GSM TELEPHONE
SGH-X550
GSM TELEPHONE |
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CONTENTS |
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1. |
Safety Precautions |
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2. |
Specification |
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3. |
Operation Instruction and |
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Installation |
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4. |
Array course control |
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5. |
Exploded View/Disassembly |
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and Assembly Instructions |
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6. |
MAIN Electrical Parts List |
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7. |
Block Diagrams |
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8. |
PCB Diagrams |
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9. |
Flow Chart of Troubleshooting |
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10. |
Reference data |
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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 magnetic 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 disassembling 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.
1-1
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Safety Precautions
1-2. ESD(Electrostatically Sensitive Devices) Precaution
Several semiconductor may be damaged easily 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.
1-2
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2. Specification
2-1. GSM General Specification
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GSM900 |
EGSM 900 |
DCS1800 |
PCS1900 |
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Phase 1 |
Phase 2 |
Phase 1 |
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Freq. |
890~915 |
880~915 |
1710~1785 |
1850~1910 |
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Band[MHz] |
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935~960 |
925~960 |
1805~1880 |
1930~1990 |
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Uplink/Downlink |
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ARFCN range |
1~124 |
0~124 & |
512~885 |
512~810 |
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975~1023 |
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Tx/Rx spacing |
45MHz |
45MHz |
95MHz |
80MHz |
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Mod. Bit rate/ |
270.833kbps |
270.833kbps |
270.833kbps |
270.833kbps |
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Bit Period |
3.692us |
3.692us |
3.692us |
3.692us |
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Time Slot |
576.9us |
576.9us |
576.9us |
576.9us |
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Period/Frame |
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4.615ms |
4.615ms |
4.615ms |
4.615ms |
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Period |
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Modulation |
0.3GMSK |
0.3GMSK |
0.3GMSK |
0.3GMSK |
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MS Power |
33dBm~5dBm |
33dBm~5dBm |
30dBm~0dBm |
30dBm~0dBm |
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Power Class |
5pcl ~ 19pcl |
5pcl ~ 19pcl |
0pcl ~ 15pcl |
0pcl ~ 15pcl |
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Sensitivity |
-102dBm |
-102dBm |
-100dBm |
-100dBm |
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TDMA Mux |
8 |
8 |
8 |
8 |
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Cell Radius |
35Km |
35Km |
2Km |
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2-1
Speclflcation
2-2. GSM Tx Power Class
TX Power |
GSM900 |
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control level |
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5 |
33±2 dBm |
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6 |
31±2 dBm |
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7 |
29±2 dBm |
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8 |
27±2 dBm |
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9 |
25±2 dBm |
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10 |
23±2 dBm |
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11 |
21±2 dBm |
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12 |
19±2 dBm |
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13 |
17±2 dBm |
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14 |
15±2 dBm |
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15 |
13±2 dBm |
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16 |
11±3 dBm |
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17 |
9±3dBm |
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18 |
7±3 dBm |
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19 |
5±3 dBm |
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TX Power |
DCS1800 |
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control level |
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0 |
30±3 dBm |
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1 |
28±3 dBm |
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2 |
26±3 dBm |
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3 |
24±3 dBm |
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4 |
22±3 dBm |
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5 |
20±3 dBm |
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6 |
18±3 dBm |
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7 |
16±3 dBm |
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8 |
14±3 dBm |
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9 |
12±4 dBm |
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10 |
10±4 dBm |
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11 |
8±4dBm |
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12 |
6±4 dBm |
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13 |
4±4 dBm |
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14 |
2±5 dBm |
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15 |
0±5 dBm |
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TX Power |
PCS1800 |
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control level |
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0 |
30±3 dBm |
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1 |
28±3 dBm |
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2 |
26±3 dBm |
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3 |
24±3 dBm |
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4 |
22±3 dBm |
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5 |
20±3 dBm |
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6 |
18±3 dBm |
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7 |
16±3 dBm |
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8 |
14±3 dBm |
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9 |
12±4 dBm |
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10 |
10±4 dBm |
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11 |
8±4dBm |
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12 |
6±4 dBm |
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13 |
4±4 dBm |
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14 |
2±5 dBm |
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15 |
0±5 dBm |
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2-2
3. Operation Instruction and Installation
Main Function
―SMS/EMS/MMS Message Service
―WAP2.0
―Speaker phone
―TFT 1.9" Main Display
―Dual Display VGA Camera Folder
―16 Poly Melody
―E-mail client
―Bluetooth
3-1
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Operation Instruction and Installation
3-2
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4. Array course control
4-1. Software Adjustments
Serial Cable(CSA LL64151-A) Power Cable
USB DATA CABLE (CSA LL11105 AWM) |
JIG BOX (GH80-01909A) |
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JIG CABLE (GH39-00217A)
4-1
SAMSUNG Proprietary-Contents may change without notice
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Array course control
4-2. Software Downloading
4-2-1. Pre-requsite for Downloading
•Downloader Program(S_Benz Downloader_V2.0.exe)
•X550 Mobile Phone
•Data Cable
•Binary file, TFS file
4-2-2. S/W Downloader Program
■ Load the binary download program by executing the
"S_Benz Downloader_V2.0.exe”
1. Select the connected serial port and the rate of speed
2. Select the check box, the mode you want to download.
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if |
the binary file wanted, check only 'BIN' |
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if |
the tfs file wanted, check only 'TFS' |
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if |
all the files wanted, check 'BIN+TFS' |
4-2
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Array course control
3. Select the file(s) what you want to download
4-3
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Array course control
4-4
SAMSUNG Proprietary-Contents may change without notice
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5. Exploded View/Disassembly&Assembly Instructions
5-1. Cellular phone Exploded View
QFU01
QME16
QLC01
QMW01
QCA01
QFL01
QCR05
QSC01
QSP01
QMO01
QVK01 
QAN05 
QCR05 
QAN02 
QHI01
QVO01 
QRF03
QIF01
QFR01
QKP01
QME01
QMP01
QMI01
QRE01
QCR31
QBA01
QBA00
5-1
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This Document can not be used without Samsung's authorization
Exploded View/Disassembly&Assembly Instructions
5-2. Cellular phone Parts list
Design LOC |
Description |
Sec Code |
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QAN02 |
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INTENNA-SGH X550 |
GH42-01044A |
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QAN05 |
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ASSY MEC-INTENNA CONTACT |
GH75-08168A |
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QBA00 |
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PCT CASE-BATT TFC(XEC) |
GH72-41875A |
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QBA01 |
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INNER BATTERY PACK-800MAH,MAIN |
GH43-02589A |
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QCA01 |
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UNIT-SGHX550 CAMERA MODULE |
GH59-03869A |
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QCR05 |
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SCREW-MACHINE |
6001-001478 |
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QCR05 |
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SCREW-MACHINE |
6001-001478 |
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QCR31 |
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SCREW-MACHINE |
6001-001795 |
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QFU01 |
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ASSY CASE-FOLDER UPPER(XEC) |
GH98-04939A |
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QKP01 |
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ASSY KEYPAD-(XET/RED) |
GH98-02693B |
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QME01 |
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UNIT-METAL DOME |
GH59-03832A |
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QME16 |
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UNIT-CON TO CON ASSY |
GH59-03813A |
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QMI01 |
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MICROPHONE-ASSY |
GH30-00321A |
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QMO01 |
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MOTOR DC-SGHX550 |
GH31-00348A |
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QMP01 |
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PBA MAIN-SGHX550 |
GH92-03766A |
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QRE01 |
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ASSY CASE-REAR COVER |
GH98-02691B |
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QSC01 |
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RMO-RUBBER SCREW CAP |
GH73-08379B |
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QSP01 |
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SPEAKER |
3001-002137 |
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QVK01 |
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UNIT-VOLUME KEY |
GH59-03830A |
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QVO01 |
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PMO-VOLUME KEY V2 |
GH72-39529A |
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QLC01 |
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ELA ETC-SGH X550 LCD MODULE |
GH96-02309A |
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QMW01 |
ASSY COVER-MAIN WINDOW |
GH98-02694A |
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QFR01 |
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ASSY CASE-FRONT COVER |
GH98-02690B |
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QIF01 |
PMO-COVER IF |
GH72-35231B |
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QRF03 |
PMO-COVER EAR JACK V2 |
GH72-39434B |
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QFL01 |
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ASSY CASE-FOLDER LOWER |
GH98-02689B |
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QHI01 |
ASSY HINGE-FOLDER |
GH98-03351A |
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5-2
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Exploded View/Disassembly&Assembly Instructions
Description |
Sec Code |
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BAG PE |
6902-000634 |
ADAPTOR-SGHD500 TA |
GH44-01451A |
LABEL(R)-WATER SOAK |
GH68-09361A |
LABEL(R)-MAIN(EU) |
GH68-14831A |
MANUAL USERS-XEC SPANISH |
GH68-15419A |
BOX-UNIT(XEC) |
GH69-05416B |
CUSHION PLUP-CASE(XEC) |
GH69-05602A |
MPR-REMOVE TAPE LCD |
GH74-13804A |
MPR-TAPE LCD CONN COVER |
GH74-14057A |
MPR-TAPE LED |
GH74-17926A |
MPR-INSU TAPE |
GH74-18595A |
MPR-VINYL BOHO MAIN WINDOW |
GH74-22341A |
MPR-INSU TAPE SUB LCD |
GH74-27510A |
MPR-INSU TAPE |
GH74-27512A |
MPR-TAPE |
GH74-29296A |
MPR-TAPE MAIN FPCB |
GH74-30860A |
TAPE GASK |
GH74-32900A |
SPONGE-PBA IF |
GH74-32903A |
TAPE-FPCB HOLE MASK |
GH74-33011A |
TAPE-LED MASKING |
GH74-33166A |
5-3
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Exploded View/Disassembly&Assembly Instructions
5-3. Disassembly and Assembly Instructions
5-3-1. Disassembly
1
1) Unscrew the REAR at the 4 points.
2
1)Disassemble the REAR from the LOWER using a diassembly stic.
1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! 2) Please remove the lower end locker first.
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1) Detach the volume key F-PCB , LCD CONNECTOR and MIC from the FRONT ASS'Y.
1) Disassemble the KEYPAD.
2) Disassemble the PBA from the FRONT ASS'Y.
2) Detach the DUST PROTECTION TAPE from the LOWER.
1) Be careful not to |
damage F-PCBs. |
1) Be careful not |
to make scratch and damage to |
(Volume key, LCD, |
MIC) |
the LCD F-PCB. |
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5-4
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Exploded View/Disassembly&Assembly Instructions
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1) Push the hinge |
between FOLDER UPPER and |
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1) Remove screw |
rubber caps and unscrew the FOLDER |
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FOLEDR LOWER, and |
disassemble the FRONT from |
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UPPER at the |
2 point. |
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the FOLDER. |
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1)Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage!
2)Be careful not to damage CON TO CON FPCB!
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1) By using an assembly stick, disassemble |
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1) Disassemble the MOTOR, SPEAKER & CAMERA |
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FOLDER UPPER from FOLDER LOWER |
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from the FOLDER LOWER by using a pincette. |
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(Use disassemble hole) |
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1)Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage!
2)Be careful not to damage F-PCBs and Wire.
5-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Exploded View/Disassembly&Assembly Instructions
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1) Detatch insulation tapes of the connectors. |
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1) Disassemble the LCD module from the |
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2) Disassemble the LCD F-PCB and CAMERA |
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FOLDER LOWER. |
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module from the LCD module. |
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1) |
Be |
careful |
not |
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make scratch and molding damage. |
1) |
Be |
careful |
not |
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make scratch and molding damage! |
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Be |
careful |
not |
to |
damage F-PCBs. |
2) |
Be |
careful |
not |
to |
damage the LCD module. |
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5-6
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Exploded View/Disassembly&Assembly Instructions |
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5-3-2. Assembly |
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1) Insert the LCD & CAMERA F-PCB |
to LCD module. |
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1) Insert the LCD F-PCB into the FOLDER LOWER. |
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2) Attach the insulation tape on the connectors. |
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1)Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage!
2)Be careful not to damage the LCD F-PCB.
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1) Insert the SPEAKER into FOLDER LOWER. |
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1) Insert the CAMERA module into the FOLDER LOWER. |
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2) Twist MOTOR wire third times and insert into |
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the FOLDER LOWER. |
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1) |
Be careful not to make scratch |
and molding damage! |
1) |
Be |
careful |
not |
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make scratch and molding damage! |
2) |
Arrange Wires clearly as above |
picture is shown. |
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Be |
careful |
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damage the CAMERA F-PCB. |
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5-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Exploded View/Disassembly&Assembly Instructions
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5 |
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6 |
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1) |
Screw up |
the FOLDER LOWER at two point. |
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2) |
Attach screw rubber caps on the screws |
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1) Assemble FOLDER UPPER with |
FOLDER LOWER from |
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by using |
a pincette. |
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the upper end to the lower |
end. |
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1) Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage! Use 1.1 ± 0.1 Kgf·Cm
71) Insert LCD FPCB(which is connected to
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folder)into the bottom of FRONT HINGE. |
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8 |
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1) |
Attach the dust protection tape on |
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2) |
The folder HINGE sould be inserted into |
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the inside of the FRONT. |
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the front's hole. |
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3) |
Assemble FOLDER with FRONT. |
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1) Be careful not to make scratch and molding damage.
1) Be careful not to make scratch and molding damage.
2) Be careful not to damage LCD F-PCB.
5-8
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Exploded View/Disassembly&Assembly Instructions
|
9 |
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1) Put the PBA on the FRONT ASS'Y. |
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10 |
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2) |
Joint CON to CON FPCB with the PBA. |
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1) Insert the KEYPAD into FRONT. |
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3) |
Attach the Volume key F-PCB to the FRONT. |
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4) |
Put the MIC on the FRONT MIC HOLE. |
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1)Be careful not to make scratch and molding damage! 1) Be careful not to make scratch and molding damage!
2)Be careful not to unstably connect CON TO CON.
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1) |
Locate VOLUME KEY and assemble REAR with |
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11 |
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12 |
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FRONT. |
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2) |
Assembly the upper side of the REAR like |
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1) Screw the REAR at 4 point |
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the picture. |
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1) |
Be |
careful |
not |
to |
make scratch and molding damage! 1) |
Be |
careful |
not to |
make |
scratch and molding damage! |
|
2) |
Be |
careful |
not |
to |
2) |
Be |
careful |
not |
to |
damage LOCKER. |
|
damage LOCKER. |
|
|
|
|
|
|
|||||
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|
|
|
|
3) |
Use 1.3 ± |
0.1 |
Kgf·Cm |
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||
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5-9
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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