Samsung SGH-F400 User manual

UMTS TELEPHONE
SGH-F400
UMTS TELEPHONE CONTENTS
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

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Europe europe.samsungportal.com
China china.samsungportal.com
Asia asia.samsungportal.com
Mideast &Africa mea.samsungportal.com
GSPN (Global Service Partner Network)
Samsung Electronics Co.,Ltd.
2008. 05 Rev.1.0
ⓒ
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 Proprietary-Contents may change without notice
2. Specification
2-1
This Document can not be used without Samsung's authorization
EGSM 900
Phase 2
DCS1800
Phase 1
PCS 1900 WCDMA
Freq. Band(MHZ)
Uplink/Downlink
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
1920~1980
2110~2170
ARFCN range 1~124 &
975~1023 512~885 512~810 10562~10838
Tx/Rx spacing 45MHz 95 MHz 80 MHz 190MHz
Mod. Bit rate/
Bit Period
270.833 kbps
3.692 us
270.833 kbps
3.692 us
270.833 kbps
3.692 us 3.84 Mcps/s
Time slot
Period/Frame
Period
576.9 us
4.615 ms
576.9 us
4.615 ms
576.9 us
4.15 ms 10 ms
Modulation 0.3 GMSK 0.3 GMSK 0.3 GMSK UL :2
BPSK
DL :QPSK
MS Power 33 dBm ~5 dBm 30dBm~0dBm 30dBm~0dBm MAX:24(+1,-3)dBm
MIN :<-50dBm
Power Class 5pcl ~19pcl 0pcl ~15 pcl 0pcl ~15 pcl CLASS3
Sensitivity -103 dBm -100dBm -100dBm -106.7 dBm
TDMA Mux 888 -
Cell Radius 35 Km 2Km --
2-1. GSM/DCS1800/PCS1900/WCDMA2100 General Specification

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Specification
2-2
This Document can not be used without Samsung's authorization
TX POWER
LEVEL CONTOL EGSM 900 TX POWER LEVEL CONTOL DCS 1800 TX POWER LEVEL CONTOL PCS 1900
533±2
dBm 030±3 dBm 030±3 dBm
631±2
dBm 128±3 dBm 128±3 dBm
729±2
dBm 226±3 dBm 226±3 dBm
827±2
dBm 324±3 dBm 324±3 dBm
925±2
dBm 422±3 dBm 422±3 dBm
10 23±2 dBm 520±3
dBm 520±3 dBm
11 21±2 dBm 618±3
dBm 618±3 dBm
12 19±2 dBm 716±3
dBm 716±3 dBm
13 17±2 dBm 814±3
dBm 814±3 dBm
14 15±2 dBm 912±3
dBm 912±3 dBm
15 13±2 dBm 10 10±4 dBm 10 10±4 dBm
16 11±3 dBm 11 8±4 dBm 11 8±4 dBm
17 9±3 dBm 12 6±4 dBm 12 6±4 dBm
18 7±3 dBm 13 4±4 dBm 13 4±4 dBm
19 5±3 dBm 14 2±5 dBm 14 2±5 dBm
15 0±5 dBm 15 0±5 dBm
2-2. GSM TX power class

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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
QVO01
QCR57
QCR05
QMP01
QCA01
QSP01
QPC01
QLC01
QMO01
QAR01
QCA02
QFL01
QCR05
QFR01
QCK01
QKP01
QCR47
QME01
QAN06
QSH01
QMI03
QAN02
QRF01
QRE01
QCR06
QBA01
QBA00
QKP02
QME02
QHI01
QIF01
QFR04
QSD01
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-SGH-F400 GH42-01592A
QAN06 ASSY RUBBER-INTENNA CONTACT GH98-04988A
QAR01 AUDIO-RECEIVER 3009-001320
QBA00 PMO CASE-BATT COVER GH72-46521A
QBA01 INNER BATTERY PACK-960MAH,BLK, GH43-02720A
QCA01 CAMERA MODULE-SGH F340 MAIN GH59-05667A
QCA02 CAMERA MODULE-SGH F340 SUB GH59-05495A
QCK01 PMO KEY-CAMERA GH72-46524A
QCR05 SCREW-MACHINE 6001-001478
QCR05 SCREW-MACHINE 6001-001478
QCR06 SCREW-MACHINE 6001-001155
QCR47 SCREW-MACHINE 6001-001695
QCR57 SCREW-MACHINE 6001-002001
QFU01 ASSY CASE-SLIDE UPPER GH98-07653A
QKP01 ASSY KEYPAD-MAIN GH98-07651A
QKP02 ASSY KEYPAD-SUB GH98-07652A
QLC01 LCD-MODULE SGH F340 GH07-01262A
QME01 DOME SHEET-SGH F340 MAIN GH59-05514A
QME02 DOME SHEET-SGH F340 SUB GH59-05517A
QMI03 PMO COVER-RUBBER MIC GH72-47483A
QMO01 MOTOR DC-SGHZ130 GH31-00154C
QMP01 PBA MAIN-SGHF400 GH92-04481A
QPC01 FPC-SGH F400 GH41-02096A
QRE01 ASSY CASE-REAR GH98-07657A
QRF01 TAPE-RF GH74-35673A
QSH01 ASSY COVER-SHIELD CAN GH98-08166A
QSP01 ASSY ETC-SGHF400 SPEAKER MODUL GH59-05486A
QVO01 PMO KEY-VOLUME GH72-46525A
QFL01 ASSY CASE-SLIDE LOWER GH98-07654A
QHI01 ASSY HINGE GH98-07658A
QFR01 ASSY CASE-FRONT GH98-07655A
QFR04 PMO DAMPER-FRONT BUSH GH72-46530A
QIF01 PMO COVER-IF GH72-47485A
QRF03 PMO COVER-EAR GH72-47484A
QSD01 PMO COVER-SD GH72-46528A
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) RELEASE SCREWS AT 4POINT.
2) DISASSEMBLE REAR CASE.
11) DISASSEMBLE CONNECTOR.
2) DISASSEMBLE MAIN PBA.
2
31) RELEASE THE FIXED SCREW OF FRONT
CASE. (6 POINT)
2) DISASSEMBLE KEY PAD.
3) DISASSEMBLE FRONT.
41) RELEASE SCREWS AT 4POINT.
2) DISASSEMBLE LOWER CASE.
1) DO NOT MAKE SCRATCH ON CASE. 1) WHEN YOU DISASSEMBLE CONNECTOR,
TAKE CARE NOT TO DAMAGE F-PCB.

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Exploded View and Parts List
7-2
This Document can not be used without Samsung's authorization
5 6
1) DISASSEMBLE SUB CAMERA F-PCB
2) DISASSEMBLE RECEIVER(1EA) AND
MOTOR(1EA).
1) DISASSEMBLE WHEEL CONNECTOR
2) DETACH INSULATION TAPE.
1) BE CAUTIOUS NOT TO DAMAGE TO COMPONENTS
BY PINCETTE.

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Exploded View and Parts List
7-3
This Document can not be used without Samsung's authorization
7-2. Assembly
1 2
34
1) ATTACH INSULATION TAPE
2) ASSEMBLE WHEEL CONNECTOR
1) ASSEMBLE LOWER CASE AND SLIDE
ASS'Y.
2) DRIVE SCREWS AT 4 POINT.
1) ASSEMBLE FRONT CASE.
2) DRIVE SCREWS AT 6 POINT.
1) CONNECT CAMERA F-PCB.
2) INSERT RECEIVER(1EA), MOTOR,
CKAMERA.
1) TAKE CARE NOT TO DAMAGE F-PCB. 1) THE CAMERA F-PCB MUST INSERT CORRECTLY
INSIDE OF GUIDELINE.
2) TAKE CARE NOT TO TWIST ALL OF WIRES.
1) TAKE CARE NOT TO DAMAGE F-PCB.

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Exploded View and Parts List
7-4
This Document can not be used without Samsung's authorization
5 6
7 8
1) INSERT CORRECTLY KEY PAD. 1)ASSEMBLE KEY CONNECTOR.
2)ASSEMBLE MAIN PBA.
1) SLIDE DOWN AND UP ASS'Y SET. 1) ASSEMBLE SIDE KEY CORRECTLY .
1) WHEN CONNECTOR IS ASSEMBLED, CHECK IT
OUT THERE IS "TICK' SOUND.
1) NEED FOR F-PCB PROPERLY ACT.

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Exploded View and Parts List
7-5
This Document can not be used without Samsung's authorization
81) ASSEMBLE MIC RUBBER 1) ASSEMBLE REAR CASE.
2) DRIVE SCREWS AT 6POINT.
10
1) WHEN MIC RUBBER IS ASSEMBLED, CHECK
RUBBER IS INSERTED MIC HOLE OF REAR.

10. Flow Chart of Troubleshooting
10-1
10-1 BASEBAND
10-1-1. Power ON
'Power On' does not work
Voltage >=3.3V
Download again
Charge the Battery
U400 PIN
F10(PS_HOLD)=2.6V
Check the PMIC related to
PS_HOLD
check the PMIC output
voltage (C419, C418,
C413, C417, C415)
check the OSC100
C219=19.2Mhz?
Check the clock generation circuit
(relatedtoOSC100 )
Check the initial operation
END
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Check the current consumption
Check the Vbat Voltage
Current consumption
>= 100mA
check the PMIC
No

Flow Chart of Troubleshooting
10-2
PM IC
VREG_RFRX400
C423
C420
R411
C426
C400
V_RF_S3_2.7V
VBATT
R403
C417
VBATT
C411
C401
R430
C421
OSC400
C429
R409
C414
C410
R407
TP400
C434
C415
Q400
13
2
USB_5V
VREG_TCXO_2.8V
C418
C428
C403
C427
31
2
V_RF_S3_2.7V
U401
EXT_5V
C412
VREG_RFUBM
C424
C433
VREG_MSMC_1.2V
C430
C404
L400
R404
R408
VREG_MSMP_2.6V
R405
VREG_BT_2.6V
V_RF_S2_2.1V
C413
VREG_MSMA_2.6V
V_MMC_2.85V
L402
C425
VDD_EAR_2.9V
VREG_MSMP_2.6V
C419
R401
C416
C407
R412
VREG_MSME_1.8V
L401
VREG_RFRX2_2.85V
C422
C402
R410
L6
VREG_S3
7
L
3
2
S
_
D
D
V
L8
VREG_S2
L9
VREG_MMC
K9
SLEEP_CLK
L1 MPP4|LCD_DRV_N
L10
VREG_RUIM
L11
XTAL_IN
L2 MPP3|KPD_DRV_N
L3 VIB_DRV_N
L4
KPD_PWR_N
5
L
C
M
S
M
_
D
D
V
K11
XTAL_OUT
K2 MPP7|CBLPWR_N
K3 AMUX_OUT
K4
VREG_MSMC K5
VSW_MSMC
K6
VSW_S3
K7
VSW_S2
K8
VREG_MSME
H7 MPP6|RUIM_RST
H8 OPT_2
J1 USB_D_M
J10
VCOIN
J11
VREG_MSMP
J2 USB_D_P K1
HSET_BIAS
0
1
K
MI
U
R
_
D
D
V
G8
SBDT|SSBI
H1 USB_VBUS
H10 TCXO_OUT_1
1
1
H
M
S
M
_
D
D
V
H2 USB_ID
H4 USB_SE0
H5 MPP12|RUIM_IO
H6 MPP10|RUIM_CLK
1
G
V
5
_
G
E
R
V
G10
PON_RESET_N
G11
VREG_MSMA
G2
VREG_USB
G4 USB_DAT
5
GD
N
G
6
GD
N
G
7
GD
N
G
F10
PS_HOLD
F11 TCXO_OUT_RF
F2 USB_OVP_G
F4 USB_OE_N
5
FD
N
G
6
FD
N
G
7
FD
N
G
F8
SBCK
E11 TCXO_IN
E2
BAT_FET_N
E4 TCXO_EN_2
5
ED
N
G
6
ED
N
G
7
ED
N
G
E8
SBST
1
F
V
5
_
W
S
V
D2
ISNS_P
D4 OPT_1
D5 MPP11|RUIM_M_IO
D6 MPP9|RUIM_M_CLK
D7 MPP5|RUIM_M_RST
D8 TCXO_EN_1
1
E
T
A
B
V
E10 REF_GND
9
B
F
R
_
D
D
V
C1
VCHG
C10
MSM_INT_N
C11 REF_BYP
C2
CHG_CTL_N
D1
ISNS_M
D10 REF_ISET
1
1
DC
N
D
B11
VREG_WLAN
2
B
NI
A
M
_
D
D
V
3
B
P
G
_
D
D
V
B4 MPP8|REF_OUT
B5 SPKR_IN_M
B6 SPKR_IN_P
B7 MPP2|AMUX_IN2
B8
VREG_RFUBM
4
A
R
K
P
S
_
D
D
V
A5 SPKR_OUT_M
A6 SPKR_OUT_P
A7 MPP1|AMUX_IN1
A8
VREG_RFTX
A9
VREG_RFRX1
B1
VREG_GP3
B10 TCXO_OUT_2
1C
N
2C
N
A1
VREG_TCXO
A10
VREG_RFRX2
1
1
A
N
A
L
W
_
D
D
V
A2
VREG_GP2
A3
VREG_GP1
U400
C409
V_RF_S2_2.1V
BAT400
G
E
N
2
S
O
P
1
TP401
VREG_USIM_3.0V
VDD_WHEEL_3.0V
C405
C431
C406 C408
R406
C432
PMIC_SBST
SIM_RST
MSM_SIM_CLK
SIM_CLK
MSM_SIM_IO
SIM_IO
VF_MSM
BOOT_SW
USB_DAT_MSM
USB_D_M
USB_D_P
USB_OE_MSM
USB_SEO_MSM
TCXO
BUFF_TCXO
JIG_ON_SW
REF_OUT
MSM_SIM_RST
PMIC_SBDT
SLEEP_CLK
ON_SW
PS_HOLD
PON_RESET_N
PM_INT_N
JIG_ON
JIG_ON_SW
TCXO_EN
C336 C337
C0
40
C0
41
C0
42
C0
43
C404
C405
C0
46
C407
C0
48
C409
C410
C1
41
C1
43
C1
44
C415
C1
47
C418
C425
C2
46
C427
C2
49
C3
41
C433
C3
46
L400
L401
L402
OSC400
4
R405 R406
R0
49
R1
40
R1
41
R1
42
0
TP300
U0
40
U0
41
VREG_RFRX40 0

Flow Chart of Troubleshooting
10-3
10-1-2. Sim Part
Check the voltage at
pin#1(C438) of SIM400 >=
3.0V ?
"Insert SIM"is displayed on the LCD
Check the SIM connector's
(SIM400) connection to
SIM card
Check the PMIC
Resolder or change SIM400
END
No
Yes
Yes
Yes
Yes
No
No
Is there any signals
pin#2,#3,#4of SIM400 ? Check the PMIC
Check the SIM Card

Flow Chart of Troubleshooting
10-4
R413
C436
VREG_USIM_3.0V
C435
7
7
88
9
9
G
1314
GG
1516
G
11 11
1212
2
2
334 4
5
5
66
SIM400
11
1010
C438
C437
0
0
4
R
V
SIM_CLK
SIM_RST
SIM_IO
C335
C3
39
C1
44
C416
C419
C420
C2
41
C2
42
C2
43
C424
C428
C2
49
C434
C3
45
C3
46
C437
C3
48
L400
1
L402
R1
43
SIM400
VR0
40

Flow Chart of Troubleshooting
10-5
10-1-3. Charging Part
When U402 is charging,
U402 pin #5(R427) =L?
Abnormal charging part
C442 at USB_5V or
C440 at EXT_5V =5V?
Replace U401
Resolder U402
END
No
Yes
Yes
Yes
Yes
No
No
Check the battery &TA Check the PMIC

Flow Chart of Troubleshooting
10-6
E
CHARGING
USB_5VVREG_MSMP_2.6V
6NC
NC
7
BTC400
1
1
22
3
3
NC
4
5NC
VBATT
VBATT
R423 C441
R428
C442
USBIN
1
R420
CHRG
5
DCIN 10
6
EN
11
GND
IDC 83 ITERM
IUSB
2
4PWR
U402
9
BAT
BATDET 7
TA400
R424
R422
R427
VREG_TCXO_2.8V
EXT_5V
R425
C440
R429
1
0
4
R
V
VF
CHG_ING_N
VF
TA_OFF
0
4
4
C
1
4
4
C
2
4
4
C
R204
0
2
4
R
R422
3
2
4
R
4
2
4
R
5
2
4
R
7
2
4
R
R428
R429
TP200
TP400
U402
1
0
4
R
V
ZD600

Flow Chart of Troubleshooting
10-7
10-1-4. Microphone Part -PHONE Mic
Is the DC bias voltage on
Normal MIC path at R533
2.85V?
Normal Microphone does not work
Is the assembled status of
Normal mic ok?
Check the path around Noraml MIC bias circuit
Reassemble the Normal mic
END
No
Yes
Yes
Yes
Yes
No
No
Is the Normal Mic path
component soldering status
ok ?Resolder the trouble point
Is Normal microphone ok?
No
Replace the MIC

Flow Chart of Troubleshooting
10-8
MIC_MAIN
OUT
POWER
1
POWER
MIC500
GND
2
GND1
GND
3
GND2
OUT
4
C535
R533
C525
MIC_BIAS
C536
2
3
5
R
C527
MIC1_P
MIC1_N
C128C130
C500
C501
C502
C503
C504
C506
C509
C522
C2
54
C
C526
C527
C528
C529
C532
C3
55
C
0
5
L
0
5
L
R506
R507
R508
R509
R510
R511
R512
R524
R2
55
R2
56
R2
57
R532
R3
53
TA0
50
TA0
53
TP_WE
U0
51
VR70 7

Flow Chart of Troubleshooting
10-9
10-1-5. Speaker part
Is there any signals at the
pin #3(R507), #4(R508)?
There is no sound from the speaker
Is the Normal Mic path
component soldering status
ok ?
Check the MSM6280
Resolder the trouble point
No
Yes
Yes
Yes
No
Change the speaker module
END
Is there any signals at the
pin #9, #16?
Yes
Check the U501
No