Samsung SGH-B300 User manual

GSM TELEPHONE
SGH-B300
1. Safety Precautions
2. Specification
3. Product Function
4. Array course control
5. Exploded View and Parts list
6. MAIN Electrical Parts List
7. Disassembly and Assembly
Instructions
8. Block Diagrams
9. PCB Diagrams
10. Chart of Troubleshooting
11. Reference data
GSM TELEPHONE CONTENTS

This Service Manual is aproperty of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
Samsung Electronics Co.,Ltd.
2008. 04. Rev.1.0
ⓒ
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 &Africa mea.samsungportal.com
GSPN (Global Service Partner Network)

2. Specification
2-1
2-1. GSM General Specification
EGSM 900
Phase 2
DCS1800
Phase 1
Freq. Band[MHz]
Uplink/Downlink
880~915
925~960
1710~1785
1805~1880
ARFCN range 0~124 & 975~1023 512~885
Tx/Rx spacing 45 MHz 95 MHz
Mod. Bit rate/
Bit Period
270.833 kbps
3.692 us
270.833 kbps
3.692 us
Time Slot Period/Frame
Period
576.9 us
4.615 ms
576.9 us
4.615 ms
Modulation 0.3 GMSK 0.3 GMSK
MS Power 33 dBm~5 dBm 30 dBm~0 dBm
Power Class 5 pcl ~19pcl 0pcl ~15pcl
Sensitivity -102 dBm -100 dBm
TDMA Mux 8 8
Cell Radius 35 Km 2 Km

Speclflcation
2-2
2-2. GSM Tx Power Class
TX Power
control level GSM900
5 33±2 dBm
6 31±2 dBm
7 29±2 dBm
8 27±2 dBm
9 25±2 dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9±3 dBm
18 7±3 dBm
19 5±3 dBm
TX Power
control level DCS1800
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm

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5. Exploded View and Parts List
5-1
This Document can not be used without Samsung's authorization
5-1. Cellular phone Exploded View
QFU01
QFR01
QSH01
QME16
QLC01
QFL01
QCR06
QKP01
QME01
QCR12
QMP01
QMI01
QAN02
QRE01
QCR87
QBA01
QBA00
QMW02
QSP01
QLC02
QMO01
QSC01
QRF03

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Exploded View and Parts List
5-2
This Document can not be used without Samsung's authorization
Design LOC Discription SEC CODE
QAN02 INTENNA-SGHB300 GH42-01534A
QBA00 PMO COVER-BATTERY GH72-46670A
QBA01 INNER BATTERY PACK-750MAH,BLK, GH43-02483A
QCR06 SCREW-MACHINE 6001-001155
QCR12 SCREW-MACHINE 6001-001530
QCR87 SCREW-TAPPING 6002-001412
QFL01 ASSY CASE-LOWER GH98-07688A
QFU01 ASSY CASE-UPPER GH98-07689A
QKP01 ASSY KEYPAD-(XEF/DGA) GH98-07671A
QLC01 LCD-MODULE SGHB110L GH07-01241A
QLC02 ELA UNIT-SGHB300 LCD MODULE SV GH96-03067A
QME01 DOME SHEET-SGHB300 GH59-05506A
QME16 UNIT-SGHB300 CON TO CON GH59-05509A
QMI01 MICROPHONE-ASSY-SGHB300 GH30-00467A
QMO01 MOTOR DC-SGHZ130 GH31-00154C
QMP01 PBA MAIN-SGHB300 GH92-04468A
QMW02 PMO WINDOW-MAIN GH72-46665A
QRE01 ASSY CASE-REAR GH98-07686A
QSC01 TAPE-COVER SCREW LOWER GH74-38101A
QSH01 ASSY BRACKET-SHIELD CAN GH98-07685A
QSP01 SPEAKER 3001-002344
QFR01 ASSY CASE-FRONT GH98-07687A
QRF03 PMO COVER-EAR GH72-46664A
5-2. Cellular phone Parts list

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7. Disassembly and Assembly Instructions
7-1
This Document can not be used without Samsung's authorization
7-1. Disassembly
1
43
2
1) Release SCREW 4POINT at Rear.
※Caution
1) Be careful not to make scratch.
1) Disjoint HOOK from up to down.
※Caution
1) Be careful Hook damage when you Disjoint a
REAR.
1) Seperate the IF COVER front FRONT.
1) Disjoint LCD CONNECTOR.
2) Separate PBA from FRONT.
①
②
③
IF COVER
HOOK 2M 카메라
PBA
HOOK
2POINT
LCD
CONNECT
OR

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Exploded View and Parts List
7-2
This Document can not be used without Samsung's authorization
5
87
6
1) Seperate UPPER from LOWER.
Release aHOOK which locate upside first.
※Caution
1) Be careful Hook damage when you disjoint a UPPER.
1) Sperate MOTOR from the LOWER
2) Sperate SPEAKER from the LOWER
1) Put tweezers to Front hole and Press
down aHinge.
2) Separate FRONTand FOLDER ASS'Y during
doing NO.1.
※Caution
1) Beware that you do not damage LCD F-PCB.
2) Be caredful that you do not make scratch when
you press down a Hinge.
1) Remove SCREW CAP using tweezers.(2POINT)
2) Release SCREW.
※Caution
1) Be careful not to make scratch and molding damage!
SCREW
2POINT
SPEAKER
MOTOR

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Exploded View and Parts List
7-3
This Document can not be used without Samsung's authorization
9
1) Seperate aFolder LOWER and LCD MODULE.
※Caution
1) Beware that you do not damage LCD F-PCB.
2) Beware that you do not damage F-PCB
when you passing F-PCB to hole of LOWER
LCD F-
PCB

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Exploded View and Parts List
7-4
This Document can not be used without Samsung's authorization
7-2. Assembly
1
43
2
1) Twist the MOTOR wire twice, then put
into the LOWER
※Caution
1) Arrange WIRE not to be interfered
with other components.
1) Assemble Folder Lower and Folder Upper
from upside.
※Caution
1) Be careful not to make scratch and molding
damage.
2) Check GAP is exist after finish assembly.
1) Put the SPEAKER on the UPPER
※Caution
1) Arrange WIRE not to be interfered
with other components.
1) Put LCD F-PCB into the hole of LOWER.
2) Put LCD Ass'y in Folder Lower.
※Caution
1) Be careful not to make scratch and molding
damage.
2) Beware that you do not damage F-PCB
when you insert F-PCB to hole of LOWER
Twiste twice

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Exploded View and Parts List
7-5
This Document can not be used without Samsung's authorization
5
87
6
1) Set KEYPAD on the FRONT.
※Caution
1) Check the KEYPAD's guide hole.
1) Set aPBA.
2) Connect RF CONNECTOR.
※Caution
1) Be careful not to make scratch and molding
damage!
1) Screw up two screws at FOLDER LOWER.
2) Put in screw caps.
※Caution
1) Be careful not to make scratch and molding
damage!
1) Insert F-PCB to hole of FRONT.
2) Assemble while pressing the hinge.
※Caution
1) Beware that you do not damage F-PCB
when you insert F-PCB to hole of FRONT
2) Open and close afolder 2~3 times to
Check there is aproblem or not.
SCREW 2point
PBA
HOOK
2POINT
LCD
CONNECT
OR

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Exploded View and Parts List
7-6
This Document can not be used without Samsung's authorization
9
11
10
1) Set the IF COVER on the FRONT.
1) Assemble REAR and FRONT ass'y from upside.
※Caution
1) Be careful not to make scratch and molding
damage!
2) Check GAP is exist after finish assembly.
1)Attach lower screw sheet.
※Caution
1) Be careful not to make scratch and molding
damage!
IF COVER
HOOK 2M 카메라
①
②
③

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10. Flow Chart of Troubleshooting
10-1
This Document can not be used without Samsung's authorization
10-1.Baseband
10-1-1. Power ON
'Power On' does not work
Voltage >=3.3V
Download again
Charge the Battery
Pin#J12 >= 2.8V Check U300 and C313
Pin#A13 and
pin#A14 =2.8V Check U300and C314
Freq =26 MHz
Vpp >=400mV
Vpp≒600mV
Check the clock generation circuit
(related to OSC101)
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
pin#G11 =
1.8V
No
Yes
Check the current consumption
Check the Vbat Voltage
Check the pin of U300
Checktheclocksignalatpin#
21 of U100
Current consumption
>= 100mA
Checktheclocksignalatpin#
5,#6 of U101
Freq =13 MHz
Yes
Check U101
No

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Flow Chart of Troubleshooting
10-2
This Document can not be used without Samsung's authorization
C206
C221
C300
C301
C302
C303
C308
C309
C310
C311
C312
C313
C314
C315
C316
C317
C318
C319
C405
C407
C410
C441
Q300
R211
R402
R404
R411
R412
R418R420
R430
R519
U300
C100
C101
C102
C103
C104
C105
C106
C107
C110
C114
C115
C116
C117
C118
C120
C125
C126
C127
C128
C129
C134
C135
F100
L101
L105
L106
L108
OSC101
R101
R102
R103
R104
U100
C130
C131
C132
C133
C213
C400
C401
C402
C403
CP_WEN
L110
R106
R107
R108 R111
R403
R429
TH200
U101
VR400
VR401
ANT
FM_RADIO
DCS_TX
DCS_RX
GSM_TX
GSM_RX
SPK
POWER_ON
EAR_MIC
EAR_SPK
MAIN_MIC
SIM
CHARGING
LCD
MOT
CLK
013C113C
VCCD_1.8V
TP300
C303
VRTC_3V
C308
VCCD_2.9V
13
2
C316
Q300
C315
VCCB_2.9V
C319
VBAT
VCCD_2.9V
R2
VSS4P6
VXVCM
R13
XOENAQ
D1
INTRQ
VLDO_5 B10
VLDO_6 A14
VLDO_7 C12
VREF A10
VREGN
R14
VREGP
M13
VRTC H11
VSIM K12
VSS1G5
VSS2K4
VSS3
VDD_OCTLC4
VEXT E14
VIB_DRV F15
VL4S_A A12
VL4S_B B11
VL5S_A D10
C9
VL5S_B
VLDO_1 G11
VLDO_2 J12
VLDO_3 A13
VLDO_4 B12
VDD12 J13
VDD2M3
VDD3N6
VDD34 C11
VDD5C10
VDD67B13
VDDBA6
VDDDN11
VDDVL11
VDD_IO1N5
VDD_IO2J4
A2
SIM_CLK K14
SIM_IO J11
SIM_RST K11
TXP
E7
UP_CLK N9
UP_IO P10
UP_RST R10
VACC F14
VBAT E13
VDD1J3
RXTXIN
D6
RXTXIP
D7
RXTXQN
C6
RXTXQP
C7
SCLK_PSC L8
M7
SDI_PSC
SDO_PSC N7
SERCK
C2
C1 SERDA
B1 SERLE1
SERLE2
C14
RAREF1
B6
RAREF2
B5
R3 RESETN_CSP
RESET_O
K9
RING_DRV F13
RSVD
L9
RSVD2
N10
RTC_ALMN H10
RTC_CLK
N4
RWN
L2
NC9 E10
C5 OCTL1
OCTL2
F5
OCTL4
A4
G6 OCTL5
OCTL6
B3
A3 OCTL7
PSW1_BUF
L7
PWR_KEEP
M9
PWR_SW1N
C15
PWR_SW2
MICINN
M14
MICINP
N14
MICOUTN
P15
MICOUTP
N15
E5 NC
NC3 D15
NC4
E6
1
NC5 NC62
NC7
P5
NC8D13
GNDS9H6
GNDVP13
GND_HCURF11
GND_OCTLB4
GND_PSC1B15
GND_PSC2K15
INTRQ
L10
L3 I|O
LED1_DRV G13
LED2_DRV G12
MC
R6
GNDS15J9
GNDS16J10
GNDS17K10
GNDS2F8
GNDS3F9
GNDS4F10
GNDS5G7
GNDS6G8
GNDS7G9
GNDS8G10
DB9
F1
DINTR
P3
GNDBF6
GNDDM10
GNDQE8
GNDS1F7
GNDS10H7
GNDS11H8
H9
GNDS12
GNDS13J7
GNDS14J8
E2
DB13
E3
DB14
D3
DB15
D2
DB2
K3
J5 DB3
DB4
J6
DB5
H5
DB6
G3
DB7
G4
DB8
F4
D14
E9
CREF
K8
CSN_PSC
DAICK
R4
DAIDI
L6
DAIDO
M6
DAIRN
P4
DB0
K1
K2 DB1
DB10
F2
DB11
F3
DB12
AOUTAN
N12
AOUTAP
P11
AOUTBN
P12
AOUTBP
R12
AUXINN
L14
AUXINP
M15
AUXOUTN
L13
AUXOUTP
K13
CH_BDRV E11
CH_ISEN F12
CH_RES
AB0
K6
P1 AB1
AB2
L5
N1 AB3
AB4
N2
M2 AB5
AB6
M1
K7 AB7
AB8
K5
AFC
D9
C300
U300
VCCA_2.9V
DSP_IO
VCCD_2.9V
C317
C312
C302
C314
C318
VCCA_2.9V
C309 C313
VBAT
VRF_2.9V
C301
SIMRST
VIB_DRV
VREF
VSIM
RTCALARM
CLK_32K
RTXIN
RTXIP
RTXQN
RTXQP
UP_SCLK
UP_SDI
UP_SDO
SIM_CLK
SIM_IO
SIM_RST
VAPC
SIMCLK
SIMDATA
UP_CS
DSP_INT
INTRQ
KEY_BL1
CLK13M_MC
MICINN
MICINP
MICOUTN
MICOUTP
PWR_KEEP
PWR_ON
JIG_ON
RST
VIB_EN
BAND_SEL1
BAND_SEL2
FM_EN
AFC
AOUTAN
AOUTAP
AOUTBN
AOUTBP
AUXINN
AUXINP
AUXOUTN
AUXOUTP
TX_EN
VMOD_EN
KEY_COL(2)
KEY_ROW(4)
DSP_AB(0:8)
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_AB(0)
DSP_IO
DSP_RWN
FLASH_RESET
SERLE
SERDAT
SERCLK
DSP_DB(0:15)
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
DSP_DB(1)
DSP_DB(0)
VBAT
C103
C133
C100
C131
VCCD_2.9V
L110
C102
C115
C104
R108
C135
2
43
1
R103
L105
OSC101
VCC
5
_Q
2_RD
1_SD
R109
U101
7
CP
D6
GND
4
NC
9
Q
3
8
VRF_2.9V
R102
R111
VRF_2.9V
R107
24
VCC_BBQ
1
VCC_FE
17
VCC_REF
12
VCC_TXVCO
VDD
13
VLDO1
15
VLDO2
16
VLDO3
9
SCLK
6
5
SDATA
7SEN
TXOP_HI
11
TXOP_LO
10
VAFC18
14
VBAT
4
VCC_BBI
RX1800
2827
RX1800B
RX1900
2625
RX1900B
RX850
32
RX850B
31
RX900
30
RX900B
29
3
NC
8
NC
34
35NC
23
Q
22
QB
20
REFIN
REFINB19
REF_OP21
U100
33
GND
I
2
IB
C117 C114
C101
R106
C132
L101
C118
C130
R110
C107
L106
L108
C116
C134
C106
C110
R101
C105
SERLE
SERDAT
SERCLK
RTXQN
PCS1900_LNA_IN_N
PCS1900_LNA_IN_P
GSM850_LNA_IN_N
GSM850_LNA_IN_P
CLK13M_YMU
CLK13M_MC
CLK13M_TR
26M_OUT
RTXIN
RTXIP
RTXQP
DCS1800_LNA_IN_N
DCS1800_LNA_IN_P
GSM900_LNA_IN_N
GSM900_LNA_IN_P
26M_OUT
DPCS_PAM_IN
GSM_PAM_IN
AFC

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Flow Chart of Troubleshooting
10-3
This Document can not be used without Samsung's authorization
10-1-2. System Initial
Initial Failure
The pin #G11 of U300=
1.8V and
the pin #J12 of U300=
2.8V ?
Check the U300
(if it has some problem, it is to be replaced.)
Yes
No
Is the pin #K9 of U300
"Low →High" ?
Yes
No Check the U300
(if it has some problem, it is to be replaced.)
There is 32.768kHz wave
forms at the C216 and
C217
Yes
No Check the UCP200
The voltage is "High" at
the C313,C314,C310
Check the U300
LCD display is O.K
No
Yes
Yes
Check the LCD part
No
Sound is O.K
Yes
No Check the Audio part
END
Yes

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Flow Chart of Troubleshooting
10-4
This Document can not be used without Samsung's authorization
C203
C204
C205
C206
C207
C208
C209
C210
C211
C212
C216
C217
C221
C300
C301
C302
C303
C308
C309
C310
C311
C312
C313
C314
C315
C316
C317
C318
C319
C405
C407
C410
C417
C440
C441
DSP_IO
INTRQ
OSC200
Q300
R204
R206
R211
R400
R401R402
R404
R411
R412
R413
R418
R419R420
R427
R430
R444 R446
R505
R506
R516
R519
R520
TA501
TH200
TP300
U300
U501
UCP200

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Flow Chart of Troubleshooting
10-5
This Document can not be used without Samsung's authorization
013C113C
VCCD_1.8V
TP300
C303
VRTC_3V
C308
VCCD_2.9V
13
2
C316
Q300
C315
VCCB_2.9V
C319
VBAT
VCCD_2.9V
R2
VSS4P6
VXVCM
R13
XOENAQ
D1
INTRQ
VLDO_5 B10
VLDO_6 A14
VLDO_7 C12
VREF A10
VREGN
R14
VREGP
M13
VRTC H11
VSIM K12
VSS1G5
VSS2K4
VSS3
VDD_OCTLC4
VEXT E14
VIB_DRV F15
VL4S_A A12
VL4S_B B11
VL5S_A D10
C9
VL5S_B
VLDO_1 G11
VLDO_2 J12
VLDO_3 A13
VLDO_4 B12
VDD12 J13
VDD2M3
VDD3N6
VDD34 C11
VDD5C10
VDD67B13
VDDBA6
VDDDN11
VDDVL11
VDD_IO1N5
VDD_IO2J4
A2
SIM_CLK K14
SIM_IO J11
SIM_RST K11
TXP
E7
UP_CLK N9
UP_IO P10
UP_RST R10
VACC F14
VBAT E13
VDD1J3
RXTXIN
D6
RXTXIP
D7
RXTXQN
C6
RXTXQP
C7
SCLK_PSC L8
M7
SDI_PSC
SDO_PSC N7
SERCK
C2
C1 SERDA
B1 SERLE1
SERLE2
C14
RAREF1
B6
RAREF2
B5
R3 RESETN_CSP
RESET_O
K9
RING_DRV F13
RSVD
L9
RSVD2
N10
RTC_ALMN H10
RTC_CLK
N4
RWN
L2
NC9 E10
C5 OCTL1
OCTL2
F5
OCTL4
A4
G6 OCTL5
OCTL6
B3
A3 OCTL7
PSW1_BUF
L7
PWR_KEEP
M9
PWR_SW1N
C15
PWR_SW2
MICINN
M14
MICINP
N14
MICOUTN
P15
MICOUTP
N15
E5 NC
NC3 D15
NC4
E6
1
NC5
NC62
NC7
P5
NC8D13
GNDS9H6
GNDVP13
GND_HCURF11
GND_OCTLB4
GND_PSC1B15
GND_PSC2K15
INTRQ
L10
L3 I|O
LED1_DRV G13
LED2_DRV G12
MC
R6
GNDS15J9
GNDS16J10
GNDS17K10
GNDS2F8
GNDS3F9
GNDS4F10
GNDS5G7
GNDS6G8
GNDS7G9
GNDS8G10
DB9
F1
DINTR
P3
GNDBF6
GNDDM10
GNDQE8
GNDS1F7
GNDS10H7
GNDS11H8
H9
GNDS12
GNDS13J7
GNDS14J8
E2
DB13
E3
DB14
D3
DB15
D2
DB2
K3
J5 DB3
DB4
J6
DB5
H5
DB6
G3
DB7
G4
DB8
F4
D14
E9
CREF
K8
CSN_PSC
DAICK
R4
DAIDI
L6
DAIDO
M6
DAIRN
P4
DB0
K1
K2 DB1
DB10
F2
DB11
F3
DB12
AOUTAN
N12
AOUTAP
P11
AOUTBN
P12
AOUTBP
R12
AUXINN
L14
AUXINP
M15
AUXOUTN
L13
AUXOUTP
K13
CH_BDRV E11
CH_ISEN F12
CH_RES
AB0
K6
P1 AB1
AB2
L5
N1 AB3
AB4
N2
M2 AB5
AB6
M1
K7 AB7
AB8
K5
AFC
D9
C300
U300
VCCA_2.9V
DSP_IO
VCCD_2.9V
C317
C312
C302
C314
C318
VCCA_2.9V
C309 C313
VBAT
VRF_2.9V
C301
SIMRST
VIB_DRV
VREF
VSIM
RTCALARM
CLK_32K
RTXIN
RTXIP
RTXQN
RTXQP
UP_SCLK
UP_SDI
UP_SDO
SIM_CLK
SIM_IO
SIM_RST
VAPC
SIMCLK
SIMDATA
UP_CS
DSP_INT
INTRQ
KEY_BL1
CLK13M_MC
MICINN
MICINP
MICOUTN
MICOUTP
PWR_KEEP
PWR_ON
JIG_ON
RST
VIB_EN
BAND_SEL1
BAND_SEL2
FM_EN
AFC
AOUTAN
AOUTAP
AOUTBN
AOUTBP
AUXINN
AUXINP
AUXOUTN
AUXOUTP
TX_EN
VMOD_EN
KEY_COL(2)
KEY_ROW(4)
DSP_AB(0:8)
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_AB(0)
DSP_IO
DSP_RWN
FLASH_RESET
SERLE
SERDAT
SERCLK
DSP_DB(0:15)
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
DSP_DB(1)
DSP_DB(0)
C204
C217
R204 R205
TH200
C216
R201
C208
VCCB_2.9V
C211
R207
C214
VCCD_1.8V
R214 H
VCCD_2.9V
C206
R203
R208
VCCD_1.8V
R202
VCCD_2.9V
C210
C215
OSC200
3
21
C203
C209
XSM0_DATA
XTIC_MODE D12
F10
XVREF
P15
T15 XPA6/BE1 N
XPA7/IRQ1
M9
T5 XPA8/IRQ2
XPA9/IRQ3
P2
XPWM1
R5
XRTCALARM_ N E8
XSM0_CLK
N10
U12
XPA31_IM1
E1
H14
XPA32_CS0N
N17XPA33_T_REQA
XPA34_T_REQB
M17
XPA35_A22L13
N15
XPA36_A23_CS5N
XPA3/CS4N
N14
XPA4/OEN
P16
XPA5/WAITN
XPA24/
PWM3
XPA25_OM0
M3
XPA26_OM1
G2
G4XPA27_SM1_CLK
XPA28_IOM0
G5
XPA29_IOM1
F1
M11 XPA2/CS3N
F3XPA30_IM0
XPA17_DRQ0
E4
P13XPA18_T_ACK
XPA19/
CP_MOSI
L2
M14 XPA1/CS2N
L1XPA20/
CP_MISO
K4XPA21/
CP_SCK
XPA22/
SSN
J6
H6XPA23/
PWM2
H5
M15
N2 XPA10/IRQ4
XPA11/
IRDARX
K5
N1XPA12/
IRDATX
XPA13_TX1
G6
G3XPA14_RX1
XPA15/
TX0
H4
L3XPA16/
RX0
XCP_KB9/
SOUT4
D7XCP_TCK
XCP_TDO
D13
XCP_TMS
G8
F9XCP_TRSTN
C13 XCP_WEN
F4XFRSTB
C6
XOSC32OUT
XPA0/CS1N
XCP_KB1/
SIN1
XCP_KB2/
SIN2
M4
T1XCP_KB3/
SIN3
R2XCP_KB4/
SIN4
XCP_KB5/
SOUT0
T3
U3XCP_KB6/
SOUT1
XCP_KB7/
SOUT2
P3
XCP_KB8/
SOUT3
T4
N3
C5 XCP_D4
XCP_D5
D6
XCP_D6
E7
D5 XCP_D7
C4 XCP_D8
XCP_D9
B4
C7XCP_TDI
XCP_KB0/
SIN0
L4
L5
B3
C1 XCP_D11
XCP_D12
C2
D2 XCP_D13
D3 XCP_D14
XCP_D15
E3
F8 XCP_D2
XCP_D3
F7
A16 XCP_A6
XCP_A7
A15
XCP_A8
B17
C17 XCP_A9
A13 XCP_CSRAME N
XCP_CSROME N
A12
XCP_D0
A6
B5 XCP_D1
XCP_D10
K14 XCP_A18
XCP_A19
L14
XCP_A2
E14
XCP_A20
L15
L16 XCP_A21
D15 XCP_A3
B15 XCP_A4
XCP_A5
C14
D16 XCP_A10
XCP_A11
F14
XCP_A12
G14
G13 XCP_A13
XCP_A14
G17
J12 XCP_A15
K12 XCP_A16
XCP_A17
K13
B11
XAG0
XAG1 A11
XAG2 E11
D11
XAG3
XBSWN B7
XCPTSTSTOP_CK O M12
B13 XCP_A0_BEO N
F11 XCP_A1
H7
VSSH11
J7
VSS
K6
VSS
E10
VSSA
E15
VSS_DPLL
X1RTC A7
D10
X2RTC
M7
L8
VSS
J11
VSS
VSSL9
A3
VSS
F6
VSS
VSSG9
G10
VSS
VSS
E16
E17
VDDE
VDD_DPLLG16
VRTCD8
VSSA2
VSSK7
VSSL6
L10
VSS
VSS
B1
VDDE
VDDEB14
VDDEM1
U2
VDDE
VDDEP8
U15
VDDE
VDDEU16
N16
VDDE
VDDE
R1
R4
VDD
VDDT13
R16
VDD
VDDR17
A5
VDD
VDDC16
VDDAC11
TCK H13
TDI H12
F12
TDO
G12
TMS
TRST F15
VDDE2
L17
VDD
G1
VDD
VDD
N4
INT#0 R12
IO7
IOBIT#1 K1 1
IOBIT#2 L12
NC1
2
NC
RSTBC12
RWN U5
R6
DB#2
DB#3 P6
U7
DB#4
T7
DB#5
DB#6 R7
M6
DB#7
P7
DB#8
DB#9 N7
P5
U6
DB#1
DB#10 N8
M8
DB#11
DB#12 U11
T11
DB#13
R11
DB#14
DB#15 P10
N11
AB#3
AB#4 P11
P12
AB#5
AB#6 R14
AB#7 T14
T17
AB#8
F17
CKI
G15
CKO
DB#0
UCP200
U13
AB#0
AB#1 M10
R13
AB#2
VCCD_2.9V
R200
VCCD_1.8V
C205
C212
VRTC_3V
C207
VBAT
VCCD_1.8V
C213
R206
DEBUG_DSR
A(22)
A(23)
RTCALARM
SIMCLK
SIMDATA
VREF
JACK_IN
AS1
UP_SDI
UP_SDO
UP_SCLK
UP_CS
CHG_OFF
LED_EN
LCD_DET
SIMRST
PWR_KEEP
DEBUG_CTS
CHG_DET
DEBUG_DTR
DEBUG_RTS
BP_VF
EAR_SWITCH
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
CP_TCK
CP_TDO
CP_TMS
TR_RST
FLASH_RESET
CLK_32K
I2C_SCL
I2C_SDA
SDS_TXD
SDS_RXD
DEBUG_TXD
DEBUG_RXD
DSP_IO
AS2
TR_RST
DSP_RWN
TR_RST
ICHRG
TR_RST
CP_TDI
KEY_COL(0)
KEY_COL(1)
DSP_DB(1)
DSP_DB(10)
DSP_DB(11)
DSP_DB(12)
DSP_DB(13)
DSP_DB(14)
DSP_DB(15)
DSP_DB(2)
DSP_DB(3)
DSP_DB(4)
DSP_DB(5)
DSP_DB(6)
DSP_DB(7)
DSP_DB(8)
DSP_DB(9)
DSP_INT
DSP_AB(0)
DSP_AB(1)
DSP_AB(2)
DSP_AB(3)
DSP_AB(4)
DSP_AB(5)
DSP_AB(6)
DSP_AB(7)
DSP_AB(8)
CLK13M_TR
DSP_DB(0)
HALL_SW
INTRQ
YMU_IRQ
FM_INT
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(20)
A(21)
CP_CSROMEN
CP_CSRAMEN
AMP_EN
LCD_CS
EAR_CHECK
YMU_EN
MLCD_RST
UPPER_BYTE
CP_OEN
CP_WEN
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)
A(0)
A(1)
A(2)
A(3)
DSP_DB(15:0)
D(0:15)
A(0:20)
KEY_ROW(0:4)
KEY_COL(0:4)
DSP_AB(8:0)
ANT
FM_RADIO
DCS_TX
DCS_RX
GSM_TX
GSM_RX
SPK
POWER_ON
EAR_MIC
EAR_SPK
MAIN_MIC
SIM
CHARGING
LCD
MOT
CLK

SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-6
This Document can not be used without Samsung's authorization
10-1-3. Sim Part
Check the voltage at
pin#1 of SIM600 >=
2.8V ?
"Insert SIM is displayed on the LCD
Check the SIM
connector's (SIM600)
connection to SIM card
Check the U300
Resolder or change SIM600
END
No
Yes
Yes
Yes
Yes
No
No
Is there any signals
pin#2,#3,#6 of SIM600 ?Check the U300
Check the SIM Card

SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-7
This Document can not be used without Samsung's authorization
A[2]
C130
C131
C132
C133
C203
C204
C205
C206
C207
C208
C209
C210
C211
C212
C213
C214
C216
C217
C220
C221
C300
C301
C302
C303
C308
C309
C310
C311
C312
C313
C314
C315
C316
C317
C318
C319
C400
C401
C402
C403
C405
C407
C410
C417
C423
C433 C434
C440
C441
C616
C617
C618
C619
C620
CP_CSRAMEN
CP_CSROMEN
CP_OEN
CP_WEN D[1]
DSP_IO
INTRQ
JTAG201
L110
OSC200
Q300
R106
R107
R108
R109 R110
R111
R200
R201
R202
R203
R204
R205
R206
R207
R208
R210
R211
R212
R213
R400
R401R402
R403
R404
R411
R412
R413
R418
R41R420
R427
R429
R430
R444 R446
R505
R506
R516
R519
R520
R610
SIM600
TA501
TA502
TH200
TP300
U101
U300
U501
U503
UCP200
UME200
VR400
VR401

SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-8
This Document can not be used without Samsung's authorization
C311 C310
VCCD_1.8V
TP300
C303
VRTC_3V
C308
VCCD_2.9V
13
2
C316
10V
100NF
Q300
C315
VCCB_2.9V
C319
VBAT
VCCD_2.9V
R2
VSS4P6
VXVCM
R13
XOENAQ
D1
INTRQ
VLDO_5 B10
VLDO_6 A14
VLDO_7 C12
VREF A10
VREGN
R14
VREGP
M13
VRTC H11
VSIM K12
VSS1G5
VSS2K4
VSS3
VDD_OCTLC4
VEXT E14
VIB_DRV F15
VL4S_A A12
VL4S_B B11
VL5S_A D10
C9
VL5S_B
VLDO_1 G11
VLDO_2 J12
VLDO_3 A13
VLDO_4 B12
VDD12 J13
VDD2M3
VDD3N6
VDD34 C11
VDD5C10
VDD67B13
VDDBA6
VDDDN11
VDDVL11
VDD_IO1N5
VDD_IO2J4
A2
SIM_CLK K14
SIM_IO J11
SIM_RST K11
TXP
E7
UP_CLK N9
UP_IO P10
UP_RST R10
VACC F14
VBAT E13
VDD1J3
RXTXIN
D6
RXTXIP
D7
RXTXQN
C6
RXTXQP
C7
SCLK_PSC L8
M7
SDI_PSC
SDO_PSC N7
SERCK
C2
C1 SERDA
B1 SERLE1
SERLE2
C14
RAREF1
B6
RAREF2
B5
R3 RESETN_CSP
RESET_O
K9
RING_DRV F13
RSVD
L9
RSVD2
N10
RTC_ALMN H10
RTC_CLK
N4
RWN
L2
NC9 E10
C5 OCTL1
OCTL2
F5
OCTL4
A4
G6 OCTL5
OCTL6
B3
A3 OCTL7
PSW1_BUF
L7
PWR_KEEP
M9
PWR_SW1N
C15
PWR_SW2
MICINN
M14
MICINP
N14
MICOUTN
P15
MICOUTP
N15
E5 NC
NC3 D15
NC4
E6
1
NC5
NC62
NC7
P5
NC8D13
GNDS9H6
GNDVP13
GND_HCURF11
GND_OCTLB4
GND_PSC1B15
GND_PSC2K15
INTRQ
L10
L3 I|O
LED1_DRV G13
LED2_DRV G12
MC
R6
GNDS15J9
GNDS16J10
GNDS17K10
GNDS2F8
GNDS3F9
GNDS4F10
GNDS5G7
GNDS6G8
GNDS7G9
GNDS8G10
DB9
F1
DINTR
P3
GNDBF6
GNDDM10
GNDQE8
GNDS1F7
GNDS10H7
GNDS11H8
H9
GNDS12
GNDS13J7
GNDS14J8
E2
DB13
E3
DB14
D3
DB15
D2
DB2
K3
J5 DB3
DB4
J6
DB5
H5
DB6
G3
DB7
G4
DB8
F4
D14
E9
CREF
K8
CSN_PSC
DAICK
R4
DAIDI
L6
DAIDO
M6
DAIRN
P4
DB0
K1
K2 DB1
DB10
F2
DB11
F3
DB12
AOUTAN
N12
AOUTAP
P11
AOUTBN
P12
AOUTBP
R12
AUXINN
L14
AUXINP
M15
AUXOUTN
L13
AUXOUTP
K13
CH_BDRV E11
CH_ISEN F12
CH_RES
AB0
K6
P1 AB1
AB2
L5
N1 AB3
AB4
N2
M2 AB5
AB6
M1
K7 AB7
AB8
K5
AFC
D9
C300
U300
VCCA_2.9V
DSP_IO
VCCD_2.9V
C317
C312
C302
C314
C318
VCCA_2.9V
C309 C313
VBAT
VRF_2.9V
C301
SIMRST
VIB_DRV
VREF
VSIM
RTCALARM
CLK_32K
RTXIN
RTXIP
RTXQN
RTXQP
UP_SCLK
UP_SDI
UP_SDO
SIM_CLK
SIM_IO
SIM_RST
VAPC
SIMCLK
SIMDATA
UP_CS
DSP_INT
INTRQ
KEY_BL1
CLK13M_MC
MICINN
MICINP
MICOUTN
MICOUTP
PWR_KEEP
PWR_ON
JIG_ON
RST
VIB_EN
BAND_SEL1
BAND_SEL2
FM_EN
AFC
AOUTAN
AOUTAP
AOUTBN
AOUTBP
AUXINN
AUXINP
AUXOUTN
AUXOUTP
TX_EN
VMOD_EN
KEY_COL(2)
KEY_ROW(4)
DSP_AB(0:8)
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_AB(0)
DSP_IO
DSP_RWN
FLASH_RESET
SERLE
SERDAT
SERCLK
DSP_DB(0:15)
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
DSP_DB(1)
DSP_DB(0)
ANT
FM_RADIO
DCS_TX
DCS_RX
GSM_TX
GSM_RX
SPK
POWER_ON
EAR_MIC
EAR_SPK
MAIN_MIC
SIM
CHARGING
LCD
MOT
CLK
C617 C618C616 C620C619
R610
8NC
9NC
NC
10
VCC
1
2VCC
5VPP
SIM600
CLK
3
GND
4
I/O
6
NC
7
SIM_RST
VSIM
SIM_CLK
SIM_IO