Samsung S3550L Service Manual
GSM TELEPHONE
GT-S3550L
efrcom
GSM TELEPHONE
CONTENTS
Safety Precautions
1.
Specification
2.
Product Function
3.
Array course control
4.
Exploded View and Parts List
5.
Main Electrical Parts List
6.
Block Diagrams
7.
PCB Diagrams
8.
Flow Chart of Troubleshooting
9.
Reference data
10.
Disassembly and Assembly
11.
instructions
GSPN(Global Service Partner Network)
Country Web Site
North America service.samsungportal.com
Latin America latin.samsungportal.com
CIS cis.samsungportal.com
Europe europe.samsungportal.com
China china.samsungportal.com
Asia asia.samsungportal.com
Mideast
This Service Manual isaproperty of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
Africa mea.samsungportal.com
&
ⓒ
Samsung Electronics Co.,Ltd.
2010. 03.
Rev.1.0
MAIN Electrical Parts List
6.
Design LOC SECCode
ZD502
ZD501
ZD503
ZD500
ZD400
U400
Q303
Q302
Q301
Q307,Q308
Q304
LED500,LED501,LED502
LED503
U401
U500
UME200
U100
PAM101
U302
U301
U101
UCP200
TH200
R521,R522,R523,R524
R529
R305,R509
R273,R315,R317,R510
R201,R202,R263,R319
R512,R514,R515
R502
R213,R265,R266,R280
R517
R309
R306
R303
R109,R400
R118
R505,R506,R507,R508
R112
R304
R301
R255
0403-001688
0406-001194
0406-001231
0406-001241
0406-001329
0406-001369
0501-002571
0501-002649
0501-002650
0504-001140
0505-001165
0601-002347
0601-002347
1001-001598
1009-001035
1108-000309
1201-002944
1201-003025
1203-005727
1203-005851
1205-003517
1205-003899
1404-001224
2007-000138
2007-000138
2007-000140
2007-000143
2007-000148
2007-000148
2007-000157
2007-000162
2007-000168
2007-000242
2007-000831
2007-000932
2007-001119
2007-001307
2007-003010
2007-003015
2007-007001
2007-007015
2007-007142
scription
De
DIODE-ZENER
DIODE-TVS
DIODE-TVS
DIODE-TVS
DIODE-TVS
DIODE-TVS
TR-SMALL SIGNAL
TR-SMALL SIGNAL
TR-SMALL SIGNAL
TR-DIGITAL
FET-SILICON
LED
LED
USB IC
HALL IC
IC-MCP
IC-RF AMP(TRANCEIVER)
IC-POWER AMP
IC-MULTI REG.
IC-MULTI REG.
IC-BLUETOOTH
IC-MODEM
THERMISTOR-NTC
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
6-1
SAMSUNG Proprietary-Contents may change without notice
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Main Electrical Parts List
Design LOC SECCode
R102,R103,R105,R106
R410,R532,R533,R534
R535,R536
R117,R530,R531
R104,R262,R316
R412,R413
R401
R314
R408,R409
R414,R415
R310
R403,R405
C118,C132
C105
C120
C228,C230
C125,C211,C214,C407
C408
C209
C405,C406,C409
C502,C509
C102
C244
C225,C238
C245
C119,C243
C100
C113
C131
C109,C124
C134
C229
C207,C224
C402,C403
C115,C507,C508
C413
C422,C423
C522
C520,C521
C103,C200,C203,C213
C215,C219,C226,C231
C240,C404,C421,C501
2007-008045
2007-008045
2007-008045
2007-008052
2007-008419
2007-008420
2007-008478
2007-008483
2007-008516
2007-008531
2007-008780
2007-009315
2203-000254
2203-000278
2203-000386
2203-000425
2203-000438
2203-000438
2203-000585
2203-000812
2203-000995
2203-001385
2203-002443
2203-002487
2203-002668
2203-002709
2203-005057
2203-005234
2203-005281
2203-005288
2203-005450
2203-005480
2203-005481
2203-005483
2203-005682
2203-005717
2203-005729
2203-005731
2203-005806
2203-006048
2203-006048
2203-006048
scription
De
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
R-CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
6-2
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Main Electrical Parts List
Design LOC SECCode
C510
C204
C212,C220
C218,C237,C239
C222,C223
C216,C227,C232,C241
C302,C310,C410,C503
C504
C412
C221,C301,C505,C513
C518
C122,C417
C129,C130
C121,C123,C305
C419
C210
C236
C303,C411
C104,C306,C420,C515
C135,C304,C511,C512
C514
C506
BAT200
L114
L104
L125
L110,L111
L101,L103
L100,L116
L107
L118,L119,L121,L122
L106,L108
L112,L120
L200
L404
OSC200
OSC201
F500,F501,F502
F101
F100
MIC400
L500
2203-006048
2203-006190
2203-006257
2203-006260
2203-006324
2203-006399
2203-006399
2203-006399
2203-006423
2203-006562
2203-006562
2203-006642
2203-006647
2203-006872
2203-006890
2203-007133
2203-007269
2203-007271
2203-007279
2203-007369
2203-007369
2203-007391
2409-001166
2703-000213
2703-001726
2703-001749
2703-001750
2703-002198
2703-002204
2703-002309
2703-002365
2703-002367
2703-002369
2703-003698
2703-003781
2801-004339
2801-004896
2901-001435
2904-001923
2904-001924
3003-001136
3301-001342
scription
De
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-CER,CHIP
C-EDL
INDUCTOR-SMD
INDUCTOR-SMD
INDUCTOR-SMD
INDUCTOR-SMD
INDUCTOR-SMD
INDUCTOR-SMD
INDUCTOR-SMD
INDUCTOR-SMD
INDUCTOR-SMD
INDUCTOR-SMD
INDUCTOR-SMD
INDUCTOR-SMD
CRYSTAL-SMD
CRYSTAL-SMD
FILTER-EMI/ESD
FILTER-SAW
FILTER-SAW
MIC MEMS
BEAD-SMD
6-3
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Main Electrical Parts List
Design LOC SECCode
L400
L405,L406
L402,L403
L201
TAC501
RFS100
HDC400
SIM500
CD500
HDC501
HDC502
BTC500
IFC400
F102
ANT100
R111
3301-001729
3301-001787
3301-001812
3301-002000
3404-001152
3705-001503
3708-002015
3709-001447
3709-001591
3711-005962
3711-006865
3711-007393
3722-002840
4709-001615
GH71-08426A NPR CONTACT-ANTENNA
GH80-03321A SOLDER BRIDGE
CONNECTOR-COAXIAL
CONNECTOR-FPC/FFC/PIC
CONNECTOR-CARD EDGE
CONNECTOR-CARD EDGE
HEADER-BOARD TO BOARD
HEADER-BOARD TO BOARD
scription
De
BEAD-SMD
BEAD-SMD
BEAD-SMD
BEAD-SMD
SWITCH-TACT
HEADER-BATTERY
JACK-MINI USB
BALUN_BT FILTER
Please consult the GSPN website(Samsung Portal) for the most recent version of the product's part list.
6-4
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Flow Chart of Troubleshooting
9.
Power On
9-1.
Power On" does not work
"
Battery Voltage
YES
≥
3.3V?
NO
Change the Battery
Current consumption
100mA?
YES
Check PMIC output voltage
Is OK?
YES
Check the oscillator clock
OSC200(C230)
OSC201(pin3)
=26
END
kHz
=32
MHz,OK?
YES
≥
NO
Download again and check main key con.
NO
NO
,
Check the UCP200
check the OSC200, OSC201
9-1
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Charging Part
9-2.
Charging does not work
Check the Battery&TA
YES
Flow Chart of Troubleshooting
NO
?
Reinsert the Battery&TA
Is the voltage of C418
YES
Is the voltage of R300
YES
Is charging working?
YES
END
5.0V?
5.0V?
NO
NO
NO
Check the IFC400
Check the U401
Check the Chaging circuit
9-2
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Flow Chart of Troubleshooting
Q301
6
CS
VBAT
1
5
2
34
N
_
E
S
N
E
S
VSHNTCSB
VDDCHG
P
_
E
S
N
E
S
R310
Q303
CHARGING CIRCUIT
9
VBUS_5V_OUT
R304
R303
0
5
R
9
3
2
C
R300
R
3
3
1
7
0
2
R
3
Q
3
0
0
R
3
3
6
0
3
R
3
0
4
R
1
0
3
R309
Q
R306
1
3
2
R300
R309
VCHG
L109
8
0
B
A
T
2
0
0
1
L
L107
EAR_INT
USB_I2C_SDA
USB_I2C_SCL
USB_DM
USB_DP
USB_ID
EAR_SPK_R
EAR_SPK_L
EAR_MIC_P
JIG_TXD
JIG_RXD
JIG_ID
USB_DM
USB_DP
USB_ID
FM_ANT
VBUS_5V_IN
R413
R412
VDD_IO1_1.8V
R408
TP_EAR_INT
VBUS_5V_OUT
VBUS_5V_J
6
1
T
E
S
I
|
17
T
VBUS_IN
E
D
_
18
G
DM_CON
H
C
19
DP_CON
20
ID_CON
21
GND
22
NC
R
23
_
NC
O
I
D
U
A
L403
L402
1
C422
USB SWITCHING IC
C417
0
C413
L404
0
4
D
Z
VDD_IO1_1.8VVBAT_IF
R410
R409
R
R
4
4
0
0
8
U401
3
2
4
C
2
4
0
3
L
2
4
C
9
4
L
0
2
C411
C412
1
2
5
3
4
1
1
1
1
1
L
T
A
T
B
C
T
U
A
D
S
N
B
S
O
I
_
_
_
V
C
S
2
U
I
B
V
U401
L
_
O
I
D
C
I
U
M
A
3
2
C423
10
C
JIG
2
I
9
VDDIO
8
BOOT
TP_TXD
7
TXD
T
T
S
S
O
O
H
H
_
D
_
X
P
M
R
D
D
6
5
4
TP_RXD
VBUS_5V_IN
VBAT_IF
JIG_ON
JIG_ON_J
UART1_TXD
TXD1_J
RXD1_J
UART1_RXD
USB_DM_BB
USB_DP_BB
7
3
1
1
4
4
C
C
L
4
0
4
9
2
1
C
0
3
1
C
R
4
1
C411
0
TP_EAR_INT
2
1
4
C
3
2
1
1
4
4
R
R
IFC400
1
R414
R415
U400
1
6
DM
VBUS
2
5
DP
NC
4
3
NC
USB_ID
D
N
G
7
C420
C418
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
C420
1
C
4
8
U400
I
F
C
4
0
0
R
R
4
4
1
1
4
5
Z
D
4
0
0
microUSB CON
4
4
0
L
3
7
1
1
4
4
C
C
R
R
4
4
0
0
8
9
U401
9-3
SAMSUNG Proprietary-Contents may change without notice
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R
4
1
C411
0
TP_EAR_INT
2
1
4
C
9-3.
Sim Part
No SIM mode" is displayed on the LCD
"
Flow Chart of Troubleshooting
Check the pad condition of SIM Card
Check the SIM
connector's(SIM500)
connection to SIM card
YES
Check the voltage
C506
=2.85V,
Is there any signals
pin#2,#3,#4 of SIM5
OK?
YES
00?
YES
END
NO
NO
Resolder or Replace SIM500
Check the UCP200
NO
Check the UCP200
9-4
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Flow Chart of Troubleshooting
SIM_RST
SIM_CLK SIM_IO
R509
VSIM_2.85V
C506
C507 C508
11
22
33
7
7
88
99
SIM500
GG
16
6
5
4
12 12
10 10
13GG1415
6
R510
5
4
1111
C509
R
C
C
C
5
5
5
5
4
1
0
0
0
6
1
7
8
8
5
C
SIM500
C
5
0
9
R
5
1
0
9
0
5
R
9
3
2
C
9-5
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Audio Part-Main MIC
9-4.
Flow Chart of Troubleshooting
Phone MIC does not work
Check the connection of
MIC
400
YES
Check the voltage
C410(V_MIC)=
Check the components which
are connected to V_MIC
L400)
(
Check the circuit
of MIC PATH
C402, C403, C409)
(
2.2V,
YES
YES
OK?
NO
NO
NO
NO
Resolder or Replace MIC
Check the UCP200
Resolder L400
Resolder C402, C403, C409
400
YES
END
9-6
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Flow Chart of Troubleshooting
MIC_N
MIC_P
PARALLEL
C402
C403
V_MIC
0
0
4
L
MIC400
1
POWER
POWER
GND12GND
3
GNDGND2
4
OUT
OUT
C515
8
0
C409
C410
MAIN MIC
1
5
C
1
5
C
C409
2
C
L
4
4
0
0
0
3
0
4
C
0
1
4
C
MIC400
9-7
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