Samsung Galaxy Grand 2 Repair Manual

Samsung Galaxy Grand 2 Repair Manual

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HW Repair Guide SM-G7102
( Galaxy Grand 2)
SWA-CS Content Innovation
Service Excellence Beyond Imagination

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Summary of Contents for Samsung Galaxy Grand 2

  • Page 1 HW Repair Guide SM-G7102 ( Galaxy Grand 2) SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 2 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.
  • Page 3 Contents Introduction of GRAND2 3G Service Guide • RF calibration • IMEI writing • Boot Recovery Repair Guide • Assembly & Disassembly • Electronic Components • SMD parts • Trouble Shooting Q&A SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 4 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...
  • Page 5 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 ...
  • Page 6 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...
  • Page 7 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’.
  • Page 8 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...
  • Page 9 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_...
  • Page 10 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...
  • Page 11 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...
  • Page 12 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’...
  • Page 13 Boot Recovery Emergency download mode & Odin T-Flash mode SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 14 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)
  • Page 15 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...
  • Page 16 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...
  • Page 17 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...
  • Page 18 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...
  • Page 19 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...
  • Page 20 Disassembly & Assembly Instruction Disassembly & Assembly Instruction SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 21 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...
  • Page 22 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...
  • Page 23 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...
  • Page 24 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...
  • Page 25 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...
  • Page 26 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...
  • Page 27 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...
  • Page 28 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...
  • Page 29 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...
  • Page 30 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...
  • Page 31 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...
  • Page 32 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...
  • Page 33 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...
  • Page 34 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...
  • Page 35 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...
  • Page 36 Electronic Components Electronic Components SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 37 Electronic Components (1/2) Ear Jack SPK Module GH96-06683A SIM card socket + Micro SD card socket Shield Can (for RF performance) CAMERA GH96-06731A Front Camera Motor(for Vibration) GH96-06728A GH31-00669A SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 38 Electronic Components (2/2) LCD Connector Receiver Touch key connector Proximity Sensor Home key contact GH59-013770A SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 39 SMD parts (TOP side) HDC602 3708-003167 U502 1205-004833 Connector(8M CAM) AUDIO CODEC U608 1203-008056 TAC500,501,502 3404-001487 Backlight Driver IC Tact key U201 1205-004825 U601 1203-007869 BT/WIFI/FM Module Panel power supplier OSC200 2801-005323 UME300 1107-002283 eMMC Oscillator - 48Mhz U205 1209-002151 U402 1205-004513 Accelerometer Sensor...
  • Page 40 SMD parts (Bottom side) HDC500 3711-007478 HDC601 3711-007467 Receiver/Proxy sensor connector Connector(1.9M CAM) Ant200 3712-001490 HDC600 3711-007883 Ant. Contact (for GPS) LCD Connector U200 1201-003631 U102 1205-004829 GPS LNA(Low Noise Amp.) 2G/3G Transceiver Ant200 3712-001473 U101 1201-003701 Ant. Contact (for BT/WIFI) Band1/Band 8 PA HDC501 3711-007478...
  • Page 41 Troubleshooting Troubleshooting SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 42 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...
  • Page 43 Power problem Step 4,5,6 OSC400 C466 = 1.3V C467 = 2.1V R420 > 1.8V PMIC C425 = 4.0V Step5 batt C484 = 1.15V C485 = 1.15V SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 44 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...
  • Page 45 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...
  • Page 46 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...
  • Page 47 RF (GSM,WCDMA) Step5 F104 2910-000215 B8 DUF U101 1201-003701 Band1/Band 8 PAM U102 1205-004829 2G/3G Transceiver F102 2910-000229 U106 1201-003699 B1 DUF 2G PA/TX Module U104 1201-003702 F105 2910-000227 Band1/Band 8 PAM B1 DUF U610 2910-000205 F101 2904-002136 B2 DUF Saw Filter SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 48 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.
  • Page 49 BT/WIFI Step1 Step2 BT/ WIFI ANTENNA CONTACT BT/ WIFI ANTENNA (FPCB TYPE) SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 50 BT/WIFI Step4,5 C200=1.3V F201 ANT201 F200 C228 C238 L212 BT/ WIFI IC U201 C201=1.3V C222 = 1.8V C203=48MHz OSC200(48Mhz) SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 51 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...
  • Page 52 GPS/GLONASS Step1 SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 53 GPS/GLONASS Step2 ANTENNA contact SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 54 GPS/GLONASS Step4,5 ANT200 C226 F202 L205 U200[LNA] C245 C241 SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 55 GPS/GLONASS Step4,5,6 GPS IC(U102) C156 SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 56 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)
  • Page 57 Speaker problem Step3 Step4 Ear Jack connector HDC501 SPK Module GH96-06683A Speaker connector SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 58 Speaker problem Step7 Sound signal path C529 C530 connector U502 Audio Codec SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 59 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)
  • Page 60 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...
  • Page 61 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...
  • Page 62 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...
  • Page 63 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...
  • Page 64 Receiver problem Step3 Step7 Receiver connector U502 Audio Codec Step4 Receiver Proximity Sensor GH59-13770A SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 65 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# →...
  • Page 66 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...
  • Page 67 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...
  • Page 68 SIM card detection problem Step 2 Step4 C640 R618 SIM600 SIM601 [SIM card socket + Micro SD card socket] Step5 C636 SWA-CS Content Innovation Service Excellence Beyond Imagination...
  • Page 69 Q&A Question SWA-CS Content Innovation Service Excellence Beyond Imagination...

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Sm-g7102

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