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BLU Model: Grand X LTE

GRAND X LTE

SERVICE MANUAL 

All manuals and user guides at all-guides.com

Summary of Contents for Grand X LTE

Page 1: ...BLU Model Grand X LTE GRAND X LTE SERVICE MANUAL All manuals and user guides at all guides com...

Page 2: ...BLU Model Grand X LTE Disassembly 1 Take out SIM card tray unscrew 2 bottom screws 2 Take apart the front and back cover All manuals and user guides at all guides com...

Page 3: ...BLU Model Grand X LTE 3 Take out battery 4 Take out PCBA and sub board screws 5 Open volume key FPC TP and open coaxial cable connector All manuals and user guides at all guides com...

Page 4: ...BLU Model Grand X LTE 6 Turn PCBA open FPC connector LCD FPC connector 7 Take out PCBA All manuals and user guides at all guides com...

Page 5: ...Take front and rear camera out of PCBA 9 Take out motor open coaxial cable connector take out the module 10 Take apart Power key FPC Volume Key FPC receiver light sensor cover All manuals and user gu...

Page 6: ...BLU Model Grand X LTE 11 Heat and take apart TP 12 Take out LCD All manuals and user guides at all guides com...

Page 7: ...BLU Model Grand X LTE Assembly 1 Put LCD into front housing module 2 Stick TP to LCD front housing module All manuals and user guides at all guides com...

Page 8: ...Model Grand X LTE 3 Install receiver power key FPC volume key FPC light sensor cover 4 Install front and rear camera to the PCBA 5 Install main FPC LCD FPC All manuals and user guides at all guides c...

Page 9: ...BLU Model Grand X LTE 6 Install PCBA put in screws 7 Install volume FPC install TP connector and coaxial cable connector 8 Install MIC and Motor All manuals and user guides at all guides com...

Page 10: ...BLU Model Grand X LTE 9 Install sub board to housing install main FPC motor and coaxial cable 10 Put on sub board screws 11 Put in battery All manuals and user guides at all guides com...

Page 11: ...BLU Model Grand X LTE 12 Put on battery cover 13 Put in bottom screws and SIM card tray All manuals and user guides at all guides com...

Page 12: ...Chapter 1 EXPLODED VIEW AND COMPONENT DISPOSAL EXPLODED 1 2 All manuals and user guides at all guides com...

Page 13: ...DISASSEMBLY AND ASSEMBLY SERVICE TOOLS 1 3 All manuals and user guides at all guides com...

Page 14: ...Solder wire soldering paste Wrist grounding strap Antistatic gloves Metal tweezers Screw driver SRT 6 Plates 1 4 All manuals and user guides at all guides com...

Page 15: ...Chapter 2 SYSTEM BLOCK DIAGRAM All manuals and user guides at all guides com...

Page 16: ...Chapter 3 INSTRUCTION OF THE UNIT CIRCUIT Circuit instruction of CPU 1 10 All manuals and user guides at all guides com...

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Page 23: ...CPU input of the keypad 17 All manuals and user guides at all guides com...

Page 24: ...The joint circuit of SIM1 SIM2 T FLASH 18 All manuals and user guides at all guides com...

Page 25: ...EMMC MCP 19 All manuals and user guides at all guides com...

Page 26: ...Bluetooth WIFI GPS FM 20 All manuals and user guides at all guides com...

Page 27: ...MT6328 CPU power supply port 21 All manuals and user guides at all guides com...

Page 28: ...Battery connector 22 All manuals and user guides at all guides com...

Page 29: ...Charger Circuit 23 All manuals and user guides at all guides com...

Page 30: ...I O connector RF PA 24 All manuals and user guides at all guides com...

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Page 36: ...LCD INTERFACE LCD BACKLIGHT 30 All manuals and user guides at all guides com...

Page 37: ...CAMERA INTERFACE 31 All manuals and user guides at all guides com...

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Page 39: ...33 Flash LED All manuals and user guides at all guides com...

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Page 42: ...Chapter4 PCB Layout chart PCB layout SIDE A 36 All manuals and user guides at all guides com...

Page 43: ...PCB layout SIDE B 37 All manuals and user guides at all guides com...

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Page 45: ...Chapter5 TROUBLE SHOOTING Test flow chart of test SIM card 39 All manuals and user guides at all guides com...

Page 46: ...Test flowchart of can not power on main 40 All manuals and user guides at all guides com...

Page 47: ...The test flowchart of head phone 41 All manuals and user guides at all guides com...

Page 48: ...Test flowchart of no display or display abnormally 42 All manuals and user guides at all guides com...

Page 49: ...The test flowchart of download failed 43 All manuals and user guides at all guides com...

Page 50: ...ey press relevant keys appear in the screen 1 2 3 4 5 Libration The cellphone will librate Lond SPK there will be a sound from the speaker Ring press start there will be some music from the speaker LE...

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