Blu Studio Mega Service Manual Download | Manualshive

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9.2 Mobile fault analysis

Any question

Start

Check if fault

is OK

YES

OVER

No

Upgrade to

latest software

Or Restore

factory setting

No

Check if

assembly

disassembly is

OK

YES

OVER

Check if the

corresponding

fault circuit is

ok

Seek help

No

Function test

Replace Main PCBA

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Summary of Contents for Studio Mega

Page 1: ...No 20160406 Studio Mega Service Manual ...

Page 2: ...hart 4 Repair tool 12 Chart 5 Disassembling procedure and Assembling procedure 13 23 5 1 Disassembling procedure 5 2 Disassemble loss material 5 3 Assembling procedure Chart 6 Soldering components for repair 22 24 6 1 Component layout 6 2 Partlist Chart 7 Mobile fault analysis 25 30 Chart 8 Main board 31 33 Chart 9 Mobile working principle and Fault analysis 34 46 9 1 Mobile work principle 9 2 Mob...

Page 3: ...manual provides the technical information to support the service activity of this products This document contains highly confidential information so any or all of this document should not be revealed to any third party 1 1 Product view ...

Page 4: ... 1 5GHz Quad core Memory type EMMC LPDDR3 ROM 8GB RAM 1GB OS Android 7 0 Display size 5 0 Material TFT resolution HD Front Camera 5 0M Primary Camera 8 0M SIM Card 1 2 System FDD LTE WCDMA GSM GPRS EDGE GPS Yes Blue tooth Yes Wifi Yes FM Yes Battery 2500mAh USB 5pin micro USB USB 2 0 ...

Page 5: ...Chart 3 Explode view and Part list 3 1 Explode view ...

Page 6: ...M5610200696LA M5310000493LA M5340000142LA M5340000144LA M4390810028LA 1 3 C Cover ASSY M5610300861LA 1 4 Front camera M4610000494LA 1 5 Receiver M5010000100LA 1 6 Battery M2330000601LA 1 7 Motor M4810000060LA 1 8 Main PCBA M6810501764LA 1 9 8M_Camera M4610000495LA 1 10 speaker M4910000197LA 1 11 Mic M4710000090LA 1 ...

Page 7: ... Hot Air Gun Hot Air Gun Soldering Iron Tin Solder Wire ESD Glove Picture Name ESD Wrist Strap Plastic Opening Card Cotton Swabs Alcohol Card inject tool Picture Name Multimeter DC Power supply Soldering station Tweezers Screw driver ...

Page 8: ...il insert into gap between A housing and C cover and sliding along the around of phone to release hook then C cover will be removed 2 Remove Battery 1 Remove battery with tweezers 3 Remove battery and Remove 14pcs screws 1 Remove 14pcs screws with screw drivers there are two kinds of screws that have been marked 5 1 Disassembling procedure ...

Page 9: ... along the around of A cover to release hook then B cover will be removed 5 Remove Main PCBA 0 Remove 2 PCS screws 1 Disconnect the TP connector 2 Remove side key reinforcement plate 3 Remove the Motor 4 Disconnect the LCD connector 6 Remove main camera and second camera 1 Remove main camera with tweezers 2 Remove second camera with tweezers ...

Page 10: ... 1 Remove side key with Hot Air Gun 2 Remove Motor line with Hot Air Gun 8 Remove PCBA Conductive Foam 1 Remove PCBA Conductive Foam with tweezers 9 Remove TP IC Conductive Fabric and Receiver 1 Remove the TP IC Conductive Fabric with tweezers 2 Remove the Receiver with tweezers ...

Page 11: ...emove SUB PCBA Speaker and Microphone 1 Remove SUB PCBA with tweezers 2 Remove Speaker with Hot Air Gun 3 Remove Microphone with Hot Air Gun 11 S6061C_S4 disassembling procedure have been completed S6061C_S4 disassembling procedure have been completed ...

Page 12: ...5 2 Disassemble loss material NO Name QTY 1 S6061B_S4_PCBA shielding_foam M6320000346LA 1 2 S6061B_S4_TP IC_conductive fabric M6360000366LA 1 3 S6061B_S4_PCBA shielding_spoge_1 M6330000291LA 1 ...

Page 13: ...l 3 complete as left second picture 2 Assemble TP_IC Conductive Fabric Receiver 1 Assemble TP_IC conductive Fabric into the A shell 2 Assemble Receiver into the A shell 3 Assemble Conductive foam side key component Motor 1 Assemble side key component into the PCBA 2 Assemble conductive foam 3 Assemble motor into the PCBA 5 3 Assembling procedure ...

Page 14: ...er axis into the PCBA 3 Assemble LCD line into the PCBA 5 Assemble PCBA into A shell 0 Assemble main PCBA into the A shell 1 Assemble TP line into the PCBA 2 Assemble Motor into the A shell 3 Assemble side key into the A shell 6 Assemble Back camera 2pcs screws 1 Assemble Back camera into the PCBA 2 Assemble 2PCS screws into the PCBA ...

Page 15: ...onto the A shell 2 Assemble MIC into the A shell 3 Assemble LCD_FPC into locker mechanism completely as left picture shown 4 Assemble Speaker line into the A shell 8 Assemble 5pcs Pogo pin B shell 1 Assemble 4PCS Pogo pin into the B shell 9 Assemble B shell component 1 Assemble B shell component ...

Page 16: ...ure Operation and note 10 Assemble B shell component 1 Remove 14pcs screws with screw drivers there are two kinds of screws that have been marked 11 Assemble Battery 1 Assemble Battery into the A shell 12 Assemble completely ...

Page 17: ...Chart 6 Soldering components repair Main PWB 6 1 Component layout Side key connector ...

Page 18: ...Chart 6 Soldering components repair 6 1 Component layout SUB PWB ...

Page 19: ...00103LA 1 5 Main camera connector BTB_Conentor J1000 M4311100535LA 1 6 Front camera connector ZIF Conentor J1001 M4313010047LA 1 7 LCD connector and TP connector J801 M4313010046LA 1 8 Battery connector J0602 M4311100491LA 1 9 USB_Connector J0600 M4315010057LA 1 10 CTP Connector J800 M4311100406LA 1 11 SUB PCB ZIF Connector J0101 M4313010044LA 1 12 Motor M4810000060LA 1 13 MIC M4710000090LA 1 14 S...

Page 20: ...ore factory setting YES OVER Check if assembly disassembly is OK No YES OVER Seek help No Start YES No power check battery connector No Check if it has power or Upgrade to latest software Yes Check if power key is ok No Replace side key Replace Main PCBA Doesn t switch on ...

Page 21: ...nector opened reconnect it If line is damaged or circuit has opening replace a new one Replace Main PCBA No No signal No Display or Display issue Start Check if it is power issue YES Go to power issue No 1 Check software version 2 LCD defective No YES Update software or change A cover Assy Replace Main PCBA Check if LCD Connector is damaged YES Change LCD Connector No ...

Page 22: ...tware or reset to factory Main camera doesn t work or front camera doesn t work Main camera doesn t work Update software or reset to factory YES Over No Check if the camera is ok No Check if Connector has no damage YES Replace a new one YES Change the connector Replace Main PCBA No No No Check if the camera is ok No Check Front camera FPC Soldering YES Replace a new one YES Resolder Replace Main P...

Page 23: ... version And update new software No Check Sidekey FPC soldering YES OVER YES Soldering repair Replace Main PCBA No Not recognize SIM card Start Update new software or Reset to factory No Check if the SIM card connector is damaged YES OVER YES Change SIM card connector No Replace Main PCBA ...

Page 24: ... No Check antenna and its contact YES OVER Replace Main PCBA YES Change Antenna of contactor No GPS BT Wi_Fi issue No ringtone Start Update new software or Reset to factory No Check if Speaker is ok YES OVER Replace Main PCBA YES Change speaker No ...

Page 25: ...Outgoing audio issue Start Update new software or Reset to factory No Check if MIC is ok YES OVER Replace Main PCBA YES Change MIC No Check soldering problem YES Resolder ...

Page 26: ...Chart 8 Main boards layout TOP ...

Page 27: ...Bottom ...

Page 28: ...A X1201 1 3 CPU M1110011226LA U1301 1 4 eMMC LPDDR3 M1115100234LA U0501 1 5 3G RF_PA M1152014268LA U1405 1 6 2G RF_PA M1152014192LA U1401 1 7 Backlight IC M1150020078LA U800 1 8 Audio_PA M1152012055LA U0701 1 9 IC Proximity Sensor M1162010026LA U900 1 10 Acceleration_Sensor M1142060047LA U1002 1 8 2 Part list ...

Page 29: ...working principle and Fault analysis 9 1 Mobile work principle PMU MT6350 32k Vibrator Headset Receiver MIC Speaker CPU MT6580 EMMC SD card BT FM GPS WLAN LCD TP Camera SIM1 SIM2 Keypad Debug port Battery USB FEM 26M ...

Page 30: ...ion Start Check if fault is OK YES OVER No Upgrade to latest software Or Restore factory setting No Check if assembly disassembly is OK YES OVER Check if the corresponding fault circuit is ok Seek help No Function test Replace Main PCBA ...

Page 31: ...de to latest software Test if power on current is abnormal YES If the current is higher than normal check for hotter components then replace them Yes Check if the power key is ok No OVER Check the PS voltage Yes Replace U201 Test U1301 s 26M signal Yes Replace U1301 No Replace Main PCBA No ...

Page 32: ...it is a power issue YES Go to power issue No 1 Check software version 2 Exclude LCD issue No Check Connector J801 YES OVER YES Change J801 Check if signal LEDA LEDK is normal YES Change U800 No Check U1301 YES Change U1301 Replace Main PCBA No ...

Page 33: ... TP is damaged YES Replace TP No Check software version And update new software No Check Connector J800 has no damage YES OVER YES Change J800 Check VIO18 VGP1 YES Change U201 No Check U1301 YES Change U1301 Replace Main PCBA ...

Page 34: ...set to factory YES Over No Check if the camera is ok No Check if the Connector has no damage YES Replace a new one YES Change the connector Check if Power AVDD DVDD is abnormal YES Change U201 No Replace Main PCBA Check U1301 YES Change U1301 ...

Page 35: ... damaged YES Replace Keypad No Check software version And update new software No Check Connector soldering of sidekey FPC YES OVER YES Soldering repair Check T1100 1 2 YES Change abmoral one No Check U1301 YES Change U1301 Replace Main PCBA ...

Page 36: ...rt Update new software or Reset to factory No Check if SIM connector is damaged YES OVER YES Change the SIM connector No Check if power voltage is ok YES Change U201 Check if SIO SCLK SRST is ok YES Change U100 Replace Main PCBA ...

Page 37: ...WIFI GPS FM failure Start Update new software or Reset to factory No Check antenna and its contact YES OVER Check U1301 YES Change U1301 Replace Main PCBA YES Change Antenna No No ...

Page 38: ...No ringtone Start Update new software or Reset to factory No Check if Speaker is ok YES OVER Replace Main PCBA YES Change speaker No CheckU201 YES Change U201 No No ...

Page 39: ...set to factory No YES OVER Check if the power supply voltage is ok YES Change U201 No Replace Main PCBA Test U904 s SCL2 and SDA2 resistance value is normal YES Replace U904 Test U1301 s SCL2 and SDA2 resistance value is normal YES Re solder U1301 No No ...

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