Blu Grand Max Service Manual
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Blu Grand Max Service Manual

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BLU Model: Grand Max
Grand Max
Handset Disassembly & Assembly Manual

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Summary of Contents for Blu Grand Max

  • Page 1 BLU Model: Grand Max Grand Max Handset Disassembly & Assembly Manual...
  • Page 2 BLU Model: Grand Max Handset Disassembly 1. Disassemble upper and lower decoration pieces. 2. Unscrew the screws pointed by red arrows with a T5 screw driver...
  • Page 3 BLU Model: Grand Max 3. Take apart the back cover, and lower metal decoration piece. 4. Take out battery, unscrew red arrow pointed screw, BOX mounting screws and camera supporting screws.
  • Page 4 BLU Model: Grand Max 5. Disassemble BOX and camera supporting rack 6. Disassemble TP-FPC connector, coaxial cable PCBA connector, side key FPC connector, and LCD connector 7. Disassemble sub-board...
  • Page 5 BLU Model: Grand Max 8. Disassemble LCD-fpc connector, take out PCBA 9. Disassemble front camera, rear camera 9. Disassemble receiver...
  • Page 6 BLU Model: Grand Max 10. Heat up TP+LC, disassemble TP+LCD 11. Disassemble vibrator, coaxial cable MIC...

  • Page 7: Assembly Manual

    BLU Model: Grand Max Assembly Manual 1. Soldering vibrator, coaxial cable MIC 2. Assemble LCD and front housing 3. Assemble TP to LCD module 4. Assemble front and rear camera to PCBA...
  • Page 8 BLU Model: Grand Max 5. Assemble LCD-fpc connector, put PCBA in front housing, assemble TP-fpc connector, coaxial cable PCBA connector, side key FPC connector 6. Assemble rear camera supporting rack, PCBA supporting screw, and screw on 7. Assemble sub-board in front housing, put in coaxial cable...
  • Page 9 BLU Model: Grand Max 8. Assemble BOX, screw on BOX holding screws 9. Assemble lower metal decoration piece, screw on with T5 screwdriver...
  • Page 10 BLU Model: Grand Max 10. Put battery in 11. Assemble metal battery cover, put screws on...
  • Page 11 BLU Model: Grand Max 12. Assemble upper and lower plastic decoration pieces...

  • Page 12: Exploded View And Component Disposal

    Chapter 1 EXPLODED VIEW AND COMPONENT DISPOSAL EXPLODED...

  • Page 13: Disassembly And Assembly

    DISASSEMBLY AND ASSEMBLY SERVICE TOOLS...
  • Page 14 Solder wire, soldering paste Wrist grounding strap, Antistatic gloves Metal tweezers, Screw driver, SRT-6 Plates...

  • Page 15: System Block Diagram

    Chapter 2 SYSTEM BLOCK DIAGRAM...

  • Page 16: Instruction Of The Unit Circuit

    Chapter 3 INSTRUCTION OF THE UNIT CIRCUIT Circuit instruction of CPU...
  • Page 19 CPU—input of the keypad...
  • Page 20 The joint circuit of SIM1&SIM2&T-FLASH...
  • Page 21 EMMC-MCP...
  • Page 22 Bluetooth/WIFI/GPS/FM...
  • Page 23 MT6350 CPU power supply port...
  • Page 25 CPU voltage and current reference Battery connector...
  • Page 26 Charger Circuit...
  • Page 27 I/O connector (5PIN) RF PA...
  • Page 28 GSM RF...
  • Page 29 WCDMA RF...
  • Page 30 AUDIO...

  • Page 33: Lcd Interface

    LCD INTERFACE LCD BACKLIGHT...

  • Page 34: Camera Interface

    CAMERA INTERFACE...
  • Page 36 Flash LED...
  • Page 37 ALS&PS SENSOR...
  • Page 38 Chapter4 PCB Layout chart PCB layout SIDE A...
  • Page 39 PCB layout SIDE B...

  • Page 41: Troubleshooting

    Chapter5 Test flow chart of test SIM card TROUBLE SHOOTING...
  • Page 42 Test flowchart of can not power on (main)
  • Page 43 The test flowchart of head phone...
  • Page 44 Test flowchart of no display or display abnormally.
  • Page 45 The test flowchart of download failed...

Table of Contents