Blu Studio J1 Service Manual
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Blu Studio J1 Service Manual

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Studio J1 Service Manual
No.20160406

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Summary of Contents for Blu Studio J1

  • Page 1 Studio J1 Service Manual No.20160406...

  • Page 2: Table Of Contents

    Contents Chart 1 Product introduction · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·3--4 1.1 Product view 1.2 Product Feature Chart 2 Software update procedure ·...

  • Page 3: Chart 1 Product Introduction

    Chart 1.Product introduction This 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: Product Feature

    1.2 Product Feature 121.5*62.5*10.3mm Phone size MT6570T/WAZA 1.3GHz Dual core Main CPU frequency EMMC+LPDDR3 Memory type Android 6.0 3.97 size Display Material WVGA resolution 0.3M Front Camera 2.0M Primary Camera WCDMA/GSM/GPRS/EDGE SIM Card 1/2 System Blue tooth Wifi 1350mAh Battery 5pin micro USB, USB 2.0...

  • Page 5: Chart 3 Explode View And Part List

    Chart 3 Explode view and Part list 3.1 Explode view...

  • Page 6: Part List

    3.2 Part list Name A Cover ASSY B-Cover ASSY C-Cover ASSY Front camera M4610000505LA Receiver M5010000118LA Battery M2330000596LA Motor M4810000096LA Main PCBA M6810501827LA M4620000190LA 2M_Camera speaker M4910000186LA...

  • Page 7: Chart 4 Repair Tool

    Chart 4 Repair tool Picture Hot Air Gun Hot Air Gun Soldering Iron Tin Solder Wire ESD Glove Name Picture ESD Wrist Strap Plastic Opening Cotton Swabs Alcohol Card inject tool Name Card Picture Multimeter DC Power supply Soldering station Tweezers Screw driver Name...

  • Page 8: Chart 5 Disassembling Procedure And Assembling Procedure

    Chart 5 Disassembling procedure and Assembling procedure 5.1 Disassembling procedure Operation name Picture Operation and note 1.Using your fingernail insert into gap between phone and C cover ,and sliding along the around of phone to release hook, then C-cover will be Remove C cover removed.
  • Page 9 Operation name Picture Operation and note 1.Using your fingernail insert into gap between A cover and B cover ,and sliding along the Remove B cover around of A cover to release hook, then B-cover will be removed. 1:Remove 2 PCS screws 2:Remove side key reinforcement plate 3:Disconnect the TP connector Remove Main...
  • Page 10 Operation name Picture Operation and note 1:Remove TP_IC Conductive Fabric with tweezers 2:Remove Speaker Conductive Remove Speaker Fabric with tweezers Conductive Fabric, 3:Remove 2pcs Conductive Fabric Support Foam , with tweezers Insulation Mylar 4:Remove 4PCS Conductive Foam with tweezers 1:Remove TP-IC Conductive Fabric with tweezers 2:Remove Front Camera Foam with tweezers...
  • Page 11 Operation name Picture Operation and note 1：Remove the lens from the rear shell by hand Remove back camera lens X3512_disassembling procedure have been completed X3512_disassembling procedure have been completed...

  • Page 12: Disassemble Loss Material

    5.2 Disassemble loss material Name FRONT_CAMERA_FOAM M6320000323LA X3512_TPIC_CONDUCTION_FOAM M6320000336LA X3512_PCB_CONDUCTION_FOAM_1 M6320000338LA X3512_PCB_CONDUCTION_FOAM_2 M6320000339LA X3512_TPIC_CONDUCTION_FABRIC M6360000352LA X3512_SPK_CONDUCTION_FABRIC M6360000353LA X3512_TPIC_INSULATION_MYLAR M6340000616LA X3512_SHIELD_INSULATION_MYLAR M6340000626LA X3512_SIDEKEY_CONDUCTION_FABR M6360000371LA X3512_PCB_CONDUCTION_FOAM_3 M6320000351LA...

  • Page 13: Assembling Procedure

    5.3 Assembling procedure Operation name Picture Operation and note Insert the TP FPC into the A shell Assemble 2. Insert the LCD FPC into the A shell TP&LCD on A shell 3. complete as left second picture; 1：Assemble front camera seal Foam into the A shell Assemble TP_IC 2：Assemble TP_IC conductive Fabric into...
  • Page 14 NO. Operation name Picture Operation and note 1：Assemble Speaker side key conductive Fabric into the A Shell (2PCS) 2：Assemble LCD Conductive foam 1 into the PCBA(2PCS) Assemble Conductive 3：Assemble LCD Conductive foam 2 into the Fabric, Conductive Foam, PCBA(1PCS) 4：Assemble LCD Conductive foam 3 into the PCBA(1PCS) 1：Assemble main camera into the PCBA Assemble Side key...
  • Page 15 Operation name Picture Operation and note 1：Assemble Put TP_IC FPC in PCBA 2：Assemble LCD_FPC into locker Assemble PCBA mechanism completely, as left picture into A shell_ shown ：Assemble BT_WIFI_GPS antenna， main antenna into the B shell Assemble Fixed column 2： BT_WIFI_ GPS antenna，main antenna...
  • Page 16 Operation name Picture Operation and note ：Assemble SIM1 CARD SIM2 CARD Assemble SIM1 T CARD CARD SIM2 CARD T CARD ：Assemble Battery into the A shell Assemble Battery 1:Assemble back camera lens Assemble back camera lens...
  • Page 17 Operation name Picture Operation and note 1：Assemble C shell componen Assemble C shell component Assemble completely Assemble completely...

  • Page 18: Chart 6 Soldering Components For L2 Repair

    Chart 6 Soldering components for L2 repair 6.1 Component layout Main PWB-Top...
  • Page 19 Chart 6 Soldering components for L2 repair 6.1 Component layout Main PWB-Bottom...

  • Page 20: Partlist

    6.2 Part list Name Location Touch Shrapnel for BT/WLAN/GPS A1200 A1201 M5311000122LA A1202 A1203 A1204 Earphone socket J0801 M4390310138LA Micro SIM card Connector J1201 J1203 M4211000198LA TF Card connector J1202 M4212000072LA Main camera connector（BTB_Connector ） J1001 M4313010047LA LCD connector and TP connector J0901 M4313010047LA Battery connector...

  • Page 21: Chart 7 Mobile Fault Analysis For L2

    Chart 7 Mobile fault analysis for L2 Any question Check Upgrade to assembly Start latest software Seek help disassemble is Or Restore OK or Bad factory setting OVER OVER Doesn’t switch on Check have Check Start Replace Main PCBA power or power key Upgrade to latest is ok?
  • Page 22 No signal Start Upgrade to latest Check the main Replace Main PCBA Check coaxial line software antenna and Antenna spring If unconnected, If line connector damaged, replace a opened, reconnect OVER new one it. If line damaged or circuit opening, replace a new one.
  • Page 23 TP issue Check Start Check TP is Check software version? Replace Main PCBA Connector J0900 And update new software damaged or no damage Replace A- Change J0900 OVER No photograph Cover Assy Over Update software or Check Front Replace Main PCBA Check the camera is resetting factory camera FPC...
  • Page 24 Keypad issue Check Start Check software version? Check Key pad is Sidekey fpc Replace Main PCBA And update new software damaged or not soldering problem Replace Keypad OVER Soldering repair Not recognize SIM card Check SIM card Start Update new software or Replace Main PCBA connector whether Resetting factory...
  • Page 25 GPS/BT/Wi_Fi issue Check antenna and its Start Update new software or Replace Main PCBA contactor Resetting factory Change Antenna of contactor OVER No ringtone Check Speaker is ok or Start Update new software or Replace Main PCBA not? Resetting factory Change speaker OVER...
  • Page 26 Outgoing audio issue Check MIC is ok or not? Check soldering Start Update new software or problem Resetting factory Resolder Change MIC OVER Replace Main PCBA...

  • Page 27: Chart 8 Main Board

    Chart 8 Main boards layout...
  • Page 28 Bottom...
  • Page 29 8.2 Part list Name Code Location Power_Management_IC M1110013030LA U0401 Crystal_Oscillator,26MHz X1501 M2211602658LA M1110011280LA U1001 eMMC+LPDDR3 U0601 M1115100254LA 3G RF_PA U1402 M1152060039LA 2G RF_PA U1401 M1152014287LA RF_PA M1154011107LA U1303 Backlight IC M1150020078LA U0900 Acceleration_Sensor U1100 M1142060076LA...

  • Page 30: L4 Chart 9 Mobile Working Principle And Fault Analysis

    Chart 9 Mobile working principle and Fault analysis 9.1 Mobile work principle...
  • Page 31 9.2 Mobile fault analysis Any question Upgrade to Check latest software Start Check fault assembly Or Restore is OK or Bad? disassemble is factory setting OK or Bad OVER OVER Check the corresponding Seek help fault circuit is ok or bad Function test Replace Main PCBA...
  • Page 32 Doesn’t switch on Check have Check Check Test power-on Start power or the power power key currency if Upgrade to latest is ok? sequence abnormal? software If the currency is higher than OVER OVER normal, check the hotter components, then replace it. Test U1001 ‘s Check the supply Check U0501...
  • Page 33 No Display &Display failure Check Start Check if it is 1.Check software version? Connector J0801 power issue 2.Exclude LCD issue no damage Go to power OVER Change J0801 issue Check signal Replace Main PCBA Check U0401 LEDA/LEDK if unnormal Change U0900 Change U0401...
  • Page 34 TP issue Check Start Check software version? Check TP is Connector J0900 damaged or And update new software no damage Replace TP OVER Change J0900 Check Replace Main PCBA Check U1001 VIO18/VGP1 Change U0401 Change U1001...
  • Page 35 No photograph Check the Start Check the camera is Update software or Connector no resetting factory ok or not damage Change the Over Replace a connector new one Check Power Replace Main PCBA Check U1001 AVDD/DVDD if unnormal Change U1001 Change U0401...
  • Page 36 Keypad issue Check Start Check software version? Check Key pad is Connector And update new software damaged or not soldering of sidekey fpc Replace Keypad OVER Soldering repair Replace Main PCBA Check Check T1206/7/8 U1001&U0401 Change abmoral one Change U1001&U0401...
  • Page 37 Not recognize SIM card Check power Start Update new software or Check SIM connector voltage is not ok? Resetting factory whether damaged? Change U0401 Change the SIM OVER connector Check Replace Main PCBA SIO/SCLK/SRST is not ok? Change U1001...
  • Page 38 WIFI/GPS/FM failure Check antenna and its Start Update new software or Check U1001 contactor Resetting factory Change U1001 Change Antenna OVER Replace Main PCBA...
  • Page 39 No ringtone Start Check Speaker is ok or Update new software or not? Resetting factory Change speaker OVER Replace Main PCBA CheckU401 Change U0401...
  • Page 40 Accelerator failure Test U1100’s Start SCL2 and SDA2 Update new software or resistance value is Resetting factory normal or not? Replace U1100 OVER Check the power supply Replace Main PCBA voltage is Ok or not? Change U0401...

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