
L
L
L
1
1
1
1
0
0
1
1
3
1
0
3
C514
C508
R505
8-14
SAMSUNG Proprietary-Contents may change without notice
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R507
R
5
0
8
ZD502
R509R510
R506
ZD506
Page 15
Level3Repair
8-3-5.
Microphone Part
Main MIC
Microphone does not work
MIC hall wil be Checked
blocked up by MIC rubber or
C207, R406, L409
at MIC Active?
C207's on one side, it will
(
Yes
others
OK
be0V)
Not OK
2.2V
≒
No
MIC rubber set correctly or
Clean the MIC hall.
Replace UCP200 usingaHeatgun
Because of not soldering well
(
)
Yes
Check the status of soldering
L409, L402
ex. Crack)
(
OK
Check the MIC sample.
it be possible the problem
(
things)
OK
END
NotOK
NotOK
Resolder L409,
not work if those is not connected.)
(
Replace an another MIC
because of being possible the problem)
(
402
8-15
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Page 16
Level3Repair
Blocked MIC hall up by MIC rubber check points
（
V_MIC_2.2V
MIC400
OUT
GND
GND
PWR
GND
GND
C
C
C
C
2
2
2
2
1
3
3
3
7
3
5
6
R208
C409
R207
C406
C230
C205
C402
G206
U
4
0
C210
1
C207
C225
R
C
4
2
0
3
6
1
C200
C221
C415
C
4
2
5
I
F
C
4
0
0
A
N
T
1
0
1
C
4
2
3
R416
R418
U
3
0
2
_
T
D
P
T
X
D
X
_
P
T
R
C302
C105
C135
C101
C109
A
N
T
1
0
0
9
0
4
L
1
2
3
4
5
6
C430
C417
L402
C416
ZD401
C421
MIC_MAIN_P
MIC_MAIN_N
MAIN MIC
2
0
0
P
C
U
C
C226C227
2
2
0
OSC200
3
0
3
Q
C300
Z
D
4
0
6
L301
R
3
0
8
L409
R
3
0
9
C430
T
N
I
_
W
S
_
C421
B
S
U
_
P
T
C
L
R
4
4
3
0
1
1
2
6
0
C417
C301
R
F
S
1
0
0
L111
L
1
1
0
L109
C14 3 C144
L108
C
1
0
8
L107
L106
C
1
3
4
L
1
2
1
R
1
1
5
L
1
1
3
R204
C204
C218
C222
R20 5 R206
L102
L
1
0
1
L100
L112
C111C112
C106
SC103
O
S
C
2
0
1
TH200
C202
C223
C203
L
1
0
3
C23 9 C240
F100F101
L115
R102
L116
C
1
0
0
L117
C
1
C
C
R
L
0
1
1
1
1
4
1
1
1
0
4
3
4
1
C132C133
1
0
0
M
A
P
C
R
R
C
R
1
1
1
1
1
0
0
1
1
1
7
5
3
5
4
C
N
2
0
0
1
0
1
C
S
G207
Z
D
4
0
1
MIC400
8-16
SAMSUNG Proprietary-Contents may change without notice
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Page 17
Level3Repair
8-3-5.
Microphone Part
Speaker Phone MIC
Please see the sub circuit schematic.
-
Microphone does not work
Sub MIC hall wil be Checked
blocked up by MIC rubber or
Main C207, R406
Main C207 on one side, it
(
Yes
others
OK
at MIC Active?
will be0V)
Not OK
2.2V
≒
No
MIC rubber set correctly or
Clean the MIC hall.
Replace UCP200 usingaHeatgun
Because of not soldering well
(
)
Yes
Sub C107, R202
at MIC Active?
Sub C107 on one side, it will
(
Check the status of soldering
L200, L201, C211, C214, R203,
Check the MIC sample.
it be possible the problem
(
be0V)
R206
ex. Crack)
(
things)
Yes
OK
OK
2.2V
≒
No
NotOK
NotOK
Check and Change the Con to Con connector
Main PCB to Sub PCB connected)
(
Resolder L200, L201, C211, C214,
not work if those is not connected.)
(
because of being possible the problem)
(
ex. Pin short, etc)
(
R203, R206
Replace an another MIC
END
8-17
SAMSUNG Proprietary-Contents may change without notice
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Page 18
Level3Repair
0
0
0
Check points
C
R
R
2
2
2
12
02
03
U100
R
2
06
0
2
C
I
M
L201
ZD202
ZD203
C214 C215
C210C211
L200
C216C217
L203
R205
0
0
2
D
L202
Z
R204
1
0
2
D
CON2
Z
C100
C106
C101
C102
C111
C109
C107
CN100CN101
C105
C104
C103
U
2
0
C202
1
C208
U
2
0
0
C
C
2
2
00
01
C
C213
D200
O
N
2
U101
V_MIC_2.2V
R202
C210
R203
MIC200
ZD202
ZD203
L200
C211
C217
C214
L201
C212
5
0
0
1
R206
SPK PHONE MIC
SAMSUNG Proprietary-Contents may change without notice
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MIC_SPK_P
MIC_SPK_N
8-18
Page 19
Level3Repair
8-3-5.
Microphone Part
Earphone MIC
Earphone MIC does not work
Yes
Check EAR400(Earjack) status
ex. bent metal, it will be not
(
contact earphone)
OK
C210 and R400
V?
2.2
≒
Not OK
No
Replace EAR400 usingaHeatgun
Caution, Plastic Mold is easy to melt.
(
Replace UCP200 usingaHeatgun
Because of not soldering well
(
)
)
Yes
Check the status of soldering
R400, R401, R402, C406,
C409, L407
ex. Crack)
(
OK
END
Not OK
Resolder R400, R401, R402, C406,
not work if those is not connected.)
(
C409, L407
8-19
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 20
Level3Repair
C400
R401
C424
L408
C126
ZD403
4
0
0
R
A
E
R
C
1
1
1
2
L118
0
7
R
4
C121
0
0
U
R
R
1
4
1
0
0
1
0
8
2
C
4
0
1
R407
R
C
C
1
2
1
0
2
2
9
8
9
C
C
L
2
2
1
0
2
2
0
9
8
0
0
5
T
C
A
T
1
0
5
T
C
A
T
L
1
1
0
2
T
N
2
3
C
3
0
7
U301
C
5
0
7
V501
C304
R313
ZD503
C
3
0
5
C
U300
5
C
0
3
0
4
3
R
R
3
1
5
2
H
E
A
5
0
0
R302
3
3
0
0
0
2
Q
Q
R314
_
W
P
T
n
E
I
A
n
T
_
W
C
5
0
1
S
C
1
0
C
4
2
1
6
TP_ADVn
R524
C
C
C
2
2
2
0
0
3
1
9
8
L201
C
C
2
2
0
3
6
2
C
C
C
C
2
2
2
2
3
3
3
1
5
3
6
7
R208
C409
R207
C406
C205
C230
C402
U
4
0
C210
1
C207
C225
C
R
2
4
3
0
1
6
C200
C221
C415
2
0
F
5
R
0
2
0
1
0
S
C
1
0
C
R
2
5
5
1
0
5
F
5
0
2
F
5
0
1
P
T
0
1
R
R
5
5
0
0
4
3
5
0
3
R306
Q
UME200
M
A
_
R
S
_
C
T
C
2
2
0
C215
0
OSC200
P
2
0
C226C227
C213
C506
BTC500
R
5
0
1
R403
5
0
D
Z
C407
U
4
0
C408
R
5
0
2
C219
P
C
0
C403
C404
C214
]
4
2
[
A
_
P
T
M
O
R
_
h
s
a
l
F
_
S
C
_
P
T
O
W
T
_
D
A
_
P
T
R
2
0
3
C
5
1
3
C208
V500
R518
L202
C224
U
R204
C204
C218
C222
R205 R206
A
L
C122
3
0
C306
0
C414
C405
n
D
R
_
P
T
O
R
E
Z
_
S
D
A
_
P
C
T
1
0
0
C
L
1
1
R
C
2
2
C
C
C
2
5
5
4
1
0
9
9
Q
3
0
1
C
1
1
1
1
1
1
2
3
1
U101
R
3
0
5
C120
7
3
R
1
0
7
R
1
1
2
D
X
T
_
T
R
A
U
_
P
T
TP_UART_RXD
C116
C428
R111
R423
C426
R420
R421
C427
C510
R116R117
2
0
4
L405
D
Z
L406
C429
C
R
C512
5
4
1
0
9
1
R517
8
2
0
1
F
C
C
1
1
1
3
9
0
L120
R307
Q
3
0
4
R
3
R301
0
4
R303
SIM500
O
S
C
2
0
1
C
N
TH200
C202
C223
C203
2
0
0
102G002G
L407
R402
L404
R424
R414
R415
R422
2
0
4
U
V_EARMIC
R400
C401
R401
C400
C402
R402
EAR_MIC_P AUX_MIC_P
C406
AUX_MIC_N
C409
SAMSUNG Proprietary-Contents may change without notice
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R507
8-20
Page 21
Level3Repair
8-3-6.
Speaker Part
(
checking an waveform using
Speaker does not work
Yes
On MP3 playing,
L410, L411
Wiring the SPK_N/P and
oscilloscope)
Check the status of
soldering L410, L411
>2.0V
Yes
ex. Crack)
(
No
NotOK
Replace UCP200 usingaHeatgun
be possible of being UCPabad sample)
(
Resolder L410&L411
be possible because of soldering not well)
(
OK
Is Speaker working?
Listening through the
(
speaker)
Yes
END
No
Change Speaker
be possible of SPK Problems)
(
8-21
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 22
Level3Repair
C410C411
ZD404 ZD405
C43 3 C434
L
4
1
1
L
4
1
0
0
1
0
0
C412C413
O
W
T
_
D
A
_
P
_
W
P
T
n
E
_
W
P
T
I
A
T
C
2
0
1
L201
C
2
3
2
C
2
1
7
C230
n
TP_ADVn
R524
C
C
2
2
3
0
8
9
C
2
0
6
C
C
C
2
2
2
3
3
3
5
3
6
C409
C406
C402
C210
C207
C
R
2
4
3
0
1
6
C415
C225
C200
C221
C213 C215
C
2
2
0
UME200
M
A
_
R
S
_
C
P
T
0
2
0
C226C227
OSC200
C219
P
C
U
K
4
S
P
C
5
0
1
C
2
1
6
S
P
K
4
R208
R207
C205
U
4
0
1
T
n
D
R
_
P
T
O
R
E
Z
_
S
D
A
_
P
C
T
1
R
0
0
2
0
3
C
5
1
3
C208
V500
R518
L202
C224
O
S
C
2
0
1
R204
TH200
C202
C204
C223
C218
C203
C222
R205 R206
SPK_P
SPK_N
C411
C410
C433
C434
C413
C412
4
0
4
D
Z
5
0
4
D
Z
SPK CONTACT
L410
L411
SPK400
1
1
2
2
3
3
SPK401
1
1
2
2
3
3
8-22
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 23
Level3Repair
8-3-7.
Receiver Part
See the sub circuit schematic.
-
Receiver does not work
Yes
On Voice calling,
check the voice signal at
L202(-), L203(+) using
oscilloscope.
OK
Check the status of soldering
L202, L203, R204, R205
ex. Crack)
(
NotOK
NotOK
Replace UCP200 usingaHeatgun
Because of not soldering well
(
Resolder L202, L203, R204, R205
not work if those is not connected.)
(
)
OK
Is Receiver working?
Listening through the
(
speaker)
Yes
END
No
Change Receiver
be possible of RCV Problems)
(
8-23
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Page 24
Level3Repair
0
0
0
2
C
I
M
L201
ZD202
ZD203
C214 C215
U101
C210C211
L200
C216C217
L203
R205
0
0
2
D
L202
Z
R204
1
0
2
D
CON2
Z
RCV_N
RCV_P
R204
R205
L202
RCV
L203
CON201
1
1
2
2
ZD201C215 ZD200C216
8-24
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Page 25
Level3Repair
presetting
（
Rx setting)
(
Active Cell
1.
select GSM or GPRS
:
Connetion Type
2.
select Auto(GSM), BLER(GPRS)
:
BCH Parameter
3.
select measuring band(DCS or EGSM)
:
Cell power
4.
dBm
:-60
8960
8-25
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Page 26
Level3Repair
Tx setting)
(
After setting
（
After setting, prepare the call setup Display
1.
UsinganOriginateCall,makeacall.
2.
Confirm the display"connected"
3.
start the measuring
4.
8960 (
EGSM/DCS
)
8-26
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Page 27
Level3Repair
（
8960 &
spectrum analyzer
down&up at picture)
(
spectrum analyzer:testing method=the way using an Osciliscope
-
- 8960 :
connect using RF Cable between
8960 &
RF Connector in board.
RF Connector
8-27
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Page 28
Level3Repair
8-3-10.
GSM
Cell Power
PAM100
TP:L107 using
(
spectrum analyzer)
PAM100 Pin11
TP:C100 using
(
specturm analyzer)
850
RX ON
-65
-68
Receiver
:-60
Pin
dBm
dBm
Yes
14
Yes
Yes
dBm
No
No
PAM100, L106, L107, C134
Resolder
Check PAM100
pin
1.25V
19
pin
20<1.25V
No
Yes
Check ANT Switch
control circuit
Resolder
PAM100
TCXO CLOCK CHECK?
MHz@OSC201
26
Yes
Resolder or change
UCP20
0
Yes
END
No
Resolder
OSC201
8-28
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Page 29
Level3Repair
8-3-11.
GSM
Cell Power
PAM100
TP:L107 using
(
spectrum analyzer)
PAM100 Pin10
TP:C104 using
(
specturm analyzer)
900
RX ON
-65
-68
Receiver
:-60
Pin
dBm
dBm
Yes
14
Yes
Yes
dBm
No
No
PAM100, L106, L107, C134
Resolder
Check PAM100
pin
19<1.25V
pin
20<1.25V
No
Yes
Check ANT Switch
control circuit
Resolder
PAM100
TCXO CLOCK CHECK?
MHz@OSC201
26
Yes
Resolder or change
UCP200
Yes
END
No
Resolder
OSC201
8-29
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Page 30
Level3Repair
8-3-12.
DCS Receiver
RX ON
Cell Power
PAM100
TP:L107 using
(
spectrum analyzer)
PAM100 Pin13
TP:L108 using
(
specturm analyzer)
-65
-68
:-60
Pin
dBm
dBm
Yes
14
Yes
Yes
dBm
No
No
PAM100, L106, L107, C134
Resolder
Check PAM100
pin
19<1.25V
pin
1.25V
20
No
Yes
Check ANT Switch
control circuit
Resolder
PAM100
TCXO CLOCK CHECK?
MHz@OSC201
26
Yes
Resolder or change
UCP20
0
Yes
END
No
Resolder
OSC201
8-30
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Page 31
Level3Repair
8-3-13.
PCS Receiver
RX ON
Cell Power
PAM100
TP:L107 using
(
spectrum analyzer)
PAM100 Pin12
TP:L112 using
(
specturm analyzer)
-65
-68
:-60
Pin
dBm
dBm
Yes
14
Yes
Yes
dBm
No
No
PAM100, L106, L107, C134
Resolder
Check PAM100
pin
1.25V
5
pin6
1.25V
No
Yes
Check ANT Switch
control circuit
Resolder
PAM100
TCXO CLOCK CHECK?
MHz@OSC201
26
Yes
Resolder or change
UCP20
0
Yes
END
No
Resolder
OSC201
8-31
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Page 32
Level3Repair
ANT100
2
ANT101
RFS100
1
1
2
1
1
2
2
C101
C135
C109
C105
G
C
G
A
3
4
1
2
C134
L121
L106
RF
L107
C107
VBAT
C106
ANTENNA
GSM850RX
GSM900RX
TX(GSM/DCS/PCS)
DCS 1800
PCS 1800
V_BAT
C108
8
4
1
1
T
T
T
N
A
D
D
N
N
G
G
1
2
A
PAM100
D
D
D
D
N
N
N
N
G
G
G
G
8
7
6
4
B
V
D
D
D
N
N
N
G
G
G
9
3
5
6
2
1
1
BS1 LB_TX
BS2
R115
VLOGIC
R114
R113
GSM900_RX
GSM850_RX TX_EN
PCS1900_RX
DCS1800_RX
C111
C112
19
17
10
11
12
13
GPCTRL0
GPCTRL1
GPCTRL2
RX1
RX2
RX3
RX4
20
C132
3
RFIN_LB
C133 L115
5
RFIN_HB
22
VRAMP
21
TX_EN
D
D
N
N
G
G
4
2
F100
GSM850_RX
GSM900_RX
C100
C104
1
IN1
4
IN2
G
3
2
9
BAL
OUT
G
G
G
G
G
7
6
5
0
1
L100
8
L103
L101
L114
R101
L116
L102
L117
C114C113
C115
LB_RX_P
LB_RX_N
R102
R105
HB_TX
RAMP
DCS1800_RX
PCS1900_RX
L108
L112
C143
C144
F101
L109
L110
L113
L111
HB_RX_P
HB_RX_N
1
IN1
4
IN2
G
3
2
9
BAL
8
OUT
G
G
G
G
G
5
7
6
0
1
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Page 33
Level3Repair
8-33
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Page 34
Level3Repair
14.
GSM
GSM900 Transmitter
850/
TX Power is too Low!!
TX ON(5Level)
TCXO CLOCK CHECK?
MHz@OSC201
26
YES
PAM100 pin
dBm
TP:C132 using
(
-4
3
spectrum analyzer)
YES
NO
NO
esolder
R
OSC201
esolder or change
R
UCP200
Check the Voltage
C106
PAM100
TP:L107 using
(
30
<3.3
YES
Pin
dBm
V?
14
spectrum analyzer)
YES
Check the RFS100
connection with PCB?
YES
esolder ANT100, ANT101
R
or
change the antenna
YES
NO
Check the UCP200&VBAT
NO
circuit.
Resolder
PAM100
NO
Resolder RFS100.
END
8-34
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Page 35
Level3Repair
8-3-15.
DCS/PCS Transmitter
TX Power is too Low!!
TX ON(5Level)
TCXO CLOCK CHECK?
26
PAM100 pin
(
spectrum analyzer)
MHz@OSC201
YES
5
dBm
TP:C133 using
YES
NO
esolder
R
OSC201
-4
NO
esolder or change
R
UCP200
Check the Voltage
C106
PAM100
TP:L107 using
(
30
<3.3
YES
Pin
dBm
V?
14
spectrum analyzer)
YES
Check the RFS100
connection with PCB?
YES
esolder ANT100, ANT101
R
or
change the antenna
YES
NO
Check the UCP200&VBAT
NO
circuit.
Resolder
PAM100
NO
Resolder
RFS100.
END
8-35
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Page 36
Level3Repair
ANT100
2
ANT101
RFS100
1
1
2
1
1
2
2
C101
C135
C109
C105
G
C
G
A
3
4
1
2
C134
L121
L106
RF
L107
C107
VBAT
C106
ANTENNA
GSM850RX
GSM900RX
TX(GSM/DCS/PCS)
DCS 1800
PCS 1800
V_BAT
C108
8
4
1
1
T
T
T
N
A
D
D
N
N
G
G
1
2
A
PAM100
D
D
D
D
N
N
N
N
G
G
G
G
8
7
6
4
B
V
D
D
D
N
N
N
G
G
G
9
3
5
6
2
1
1
BS1 LB_TX
BS2
R115
VLOGIC
R114
R113
GSM900_RX
GSM850_RX TX_EN
PCS1900_RX
DCS1800_RX
C111
C112
19
17
10
11
12
13
GPCTRL0
GPCTRL1
GPCTRL2
RX1
RX2
RX3
RX4
20
C132
3
RFIN_LB
C133 L115
5
RFIN_HB
22
VRAMP
21
TX_EN
D
D
N
N
G
G
4
2
F100
GSM850_RX
GSM900_RX
C100
C104
1
IN1
4
IN2
G
3
2
9
BAL
OUT
G
G
G
G
G
7
6
5
0
1
L100
8
L103
L101
L114
R101
L116
L102
L117
C114C113
C115
LB_RX_P
LB_RX_N
R102
R105
HB_TX
RAMP
DCS1800_RX
PCS1900_RX
L108
L112
C143
C144
F101
L109
L110
L113
L111
HB_RX_P
HB_RX_N
1
IN1
4
IN2
G
3
2
9
BAL
8
OUT
G
G
G
G
G
5
7
6
0
1
8-36
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Page 37
Level3Repair
8-37
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Page 38
Level3Repair
FM-Radio
FM-Radio Don`t work
Yes
Display LCD
EarPhone Not
connected
no
Don`t Hear
Ear_Phone
no
Don`t Hear FM-Radio?
Just Noise
no
Resolder or change
UCP20
0
Yes
yes
yes
Resolder
EAR400 and
Resolder U100 C126
Resolder U100 C126
R424
L200C228
L200C228
END
Yes
8-38
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Page 39
LCD
Level3Repair
LCD is not displayed
Yes
Check VBAT is
Check the voltage @U210's
pin(2,3,4,5) > 2V
Is LCD displayed?
END
Yes
OK
Yes
3.4
V~4.1V
No
NotOK
No
check battery
Resolder U210 or Replace U210
Replace LCD Module
8-39
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Page 40
Level3Repair
8-40
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Page 41
Camera
Level3Repair
Camera does not work
Yes
Check
connect(CN100)
Check the CAM PWR_EN
signal @U203&U204's pin 3
Check Camera supply
voltage @C205(2.8V),
@C207(1.5V), C206(1.8V)
Change the Camera module
1.3M
Camera
Yes
OK
Yes
Yes
No
NotOK
No
Connect
Resolder UCP200 or Replace UCP200
Resolder U203&U204 or Replace U203&U204
CAM module with CN100
1.3M
END
8-41
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Page 42
Level3Repair
CAM_O(3)
CAM_O(2)
CAM_O(6)
CAM_RST
CAM_SCL
CAM_O(0)
CAM_PCLK_IN
CAM_HSYNC
VCAM_1.8V
C110
VCAM_1.5V
R101
L100
CN100
11
55
99
13 13
17 17
21 21
3344
77
1111
15151616
1919
NC
22 23
NC
1.3M CAM CON.
2
6
8
10
12
14
18
20
VCAM_1.8V
2
6
8
10
12
14
18
20
VCAM_A_2.8V
R102
CAM_O(4)
CAM_O(5)
CAM_O(7)
CAM_MCLK_OUT
CAM_SDA
CAM_O(1)
CAM_VSYNC
EN_CAM_PWR
CAM LDO
VBAT
C204
U203
1
VOUT1 6
VIN
2
GND
5
VOUT2
3
4
EN2
EN1
GND
7
VCAM_1.8V
U204
1
4
VIN VOUT
32
EN
GND
D
N
G
5
VCAM_1.5V
VCAM_A_2.8V
C207C205
C206
8-42
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Page 43
Service Schematics
8-4.
NC Point(Top View)
-
NC
:
U101
1234567
A
．．． ．．
B
．．． ．
C
． ． ．
D
． ． ．．
E
．．．
Level3Repair
F
．．． ．
G
． ．． ．
H
．．．．．．
UME200
123456789
A
．． ．．．．
B
C
D
E
F
G
H
．．．．． ．．
．．．． ．．．
．．．．．．．．．
．．．．．．．．．
．．．．．．．．
．．．．．．．．
．．．．．．．．
J
K
L
M
．．．．．．．
． ． ．．
．．．．．．．．
8-43
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Page 44
Level3Repair
UCP200
12345678910111213141516
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
．．．．．．．．．．．．．．
．．．．．．．．．．．．．．．．
．．．．．．．．．． ． ．．
．．．． ．．． ．
． ． ．．．．．．． ．
．．．． ．．．．． ．．．．．
．．．．．．．．．．．．．． ．
．．．． ．．．．．．．． ．．
．．．． ．．．．．．．． ．．
．．．．．．．． ．．． ．．
．．．． ．．． ． ．．．．
．．． ．．．．．． ．．
．．．． ． ． ．．
．．．．． ．． ．．．．．．．
．．．．．．．．． ．．．．．．
T
．．．．．．．．．．．．．．
8-44
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