GSM TELEPHONE

SGH-X160
GSM TELEPHONE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
CONTENTS Safety Precautions Specification Product Function Array course control Exploded View and Parts List Disassembly and Assembly instructions MAIN Electrical Parts List Block Diagrams PCB Diagrams Flow Chart of Troubleshooting Reference data

Contents

1. Safety Precautions 1-1. Repair Precaution...1-1 1-2. ESD(Electrostatically Sensitive Devices) Precaution..1-2 2. Specification 2-1. GSM General Specification..2-1 2-2. GSM Tx Power Class...2-2 3. Product Function 3-1. Main Function...3-1 4. Array course control Software Downloading 4-1. Downloading Binary Files...4-2 4-2. Pre-requsite for Downloading...4-2 4-3. S/W Downloader Program...4-3 5. Exploded View and Parts List 5-1. Cellular phone Exploded View..5-1 5-2. Cellular phone Part list..5-2 6. Disassembly and Assembly instructions 6-1. Disassembly 6-2. Assembly 7. MAIN Electrical Parts List 8. Block Diagrams 9. PCB Diagrams 10. Flow Chart of Troubleshooting 10-1. Baseband 10-1-1. Power ON...10-1
10-1-2. 10-1-3. 10-1-4. 10-1-5. 10-1-6. 10-2. RF 10-2-1. 10-2-2. 10-2-3. 10-2-4. Initial...10-3 Sim Part...10-5 Microphone Part...10-6 Speaker Part...10-8 LCD backlight...10-10 GSM DCS GSM DCS Rx...10-11 Rx...10-13 Tx...10-21 Tx...10-17

11. Reference data

1. Safety Precautions

1-1. Repair Precaution

Repair in Shield Box, during detailed tuning. Take specially care of tuning or test, because specipicty of cellular phone is sensitive for surrounding interference(RF noise). Be careful to use a kind of magnetic object or tool, because performance of parts is damaged by the influence of manetic force. Surely use a standard screwdriver when you disassemble this product, otherwise screw will be worn away. Use a thicken twisted wire when you measure level. A thicken twisted wire has low resistance, therefore error of measurement is few. Repair after separate Test Pack and Set because for short danger (for example an overcurrent and furious flames of parts etc) when you repair board in condition of connecting Test Pack and tuning on. Take specially care of soldering, because Land of PCB is small and weak in heat. Surely tune on/off while using AC power plug, because a repair of battery charger is dangerous when tuning ON/OFF PBA and Connector after disassembing charger. Don't use as you pleases after change other material than replacement registered on SEC System. Otherwise engineer in charge isn't charged with problem that you don't keep this rules.
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization

Safety Precautions

1-2. ESD(Electrostatically Sensitive Devices) Precaution
Several semiconductor may be damaged easilly by static electricity. Such parts are called by ESD(Electrostatically Sensitive Devices), for example IC,BGA chip etc. Read Precaution below. You can prevent from ESD damage by static electricity. Remove static electricity remained your body before you touch semiconductor or parts with semiconductor. There are ways that you touch an earthed place or wear static electricity prevention string on wrist. Use earthed soldering steel when you connect or disconnect ESD. Use soldering removing tool to break static electricity. , otherwise ESD will be damaged by static electricity. Don't unpack until you set up ESD on product. Because most of ESD are packed by box and aluminum plate to have conductive power,they are prevented from static electricity. You must maintain electric contact between ESD and place due to be set up until ESD is connected completely to the proper place or a circuit board.

2. Specification

2-1. GSM General Specification
GSM900 P ha se 1 Freq. Band [M Hz] Up l in k/Do w n li nk A RF C N ra n ge Tx/ Rx s paci ng M od. B i t r a t e / B i t P e r i od Ti me Sl ot P e ri od / Fr am e P e ri od Modul at ion MS Power Power C la ss Sensit ivi ty T DMA Mu x Cel l R ad i us ~ ~ 1~45 M Hz 2 70. kb p s 3. u s 57 6. 9 u s 4.615 ms 0.3 GM S K 33 d Bm ~13 d Bm 5 p cl ~ p cl - 102 dBm Km EGS M P ha se 80 ~ ~ 0~& ~ 5 M Hz 2 70. kb p s 3. u s 57 6. 9 u s 4.615 ms 0.3 GM SK d Bm~ 5 d Bm 5 pcl ~ 19 pcl - 102 d Bm Km DCS1800 Ph ase 71 0~ 5~ 51 2~ 95 MHz 2 70. kbp s 3.692 us 576.9 us 4. m s 0. 3 GM SK d Bm~0 d Bm 0 pcl ~ 15 pcl -100 dBm Km

Speclflcation

2-2. GSM Tx Power Class
TX Power control level 19 TX Power control level dBm 93 dBm 73 dBm 53 dBm dBm 64 dBm 44 dBm 25 dBm 05 dBm

GSM900

DCS1800
332 dBm 312 dBm 292 dBm 272 dBm 252 dBm 232 dBm 212 dBm 192 dBm 172 dBm 152 dBm 132 dBm
303 dBm 283 dBm 263 dBm 243 dBm 223 dBm 203 dBm 183 dBm 163 dBm 143 dBm 124 dBm 104 dBm

3. Product Function

Main Function
-Network services -Sound settings -Messages (SMS, MSM, Push messages) -WAP browser -Alarm, Calculator, Calendar, Time & Date, Voice mail

4. Array course control

Test Jig (GH80-00865A)

Test Cable (GH39-00127A)

RF Test Cable (GH39-00397A)

Array course control

Software Downloading
4-1. Downloading Binary Files Three binary files for downloading X160. X160XXYY.s3 : Main source code binary.
4-2. Pre-requsite for Downloading Downloader Program(OptiFlash.exe) X160 Mobile Phone Data Cable Binary files
4-3. S/W Downloader Program 1. Load the binary download programby executing the OptiFlash.exe
2. Select the Options -> Settings -> Generic -> Specify hardware platform. Choose hardware platform for the downloader file setting. Set the everything else as the default values which are shown below
4-3 3. Select the COM port when the download cable is connected
Up to twelve ports are supported. Additionally you can select the maximum transfer speed OptiFlash will use to communicate with the phone. However, OptiFlash will use a slower speed if either the PCs or the phones serial hardware is incapable of handling the selected speed
4. Select theFlash&Verify -> Browse 4-4
Set the directory path and choose the latest s/w binary, for example X160XXYY.s3,for the downloader binary setting.
Make sure that not to change the reserved memory regions. In case of X160 the reserved memory regions are : -0x00fc0000 0x00fdffff -0x00ff0000 0x00ffffff
5. Click OK button then press Flash. (Before pressing Flash button, push the button *and END at the same time. Then press Flash.) Downloader will upload the binary file as below for the downloading.
6. When downloading is finished successfully, there is a All is well message. 7. After finishing downloading, Certain memory resets should be done to guarantee the normal performance. 8. Confirm the downloaded version name and etc. : *#5002*8376263# Full Reset : *2767*3855#
5. Exploded View and Parts List
5-1. Cellular phone Exploded View

QFU01 QFR01

QRF03 QSC14 QVO01 QIF01 QME03 QKP01 QSC26 QMI03 QSP01 QMO01 QHI01 QLC01

QMP01 QME01

QAN02 QCR06 QSC02 QFL01

QBA01 QRF01

QBA00 QCR05
Main Electrical Parts List
5-2. Cellular phone Parts list
Design LOC QAN02 QAN05 QBA00 QBA01 QCR05 QCR06 QFU01 QKP01 QLC01 QME01 QME03 QMI01 QMI03 QMO01 QMP01 QMW01 QRE01 QRF01 QSC02 QSC14 QSC26 QSP01 QVO01 QFL01 QFR01 QHI01 QIF01 QRF03 Discription INTENNA-SGHX160 MEC-INTENNA CONN RUBBER MEC-COVER BATT INNER BATTERY PACK-800MAH,BLK, SCREW-MACHINE SCREW-MACHINE ASSY-CASE-UPPER FOLDER ASSY-KEY-KEYPAD(SKA/SER) ELA UNIT-SGHX160 LCD MODULE SV UNIT-METAL DOME UNIT-CON TO CON MICROPHONE-ASSY-6.25MM RMO-MIC HOLDER MOTOR DC-SGHZ130 PBA MAIN-SGHX160 PMO-COVER LCD ASSY-CASE-REAR MPR-RF SHEET RMO-FOLDER SCREW COVER MPR-TAPE FRONT HOLE PMO-COVER FPCB HOLE SPEAKER MEC-VOL KEY ASSY-CASE-LOWER FOLDER MEC-HINGE (CAN TYPE) ASSY-CASE-FRONT PMO-COVER IF PMO-COVER EAR SEC CODE GH42-00819A GH75-08200A GH75-09621B GH43-01850A 6001-001478 6001-001155 GH98-00716A GH98-01132A GH96-02196A GH59-03135A GH59-03136A GH30-00177F GH73-05342A GH31-00154A GH92-02684A GH72-30220A GH98-00719A GH74-17894B GH73-05511A GH74-23661A GH72-30082A 3001-001954 GH75-09622B GH98-00717A GH75-09075A GH98-00718A GH72-30078A GH72-30077B
Discription BAG PE ADAPTOR-SGHN288 TAD LABEL(P)-WATER SOAK MANUAL-WARRANTY CARD MANUAL-SFC LABEL(P)-BARCODE RUSSIA MANUAL USERS-EU RUSSIAN LABEL(R)-MAIN(SER) CUSHION-CASE (EU) BOX(P)-UNIT MAIN(SER) IPR-MAGNETIC RMO-BGA RUBBER T RMO-BGA RUBBER M RMO-BGA RUBBER B RMO-YAMAHA RUUBBER RMO-CUSHION B2B CON MPR-MAIN LCD BOHO VINYL(S) MPR-BOHO VINYL LCD CONN MPR-MAIN CON GASKET MPR-BOHO VINYL UPPER MPR-FPCB PORON MPR-VINYL BOHO REAR MPR-TAPE SLIDE CON LCD MPR-TAPE DOME SHEET MPR-TAPE J TAG MASKING MPR-TAPE DOME SHEET TOP MPR-TAPE LCD
SEC CODE 6902-000297 GH44-00184A GH68-02026A GH68-02623A GH68-04336A GH68-08494A GH68-09790A GH68-10842B GH69-03548A GH69-03926B GH70-01448A GH73-05471A GH73-05472A GH73-05473A GH73-05641A GH73-06773A GH74-05008A GH74-15350A GH74-17892A GH74-18028A GH74-18593A GH74-19864A GH74-20646A GH74-22759A GH74-22760A GH74-23945A GH74-24168A
6. Disassembly and Assembly instructions

6-1. Disassembly

ANT CONTACT

IF COVER

EAR JACK

SIDE KEY

1. loosen the four screws at the rear cover 2. Open the rear cover from the bottom-side hook caution 1. Handle the HOOK with care, and check No bending the board and front cover 2. MIC RUBBER is the proper place 3. Do not touch antenna contact with fingers 1. Disconnect LCD CONN from the Main Board 2. Take off the main board from the case after taking out the IF cover 3. Take off the Key pad caution 1. Handle with care LCD CONN itself and dust

FRONT HOLE TAPE

SCREWCAP/S CREW
after disassembly 1. Take out the FRONT HOLE TAPE 2. Take off the Hinge with widening the left side gap with front cover. 1. Pull up the SCREW CAP with pinset. 2. Loosen the screws from cover(2 POINT)
3. Open the FOLDER UPPER 3. Carefully take out the LCD FPCB through FRONT caution HOLE 1. Do not Scratch with the JIG to open caution 2. Handle the HOOK with care, and check No 1. LCD FPCB is easy to break 6-1 bending the board and front cover
Disassembly and Assembly instructions

CON HOLE COVER 4 3

INTENNA

Flooding Label

1. Take out the CON HOLE COVER 2. Take out MOTOR/FPCB/SPEAKER/LCD caution 1.Handle with care LCD CONN itself and dust. 2.Handle with care MOTOR / SPEAKER WIRE and LCD
1. Take out INTENNA with using a PINSET caution 1.Take care of INTENNA damage. 2.Flooding Label check 3.Do not touch antenna contact with fingers.

6-2. Assembly

Put the MOT/SPK/CON TO CON and HOLE COVER

Check the wire

CON HOLE COVER FOLDER UPPER
1. insert CON TO CON to LOWER CON HOLE 2. PUT the LCD / MOT / SPK / CON HOLE COVER in order caution 1. Handle wires and CON TO CON with care 2. Check every thing is proper place and conformed 3. Do not touch front side of LCD (fingerprint)
1.Assemble FOLDER UPPER, Follow the picture 1-2-3 caution

SCREW CAP

LOWER SCREW
1. Tighten LOWER SCREW (2 POINT) 2. Insert the SCREW CAPS caution
1. Put the LCD CON TO CON through the hole and insert to HINGE HOUSING 2. After finishing left side, bend front cover to make space and push the hinge in. 3. Repeat open and close to place the hinge and connector caution 1. Handle the CON TO CON with care. 2. Do not make scratch at the hinge insertion 3. Check the FOLDER tension is good enough. 6-3

EMI TAPE LCD CONN

1. Set the FRONT HOLE TAPE at the line 2. Set the F-PCB GASKET TAPE 2. Put the KEY PAD caution 1. No scratch 2. The tapes are proper place. 3. key pad does not get loose 1.PUT the PBA after Air Blow 2.Connect LCD CONN caution 1. Take care the components on the board 2. Check the LCD CON is conformed 3. No dust should be inside.

1. Assemble the REAR ASS'Y from the upper Hook 2. Tighten REAR SCREW (4 POINT) HOLE caution 1. No Scratch. 2. Check there is no gap
7. MAIN Electrical Parts List

SEC Code

0403-001547 0406-001083 0406-001083 0406-001083 0501-000225 0504-000168 0601-002070 0601-002070 0601-002070 0601-002070 0601-002070 0601-002070 0601-002070 0601-002070 0601-002070 0601-002070 0601-002070 0601-002070 0601-002070 0601-002070 0801-002529 1001-001306 1009-001020 1108-000070 1201-002063 1201-002278 1203-003304 1203-003328 1203-003663 1204-001811 1205-002683 1209-001219 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 1405-001082

Design LOC

ZD300 ZD302 ZD303 ZD304 Q300 Q103 LED300 LED301 LED302 LED303 LED304 LED305 LED306 LED307 LED308 LED309 LED310 LED311 LED315 LED316 U109 U300 U203 UME201 U301 PAM100 UCD107 U204 U105 UCD106 UCD101 U202 VR300 VR301 VR302 VR303 VR304 VR309 VR310 VR311 VR312 VR313 VR314 VR315

Discription

DIODE-ZENER DIODE-TVS DIODE-TVS DIODE-TVS TR-SMALL SIGNAL TR-DIGITAL LED LED LED LED LED LED LED LED LED LED LED LED LED LED IC-CMOS LOGIC IC-ANALOG MULTIPLEX IC-HALL EFFECT S/W IC-MCP IC-AUDIO AMP IC-POWER AMP IC-POWER SUPERVISOR IC-DC/DC CONVERTER IC-BATTERY IC-MELODY IC-TRANSCEIVER IC-SENSOR VARISTOR VARISTOR VARISTOR VARISTOR VARISTOR VARISTOR VARISTOR VARISTOR VARISTOR VARISTOR VARISTOR VARISTOR

SEC CODE

SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA
Exploded View and Parts List
1405-001082 1405-001082 1405-001082 1405-001082 1405-001082 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000140 2007-000143 2007-000148 2007-000148 2007-000148 2007-000148 2007-000148 2007-000153 2007-000157 2007-000157 2007-000157 2007-000157 2007-000157 2007-000161 2007-000161 2007-000161 2007-000161 2007-000162 2007-000162 2007-000162 2007-000162 2007-000164 2007-000170 2007-000171 2007-000171 2007-000171

C331 C138 C219 C321 C129 C168 C170 C171 C173 C126 C188 C139 C155 C164 C167 C178 C180 C203 C211 C213 C215 C218 C221 C301 C316 C322 C325 C113 C114 C115 C116 C120 C106 C107 C110 C105 C109 C239 C179 C202 C308 C225 C101 C146
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 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
2203-006201 2203-006208 2203-006257 2203-006260 2203-006260 2203-006260 2203-006318 2203-006318 2203-006318 2203-006423 2203-006423 2203-006423 2203-006423 2203-006438 2203-006466 2203-006556 2203-006556 2203-006562 2203-006562 2203-006626 2203-006626 2203-006648 2203-006708 2203-006708 2404-001225 2404-001225 2404-001225 2404-001339 2404-001343 2404-001352 2404-001374 2404-001381 2404-001381 2404-001381 2404-001406 2703-001722 2703-002313 2703-002313 2703-002313 2703-002485 2703-002558 2703-002603 2703-002767 2703-002842
C162 C314 C313 C205 C209 C214 C102 C117 C118 C100 C112 C150 C151 C222 C337 C119 C199 C182 C224 C304 C310 C147 C172 C174 C333 C334 C335 C163 C177 C336 C111 C186 C223 C324 C332 L113 L101 L303 L304 L104 L110 L105 L201 L100
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-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP C-TA,CHIP INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD
2703-002842 2801-003856 2801-004426 2901-001296 2901-001296 2901-001296 2904-001592 2904-001599 3301-001158 3301-001158 3301-001342 3404-001152 3404-001152 3705-001358 3709-001384 3710-001611 3711-005728 3711-006228 3722-002067 4302-001130 GH09-00036A GH71-04813A GH71-04813A
L111 OSC200 OSC100 F200 F202 F203 F101 F102 L300 L302 L200 TAC300 TAC301 RFS100 SIM103 IFC301 HDC201 BTC301 EAR300 M300 UCP201 ANT GND
INDUCTOR-SMD CRYSTAL-SMD CRYSTAL-SMD FILTER-EMI SMD FILTER-EMI SMD FILTER-EMI SMD FILTER-SAW FILTER-SAW BEAD-SMD BEAD-SMD BEAD-SMD SWITCH-TACT SWITCH-TACT CONNECTOR-COAXIAL CONNECTOR-CARD EDGE CONNECTOR-INTERFACE HEADER-BOARD TO BOARD HEADER-BATTERY JACK-EAR PHONE BATTERY-LI(2ND) IC MICOM-SGHX480 NPR-ANTENNA CONTACT NPR-ANTENNA CONTACT

SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA

8. Block Diagrams

9. PCB Diagrams

ANT GND

EAR30 0

F202 F200

VR316 VR32 0

3 Q 00

3 VR VR 12

VR 19 3

HDC20 1

3 VR 17

RFS10 0

FFF10 3

1 PAM 00

3 U 00

3 U 01

C1 U D 06

VR30 0

3 TAC 01

UCD10 1

Q 03 1

C1 U D 07

3 TAC 00

3 M 00

2 U 02

OSC10 0

S2 O C 00

CP_TDI CP_TCK

CP_TDO GND1 CP_TMS

UCP201

M U E201

SIM10 3

1 U 05VR308

3 ZD 02

3 VR VR VR 07

BTC30 1

ZD30 3

IFC30 1

PCB Diagrams

VR31 8

LED309

LED311

LED308

LED310

LED 03 3

LED 01 3

VR 04 3

LED 02 3

VR 13 3

VR 11 3

LED 04 3

VR 14 3

LED 05 3

LED 00 3

VR VR 02 3

LED 07 3

VR 09 3

LED 06 3

VR 03 3

LED31 5

LED31 6

U 03 2
10. Flow Chart of Troubleshooting

10-1. Baseband

10-1-1. Power ON

'Power ON' does not work

check the current consumption >= 100mA Yes

Download again

Check the Voltage of the Battery >= 3.3V Yes

Charge the battery

Check the pin C152, C153,C155 of UCP107 is >= 2.8V >=2.8V Yes
Check "Power On" key? Yes

check keypad

check UCP107 and C153
Check the clock signal at pin #4 of OSC100 Freq=26Mhz, Vrms >=300mV
Check the clock generation circuit OSC100
Yes Check the Initial Operation Yes END

DSP_DB(0:15)

Flow Chart of Troubleshooting
DSP_DB(15) DSP_DB(14) DSP_DB(13) DSP_DB(12) DSP_DB(11) DSP_DB(10) DSP_DB(9) DSP_DB(8)
D2 D3 E3 E2 F3 F2 F1 F4 DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8

VCCD_2.9V

NC6 NC5 GNDS17 GNDS16 GNDS15 GNDS14 GNDS13 GNDS12 GNDS11 GNDS10 GNDS9 GNDS8 GNDS7 GNDS6 GNDS5 GNDS4 GNDS3 GNDS2 GNDS1 A UX_A DC3
K 10 J 10 J9 J8 J7 H9 H8 H7 H6 G10 G9 G8 G7 F10 F9 F8 F7 D13

VCCA_2.9V

GND_OCTL VDD_OCTL GNDV VDDV GNDB VDDB GNDD VDDD VSS4 VSS3 VSS2 VSS1 VDD_IO2 VDD_IO1 VDD3 VDD2 VDD1 GND_HCUR GND_PSC2 GND_PSC1 GNDQ VDD67 VDD5
B4 C4 P13 L 11 F6 A6 M10 N11 P6 R2 K4 G5 J4 N5 N6 M3 J3 F11 K 15 B 15 E8 B 13 C10
UP_CLK UP_RST UP_IO SIM_IO SIM_RST SIM_CLK
VDD34 C11 VDD12 J13 N9 R10 P10 J11 K11 K14
SIMCLK SIMRST SIMDATA SIM_IO SIM_RST SIM_CLK

10-1-2. Initial

Initial Failure
check the pin RSTB of UCP201 is LOW? Yes

Check U201

check the pin CKI of UCP201 is 13Mhz? Yes
Check R177,R178,R131,C127
Check the clock signal at pin #3 of OSC100 Freq=26Mhz?

check OSC100

Check the pin #9 of UCP107 is HIGH and pin #11, #13 is 2.9V?

Check UCP107

13M_OUT
VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS
L9 J 11 L8 M7 L 10 L6 K7 K6 J7 H11 H7 G10 G9 F6 A3 A2

R177 R178 R133 R131

VDD VDD VDD VDD VDD VDD VDD VDD VDD C16 A5 R17 R16 T13 R4 R1 G1 E2
VCCD_1.8V VCCD_2.9V C200 C201
C127 C129 CLK13M_MC CLK13M_YMU
VDDE VDDE VDDE VDDE VDDE VDDE VDDE VDDE VDDE VDDE VSS_DPL L VDD_DPL L XVREF VSSA VDDA VRTC CK I RSTB
B 14 E17 E16 N16 U16 U15 P8 U2 M1 B1 E15 G16 F10 E10 C11 D8 F17 C12
VCCD_1.8V VRTC_3V VCCD_2.9V

TDO TRST TDI TMS TCK

F12 F15 H12 G12 H13

CLK13M_TR

TR_RST

VREF CLK13M_TR TR_RST

10-1-3. Sim Part
"Insert SIM" is displayed on the LCD
The voltage is 2.8V at the pin#1 of SIM103

Check the UCP107

Is there any signal pin #2,3,4 of SIM103?
Check the UCP107 & UCP201

Yes Check the SIM Card

SIM103
VCC VCC CL K GND VPP I/O NC NC NC NC

VSIM SIM_RST SIM_CLK

SIM_IO

C138 C139 C140 C141

10-1-4.Microphone Part
* Call with Sim before testing.
MicroPhone does not work Yes
Check the soldered status of microphone Yes

Resolder microphone

Check the reference voltage on mic path R335 2.0V Yes
1 Resolder or change R335,R336,R337,R338,R339,R340,R341, C318,C320,C321,C322,C323,C361

Is microphone OK?

Yes END
R353 R354 R358 MICINP MICOUTP MICINN R364 MICOUTN C327 C326 C322 R359 C316 C319 R363 R355

MIC+ L22

10-1-5. Speaker Part
There is no sound from speaker
Check the connection status of LCD connector HDC201 Yes

reconnect HDC201

Are there any signal at the speaker pad on LCD PCB? No
Replace the speaker module
Check R345, R349 of U302. Voltage is 1V? Yes END

Check UCD107

10-1-6. LCD backlight

Backlight does not work

Backlight ON "TIME" mode in the menu? Yes
Select backlight "15 sec" mode
Check conecting between PBA and LCD conector Yes

Check FPCB

Check U204 pin #1 = 6V ? Yes END

Check the LCD

LED+ LEDC225 R242

VOUT GND FB

SW 6 VIN 5 CTRL 4 R241

LED_EN

10-2. RF 10-2-1. GSM Rx
CONTINOUS RX ON RF INPUT : 62CH AMP : -50dbm
Normal condition catch the channel ? Yes

ANT, C104,C126,L102,L113

Check PAM100 pin 12 -65 dbm ? Yes
Resolder or change RFS100,C102,C199,L100,L101,L111
Check PAM100 pin 16 -65 dbm ? Yes
Resolder or change PAM100
Check UCD101 pin 21,22 65dBm ? Yes
Resolder or change F101,C105,C109,L104
Check UCD101 pin 13 = 2.9V Yes Resolder or change UCP201
Resolder or change UCD107

10-2-2. DCS Rx

CONTINOUS RX ON RF INPUT : 698CH AMP : -50dbm
Check PAM100 pin 18 -65 dbm ? Yes
Check UCD101 pin 19,20 65dBm ? Yes
Resolder or change F102,C117,C118,L105

RFS100

ANT L102 C126 C104 L113
GSM850|900TXIN VMOD_EN VBS2 VBS1 VTX VRAMP VBATT

ANT RX4 RX3 RX2

C199 C106 C107 C108

1 IN G 2

OUT G 5

GSM_LNA_IN_N L104

RX1 20

13 GNDGNDGNDGNDGND5

GSM_LNA_IN_P

1 DCS|PCSIN

PAM100

FOUT IN G OUT G 3 4

C117 L105 C118

DCS_LNA_IN_N

DCS_LNA_IN_P

F103 OUT 1 IN G G 3

PCS_LNA_IN_N L106

PCS_LNA_IN_P

10-2-3. GSM Tx

CONTINUS TX ON CONDITION

Check UCD101pin 15 : about 2~3 dbm?
Check UCD101 pin 6 : 2.8V ?
TX POWER DAC : 554 CODE Check and APPLIED change CH : 62ch UCP201,UCD107 RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV : 10dBm ATT : 20dB

Yes No

PAM100 pin 11: about 4~5dbm?
Check and change RFS100, L100,L111
3 UCD101 check & change 1
PAM100 pin 7 : 3.7V ? Yes PAM100 pin 8 : 1.2V ? Yes
PAM100 pin 12: about -5dbm?
Battery, 4 UCD107 check & change

UCD107 check

Yes PAM100 pin 6 : 3V ? Yes PAM100 change or resolder No UCD107 check
UCD101 pin 12,13,28,29 : 2.9V ? Yes UCD101 change or resolder
UCD107 change or resolder

10-2-4. DCS Tx

Check UCD101 pin 16 : about 2~3
Check and change UCP201,UCD107
Yes No PAM100 pin 1 : about 4~5dbm? Yes
3 UCD101 check & change
TX POWER DAC : 560 CODE APPLIED CH : 698CH(DCS), 660CH(PCS) RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV : 10dBm ATT : 20dB

PAM100 pin 12 : about -5dbm?
Battery, PAM100 check & change

PAM100 check

PAM100 pin 6 : 3V ?
Yes PAM100 change or resolder
11-1. Reference Abbreviate
AAC: Advanced Audio Coding. AVC : Advanced Video Coding. BER : Bit Error Rate BPSK: Binary Phase Shift Keying CA : Conditional Access CDM : Code Division Multiplexing C/I : Carrier to Interference DMB : Digital Multimedia Broadcasting EN : European Standard ES : Elementary Stream ETSI: European Telecommunications Standards Institute MPEG: Moving Picture Experts Group PN : Pseudo-random Noise PS : Pilot Symbol QPSK: Quadrature Phase Shift Keying RS : Reed-Solomon SI : Service Information TDM : Time Division Multiplexing TS : Transport Stream
This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.
Samsung Electronics Co.,Ltd.
Code No.: GH68-10717A 2006. 05. Rev.1.0

Samsung X160

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Samsung X160 manual, tips, reviews
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