Blu STUDIO 5.0 HD LTE Скачать руководство пользователя страница 5 | Manualshive

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CHAPTER 3 DISASSEMBLY AND ASSEMBLY

3.1 DISASSEMBLY

Remove the battery cover……... 1

Unfasten the 10 screws…………………

2

Remove the TP connector……….4

………4

Take out the camera…………...………..5

Prize up the back cover…….………..………..3

Remove the FPC connector………..…...………….……... 6

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Содержание STUDIO 5.0 HD LTE

Страница 1: ...1 43 BLU STUDIO 5 0 HD Service Manual...

Страница 2: ...list Ensure all components modules screws and insulators are correctly re fitted after servicing and alignment Ensure all cables and wires are repositioned correctly Electrostatic discharge can easil...

Страница 3: ...3mm Bluetooth Support BT 4 0 Wi Fi 802 11b 802 11g 802 11n Lithium Battery 2000mAh Battery USB Micro USB 2 0 S5501 Main Function Full Touch Smartphone Android 4 2 CPU MT 6582 1 3G Quad core 5 HD 1280...

Страница 4: ...ERVICE TOOLS Voltage regulator Multimeter Iron Hot air gun Solder wire soldering paste Computer and software download cable Metal tweezers Screw driver etc Pick Driver Tweezers Wrist groun ding Antist...

Страница 5: ...CHAPTER 3 DISASSEMBLY AND ASSEMBLY 3 1 DISASSEMBLY Remove the battery cover 1 Unfasten the 10 screws 2 Remove the TP connector 4 4 Take out the camera 5 Prize up the back cover 3 Remove the FPC connec...

Страница 6: ...6 43 Unfasten the screws 7 Remove the FR coaxial line connector 8 Remove the FPC connector 10 Remove the LED FPC 11 Remove the speaker 12 Remove the antenna PCBA 9...

Страница 7: ...7 43 Remove the speaker PCBA 13 Remove the vibrator 14 Use haet gun to heat aound the TP 200 C 15 Remove the TP 16 stick the protection film onto LCD 17 Stick the protection film onto TP 18...

Страница 8: ...8 43 Finished Remove the LCD 19...

Страница 9: ...9 43 3 2 ASSEMBLY Install the TP 4 Remove the protection film 3 Install the LCD 1 Remove the protection film 2 Install the speaker PCBA 5 Solder the LED FPC 6...

Страница 10: ...10 43 Install the PCBA 11 Fasten the screws 12 Install the RF coaxial line 10 Install the antenna PCBA 9 Install the FPC 7 Install the vibrator 8...

Страница 11: ...11 43 Finished Install the TP connector 13 Install the camera 14 Install the FPC connector 15 Install the RF coaxial line 16 Install the speaker 17 Solder the back cover 18...

Страница 12: ...12 43 Finished Fasten the 10 screws 19 Install the battery cover 20...

Страница 13: ...ty U401 Power IC Buy by damaged Cannot power on No charge in Speaker no sound U701 BT WIFI FM GPS IC Buy by damaged BT WIFI FM GPS Not work J1202 Battery connector Bug by damaged Not power on Not char...

Страница 14: ...J1204 J1205 SIM Connector Bug by damaged Can t Access SIM card J802 TP Connector Bug by damaged TP not work J801 LCD Connector Bug by damaged LCD No display or display abnormality J903 Camera connect...

Страница 15: ...15 43 Side A layout Side B layout...

Страница 16: ...rates advanced features e g HSPA R8 modem Quad core ARM Cortex A7 MPCore TM operating at 1 2 GHz 3D graphics Open GLJES 2 O 8M camera ISP LPDDR2 3 533 MHz and high Definition 1080p video decoder MT658...

Страница 17: ...17 43 5 2 Baseband CPU circuit introduction for power supply CPU power supply part...

Страница 18: ...18 43 5 3 Introduction for baseband chip CPU signal output part circuit...

Страница 19: ...rovides the best and most convenient Connectivity functions MT6627 implements advanced and sophisticated Radio antenna for Bluetooth and WLAN 5GHz for WLAN and 1 575GHz for GPS Enhanced overall qualit...

Страница 20: ...20 43 5 5 Power management IC MT6323 General Descriptions MT6323 is a fully integrated PMIC target for smart phone power provider See Figure 3 1 the block diagram for the whole picture of MT6323 PMIC...

Страница 21: ...coverage into a single compact package Because of high efficiencies stained throughout the entire power range the SKY7776X delivers unsurpassed talk time advantages The SKY7776X meets the stringent sp...

Страница 22: ...22 43 SKY7775XX POWER AMPLIFIER MODULE FOR CDMA WCDMA HSDPA HSUPA HSPA LTE DAND...

Страница 23: ...replace system clock 26MHz 32 768KHz Cannot power on Check the power manage supply output VIO 18 DVDD 2 8V VIO 28 VTCXO 2 8V VEMC 3 3V VRTC 1 2V Replace U101 MT6582 Upgrade the software Check and repl...

Страница 24: ...24 43 MT6323 power manage supply output...

Страница 25: ...place RF IC BT IC WiFi IC FM IC CPU END Check and replace RF PA Audio PA PM IC Check if the capacitance varistor LDO tube leakage Use the touch method to check and replace the heat spare parts Make th...

Страница 26: ...ttery connector and battery touch point if is dropped or dirty Check the keypad if stuck or touch panel do not work to make the phone dead Check the CPU if is rosin joint or damage Check the flash if...

Страница 27: ...r power on Check LCD connector is OK or not Change LCD connector can settle the defect issue Change or re weld CPU MT6582 Check LCD if damage or liquid flow out Change LCD Yes Clean or re weld the LCD...

Страница 28: ...SIM Clean or replace SIM connector Clean or re weld the SIM connector Check SIM connector is OK or not Re weld or replace CPU MT6582 OK Check if all the SIM pins are clean NO Check FPC on SIM connect...

Страница 29: ...29 43 SIM CIRCUIT SIM1 SIM2 From power IC From power IC From power IC From power IC Power IC SIMLVS...

Страница 30: ...Put a false antenna at RF PA IC to see if there s any signal Replace RF coaxial line Make a false antenna at RF filter check if there s any signal Saw filter is damaged replace it Replace 26M oscillat...

Страница 31: ...31 43 RF Circuit RF PA Circuit 2G TX 3G TX RX 2G RX Antenna 3G TX To RF switch 3G TX from RF IC power detector 3G PA SKY775XX 2G PA SKY77590...

Страница 32: ...speaker measure the wave signal by oscillograph No sound or noise Remove the speaker and measure with multimeter to see if there s any sound Replace speaker The phone is in Silent mode Check and repl...

Страница 33: ...33 43 Speaker circuit To speaker From power IC Audio detector Audio PA IC...

Страница 34: ...scillograph under calling mode Receiver is low Check if receiver connector is Resolder or clean the receiver connector Replace CPU U101 MT6582 Check if the receiver is broken or damaged Yes NO YES Rep...

Страница 35: ...35 43 Receiver circuit From power IC Receiver Main related component BBIC U101 power IC U401 receiver...

Страница 36: ...the MIC cover Press power on and side button to test mode and activate echo loop measure MIC voltage is 1 5V 0 7V Replace the MIC Replace FPC to check if the problem is solved Replace the FPC Measure...

Страница 37: ...37 43 Microphone circuit Main related component BBIC U101 power IC U401 microphone To microphone From power IC...

Страница 38: ...is ok or not No charge DOES NOT CHARGE NO CHARGE IN NO NO NO NO NO NO Change battery Check if I O connector works normal Check and replace FPC is ok or not NO Replace or re solder power IC Replace or...

Страница 39: ...39 43 Main related component BBIC U101 power IC U401 charge IC U402 I O connector J1203 Charge circuit From I O connector To battery connector Charge detector Charge IC...

Страница 40: ...h slot pin 4 VMC was 2 8V Re solder or replace Power IC NO Check if the voltage of T Flash pin3 pin5 pin7 to the ground was around 0 7V with multimeter diode column Measure if there is pin short for t...

Страница 41: ...41 43 Main related component BBIC U101 T Flash connector J1203 T Flash connector circuit From BBIC T Flash connector...

Страница 42: ...ction is OK or not Software update Check 4 in 1 IC 29 33 36 40 pin have 1 8V 3 3BVsupply voltage or not Check power IC have VBATT V supply voltage or not Replace U701 Check U701 10pin have 32KHZ clock...

Страница 43: ...circuit Main related component BBIC U101 power IC U401 4 in 1 IC U701 antenna GPS ANT WIFI BT WIFI BT control line From BBIC WIFI BT IQ RX TX From BBIC GPS IQ RX From BBIC FM ANT From Earphone connect...

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