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HW Repair Guide SM-G7102 ( Galaxy Grand 2) SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Samsung reserves the right to make changes to this document and the product described herein, at anytime, with out obligation on Samsung to provide notification of such change.
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Introduction of GRAND2 3G (1/3) Specification Item Specification One chip solution MSM8226 A7 Cortex Quad Core @ 1.2GHz Android 4.3 (Jelly Bean MR2) 8GB (eMMC) + 1.5GB (LPDDR2, POP) Memory 5.25” HD (TFT) Display 8M AF + LED Flash, 1.9M FF Camera Sensor Proximity, Light, Accelerometer, Hall Sensor...
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Introduction of GRAND2 3G (2/3) Features Optimal Wide View Smart Service for Smart Life • Satisfying Viewing Experience • Entertaining and Fun • Maximize Every Inch • Refined Usability 1. Optimized for Media playing 1. Premium Experience 16:9 HD display ...
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Introduction of GRAND2 3G (3/3) Galaxy Grand Category Galaxy Grand2 5.01” TFT 5.25” TFT Lager and High Resolution Display WVGA (800 x 480) HD (1280 x 720) 8M w/LED, BIS, Camera 8M w/LED Zero Shutter Lag Qualcomm Broadcom Capri Application Processor MSM8226 ARM Coretex-A9 ARM Coretex-A7...
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RF calibration (1/2) ★ For GRAND2(SM-G7102), new IF cable should be used for IMEI writing and Calibration. (Detailed information : Refer SVC Bulletin (12-37) New IF Cable Guide.) 1. Run Baroserver program. - Extract “BaroServer_Ver_1.0.6.zip” and Run “setup.exe” - Click Next to install the program. Run BaroServer Launcher at the desktop. - Enter ‘Assistant Server IP’, same as ‘Host Server IP’.
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RF calibration (2/2) 2. Run Calibration program Category Filename Remark Launcher DASEUL_Launcher_v3.0.20.exe DASEUL_CAL_ALL_Runtime_3.1.93.0_r00061.CAB Folder Name : SM-G7102 Runtime file or later version (under Launcher folder) SM-G7102_COMMON(CSC)_IMEI_Ver_3.1.92.0.CAB or Folder Name : SM-G7102 Model File later version (under Launcher folder) SWA-CS Content Innovation Service Excellence Beyond Imagination...
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IMEI Writing (1/4) ★ For GRAND2 3G(SM-G7102), new IF cable should be used for IMEI writing and Calibration. (Detailed information : Refer SVC Bulletin (12-37) New IF Cable Guide.) 1) Run Daseul Program for IMEI Writing Category Filename DASEUL_SVC_ Launcher Launcher_v3.0.20.exe Runtime DASEUL_IMEI_ALL_Runtime_...
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IMEI Writing (2/4) 2) Select MODE as ‘Service’, Model folder as ‘SM-G7102’,check IMEI option and click System Setting button. 3) Check ‘IMEI Write’ and ‘IMEI Check’ option, and click ‘IMEI SVC & Repair Option’ to check ‘SVC’ option. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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IMEI Writing (3/4) 4) Click ‘Hardware Config’ option. 5) Click ‘Port Setting’ in the phone option, and select correct port for IMEI writing. 6) Click Save and OK to enter IMEI writing program. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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IMEI Writing (4/4) 7) Enter IMEI number and click ‘Apply’ button. 8) Click ‘Model Info’ button and input ‘SKU_CODE’ and ‘BUYER’,then click Save. ※ SKU_CODE can be found in HHPsvc > ESN/IMEI Review 9) Click ‘Start’ button and Input ‘User ID’ and ‘Password’. 10) Click ‘Login’...
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Boot Recovery (1/6) Brief Process Preparing SD card, using working GRNAD2 3G (Samsung Method) Inserting the SD Card to “eDL mode "phone for recovering. Downloading the boot loader file to the defective phone, and Flash Full S/W ( Pit, BL,AP, CP, CSC)
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Boot Recovery (2/6) EDL mode verification Device not booting up Confirming a device is in Emergency Download mode (eDL mode). 1) Attach the faulty device to Windows PC 2) Go to Device Manager 3) You should able to see below item in Ports. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Boot Recovery (3/6) Insert External SD Card to normal phone to copy Boot loader to SD card Go to download mode (Vol Dn + Home Key + Power, Vol Up) Run Odin3 v3.07.exe with options enabled as shown Click on start button to download the binary into SD Card. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Boot Recovery (4/6) Use the SD card to recover a device going to eDL mode. Plug in the SD Card on to the device which is in eDL mode. Remove the Battery and put it back. make it to download mode with Volume Down + Power key and press Home key SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Boot Recovery (5/6) Flash the Latest Pit and Boot loader on to the device ( as shown below ) SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Boot Recovery (6/6) Now remove the SD Card from Faulty device. Go to download mode (Vol Dn + Home + Power Key, Vol Up) Select all the binaries ( Pit, BL, AP, CP, CSC ) in Odin. Click on Start button to download SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Disassemble Instruction 1) Disassemble LCD connector protect cover. ※ Caution 1) Be careful of scratch and molding damage. 2) Separate the LCD connector. ※ Caution 1) Be careful of scratch and molding damage. 2) Be careful of damage to the FPCB. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Disassemble Instruction 3) Displace the temperature chamber for 10 minute Detach the TSP/LCD Assay using Vaccum jig AIR pressure 5~7 kgf/cm ※ Caution 1) Before disassembling, Use heating chamber. 2) Be careful of scratch and molding damage. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Disassemble Instruction 4) Unscrew the 10 points. ※ Caution 1) Be careful of scratch and molding damage. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Disassemble Instruction 5) Detach the PBA/Sheildcan Assay. ※ Caution 1) Be careful of damage to the EARJACK Module. 2) Be careful of damage to the CAMERA. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Disassemble Instruction 6) Disassemble the RCV, Sensor, SPK from PBA. Unscrew the 2 points. ※ Caution 1) Be careful of damage to RCV. 2) It pushes this part at disassembly, and lift it SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Disassemble Instruction 7) Separate the VGA, MEGA Camera from PBA Array. ※ Caution 1) Be careful of damage to the TSP FPCB. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Disassemble Instruction 8) Separate the Top dummy, Bottom dummy & Speaker from hook. ※ Caution 1) Be careful of scratch and molding damage. 2) Be careful of damage to the TSP & LCD. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Assemble Instruction 1) Assemble the Top dummy, Speaker on shield can. ※ Caution 1) Be careful of damage to the part. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Assemble Instruction 2) Assemble the PBA on Shieldcan. Screw the 2 points.. ※ Caution 1) Be careful of damage to the part. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Assemble Instruction 3) Assemble PBA assay to the Rear Assemble Bottom dummy on the Rear ※ Caution 1) Be careful of damage to PBA SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Assemble Instruction 4) Remove the TSP tape (in case of replacing the new TSP module) ※ Caution 1) Be careful of damage to each module. 5) Attach the TSP tape (in case of replacing the new TSP module) SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Assemble Instruction 6) Screw the 10 points of the Rear. 1.2 ± 0.1 Kgf/㎠. ※ Caution 1) Be careful of scratch and molding damage. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Assemble Instruction 7) Attach the LCD assay to the Rear Assay. 8) Assemble LCD connector. ※ Caution 1) Be careful of scratch and molding damage. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Assemble Instruction 9) Assemble LCD connector protect cover. ※ Caution 1) Be careful of scratch and molding damage. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Disassembly & Assembly Instruction Assemble Instruction 10) Press the set using pressure jig. ※ Caution 1) - Pressure : 5~6 kgf/cm2 - Press time : 9.7 sec . SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Power problem Step Check point Result value Defect point Confirm the defect symptom Solved Battery Check the power with a new battery Not solved Go to the next step High current (over than 1A) Circuit short Low current S/W download Check the PBA current with a power supply (power supply voltage : 3.8 ~ 4.0V) Normal current...
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RF (GSM,WCDMA) Step Check point Result value Defect point Confirm the defect symptom (Make a call, check the debug screen *#0011# ) Abnormal Settings Check the settings (airplane mode, Mobile networks) Normal Go to the next step Broken, dust, corrosion Main ant No insert Check the status main ANT...
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RF (GSM,WCDMA) Step2 CHECK SETTINGS CHECK SIM card & DEBUG SCREEN STATUS SOCKET STATUS Same value compared with normal device. SWA-CS Content Innovation Service Excellence Beyond Imagination...
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RF (GSM,WCDMA) Step3 Ant101 3712-001490 ANT. Contact (for main RF) Main ANTENNA Main ANTENNA contact SWA-CS Content Innovation Service Excellence Beyond Imagination...
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BT/WIFI Step Check point Result value Defect point Turned on Go to the next step Confirm the defect symptom (Check the turned on BT/WIFI & connected device) Turned off Turn on Broken, dust, corrosion Ant & ANT201 Check the BT/WIFI Ant. & Ant contact. (Rear cover Ant.
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GPS/GLONASS Step Check point Result value Defect point Turned on Go to the next step Confirm the defect symptom (Check the turned on GPS function) Turned off Turn on ANT200 Broken, dust, corrosion Check the status Antenna and GPS components. GPS component - ANT200, C226, C233, L209, F202, C234, L205 Normal...
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Speaker problem Step Check point Result value Defect point Confirm the defect symptom Solved Setting error Make a factory reset (*2767*3855#) Not solved Go to the next step Broken, dust, corrosion Speaker connector Check the speaker connector (HDC501) Normal Go to the next step Solved speaker Replace the speaker module (GH96-06683A)
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Speaker problem Step3 Step4 Ear Jack connector HDC501 SPK Module GH96-06683A Speaker connector SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Speaker problem Step7 Sound signal path C529 C530 connector U502 Audio Codec SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Display Problem Step Check point Result value Defect point Confirm the defect symptom Broken, dust, corrosion LCD connector Insert status (HDC600) Check the LCD connector Normal Go to the next step Solved Replace the LCD Not solved Go to the next step Connect a LCD and display on with a power supply (power supply voltage : 3.8V)
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Display problem Step6 Step2,3,5,7 HDC600 R602 C605 C606 C602 C607 LCD power path from PMIC LCD(include TSP) CONNECTOR Step6 SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Touch problem Step Check point Result value Defect point Confirm the defect symptom LCD connector Broken, dust, corrosion (HDC600) Check the LCD connector (HDC600) Normal Go to the next step Broken, dust, corrosion TSP connector Check the TSP connector on LCD module. Normal Go to the next step Solved...
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Touch problem Step3 Step2 TSP IC Step6,7 R601 TSP power line CONNECTOR LCD(include TSP) CONNECTOR Step6 U401 PMIC C433 TSP power line from PMIC SWA-CS Content Innovation Service Excellence Beyond Imagination...
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Receiver problem Step Check point Result value Defect point Confirm the defect symptom (*#0*# → Receiver) Solved Setting error Make a factory reset (*2767*3855#) Not solved Go to the next step Broken, dust, corrosion connector Check the receiver connector(HDC601) Normal Go to the next step Solved Receiver...
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Microphone problem Step Check point Result value Defect point Confirm the defect symptom Dust Clean the hole Check the microphone hole Normal Go to the next step Wrong insert Re-insert Check the microphone rubber Normal Go to the next step Activate the speaker path (*#0283# →...
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Microphone problem Step2,3 Microphone Microphone Rubber Holder Step6 Microphone signal path U605 Audio Codec ZD509 ZD510 SWA-CS Content Innovation Service Excellence Beyond Imagination...
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SIM card detection problem Step Check point Result value Defect point Confirm the defect symptom Broken, dust, corrosion SIM socket Check the SIM socket & Connector Normal Go to the next step Power on with a power supply (power supply voltage : 3.8V) Check the signal of R618 for SIM601(UIM1) 3V or 3V clock Go to the next step...