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BLU LIFE PLAY X

Service Manual

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Содержание Life Play X

Страница 1: ...1 27 BLU LIFE PLAY X Service Manual...

Страница 2: ...Part 10 2 2 BASEBAND PART 11 2 2 1 Block Diagram of the Baseband Part 11 2 2 2 Power Management Part 12 2 2 2 1 The Whole Power Supply System 12 2 2 3 Audio Part 14 2 2 3 1 Audio CODEC Circuit 14 2 2...

Страница 3: ...KMKJS000VM B309 TP IC GT915 Peripheral Configuration LCD Backlight Driver AW9910STR CAMERA OV8830 Memory Card TF Card Antenna monopole Basic Performance Indicators Leakage current 150uA Standby curre...

Страница 4: ...7 Band 1 109 5 dbm Band 8 109 5 dbm TRP EGSM 28 8dbm GSM850 27 0 dbm DCS 28 0dbm PCS 28 0dbm Band 1 20 0dbm Band 8 20 0dbm TIS EGSM 105dbm GSM850 105dbm DCS 106dbm PCS 106dbm Band 1 107dbm Band 8 107d...

Страница 5: ...5 27 System Block Diagram CPU MT6589W PMIC MT6320 BATTERY CAMERA FM BT WiFi GPS LCD 1280 720 KEYPAD T FLASH MEMORY MT6167 SKY77590 SPK HP REC DUAL SIM CARD MIC CTP...

Страница 6: ...Analysis 2 1 RF Part 2 1 1 Block Diagram of the RF Section RF Diagram GSM RF and BB interface diagram 2 1 2 Signal Flow OF the RF Transmitting Part 2 1 2 1 Receiving and Transmit Path Receiving A N T...

Страница 7: ...7 27 Transmit...

Страница 8: ...oftware Check Transceiver to see if IO signals exist Check the PA output to see if there is RF signal Y Check CPU N Check RF coaxial switch or matching network Y Check the Transceiver to see if there...

Страница 9: ...9 27 2 1 3 Signal Flow of the Receiving Part 2 1 3 1 Receiving Part Components...

Страница 10: ...ransceiver has Check CPU Y Transceiver has received signal N Transceiver CSO SCLK SDATA are correct Check CPU N Whether the voltage of the transceiver is normal Whether 26MHZ is normal Y Check the cor...

Страница 11: ...11 27 2 2 Baseband Part 2 2 1 Block Diagram of the Baseband Part CPU MT6589W PMIC MT6320 BATTRY CAMERA FM BT WiFi GPS LCD 1280 720 KEYPAD T FLASH MEMORY MT6167 SY77590 SPK HP REC DUAL SIM CARD MIC CTP...

Страница 12: ...pecial PMU IC MT6320 Support 5 ways of DC DC and 21 ways of LDO output with AB D 0 7W Audio amplifier LCD backlight driving and Lithium battery charging circuit Inside it Which support 5 LEDs in paral...

Страница 13: ...13 27 LDO...

Страница 14: ...14 27 2 2 3 Audio Part 2 2 3 1 Audio CODEC Circuit The phone uses the chip of YD168 to driving the single speaker which is a class D YAMAHA no hissing amplifier...

Страница 15: ...ly voltage is 1 8V 3 3V When MIC is in good condition but loop MIC has no echo then you need to check the basic bias voltage signal of the VMC the language signals of the RECEIVER and MIC also need to...

Страница 16: ...he headset uses contact devices the headset LOOP drive the FPC directly through J301 If the headset fitting were in good condition when the headset plug in it appears abnormal such as The Headset spea...

Страница 17: ...between the system connector and the CPU NO Connect the download cable then observe the Ammeter to see if it shows high current The normal current generally about 30mA Yes Quickly disconnect the conne...

Страница 18: ...following first Check peripheral TVS of the button to see if they are short circuit Then check the connector to see whether it is short circuit when it is welded b Failure of a single button This sit...

Страница 19: ...Q comes with FM module and transmitter function also with both analog and digital audio channels choose from The RF part supply short antenna design and long antenna design The FM interface Circle as...

Страница 20: ...elow The Camera Power Supply Circuit The VCAM_IOPMU supply 1 8V to Camera IO interface voltage VCAMA_PMU supply 2 8V analog voltage 2 2 4 5 IO Interface IO applies 5pin standard interface which realiz...

Страница 21: ...function SIM1 support GSM WCDMA Card SIM2 support only GSM Card As show below 2 2 4 7 T FLASH Card Circuit The T FLASH Card Circle support data exchange between Phone and PC The Circuit have four ser...

Страница 22: ...22 27 2 2 4 8 BT Circuit The Bluetooth function is one part of the MT6628Q The BT Circuit include baseband RF unit UART2 unit PCM interface system configuration and also...

Страница 23: ...unit power SDIO interface system configuration It supports dual band 2 4G and 5G following 802 11d h k agreement supports safety format is WFA WPA WPA2 WPS2 0 WAPI The WIFI S RF interface is connecte...

Страница 24: ...cted with external antenna The ANT is receiving GPS satellite signal to achieve positioning GPS and BT share the same ANT We switch GPS signal by the switch U1505 then through a narrowband filter U160...

Страница 25: ...n order to transmit directives and data 2 2 4 13 IR sensor Circuit IR SENSOR is light distance sensor It induces current phone the environment in which of the brightness and Perceived distance of the...

Страница 26: ...26 27 3 Disassembly and assembly service Tools...

Страница 27: ...27 27...

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