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FLY IQ449, Руководство по обслуживанию

FLY IQ449 - мощный смартфон с широким функционалом и высокой производительностью. Для настройки и обслуживания устройства, пользователи могут бесплатно скачать Руководство по обслуживанию с manualshive.com. Этот подробный мануал поможет вам использовать все возможности смартфона FLY IQ449.

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            IQ449 service manual 

 

 

 
 
 
 
 
 

All manuals and user guides at all-guides.com

Содержание IQ449

Страница 1: ...orkstation and that an anti static wrist strap is worn Use only approved components as specified in the parts list Ensure all components modules screws and insulators are correctly re fitted after ser...

Страница 2: ...SC7710 SR3131 SC7710 GSM SKY77590 WCDMA PA SKY77761 BK3513 SC7710 KSLCBBL1FB4G3A MSG21331 3 5 IC hx8357D CP2123 200W IC SP2518 TBD PIFA antenna 0 11mA 6 80mA double SIM 235 8mA 900MHz 220mA 1800MHz C...

Страница 3: ...ouble SIM stand by Camera 2MP Camera AF BT FM WIFI Multimedia player T Flash Up to 32 GB MP3 AAC MIDI WAV CTP Spec Network 2G GSM GPRS 900 1800MHz Scream 3 5 480 320 TFT LCD Bluetooth 2 1 EDR Camera 2...

Страница 4: ...Iron Hot air gun Voltage regulator Multimeter Solder wire soldering paste Tweezers Driver SW Wrist groun Pick Antistatic Computer and software download cable Metal tweezers Screw driver etc All manual...

Страница 5: ...IQ449 service manual DISASSEMBLY AND ASSEMBLY All manuals and user guides at all guides com...

Страница 6: ...All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 7: ...IQ449 service manual All manuals and user guides at all guides com...

Страница 8: ...IQ449 service manual CIRCUIT INSTRUCTION USC771 BB CPU SC7710 MEMORY WIFI BCM40181 BTBK3 513 All manuals and user guides at all guides com...

Страница 9: ...IQ449 service manual SIM CARD AUDIO jack All manuals and user guides at all guides com...

Страница 10: ...IQ449 service manual SYSTEM BLOCK DIAGRA All manuals and user guides at all guides com...

Страница 11: ...IQ449 service manual UNIT CIRCUIT PRINCIPLE INTRODUCTION Baseband CPU circuit introduction for power supply All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 12: ...IQ449 service manual All manuals and user guides at all guides com...

Страница 13: ...IQ449 service manual All manuals and user guides at all guides com...

Страница 14: ...IQ449 service manual All manuals and user guides at all guides com...

Страница 15: ...IQ449 service manual BT WIFI circuit All manuals and user guides at all guides com...

Страница 16: ...IQ449 service manual Audio PA circuit RF circuit All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 17: ...GPS All manuals and user guides at all guides com...

Страница 18: ...onnector NO YES NO Check power output Centre supply VCORE 1 2V Logical supply VDD28 2 8V Audio supply VDD18 1 8V Memory supply VMEM 1 8V RTC supply RTCVDD 2 8V YES Check and replace SYS Clock 26MHz 32...

Страница 19: ...Pin6 have NO 2 8V supply voltage or not YES NO Check C7103 have 1 8V supply voltage or not YES NO Check C7100 have 26MHz clock signal output or not by oscilloscope OSC YES Re solder or Replace U7100...

Страница 20: ...are is OK or not YES Check I O connector is OK or not NO Check C0342 have VBAT supply or not YES Re solder or replace U0100 SC7710 END NO Check battery is OK or not NO Re install USB driver and replac...

Страница 21: ...eat Change battery Re flash SW NO Check battery connector testing Pin if the bias resis and vatge be normal NO NO YES Check Q6100 R6100 R6101 be Replace YES normal NO or re solder YES Replace or re so...

Страница 22: ...if working current be By touch to normal no exceed 1000mA NO NO Check and YES Check if the idle current be normal 0mA or little more YES Check if the components on the PCB are damaged capacitor power...

Страница 23: ...rmality No display or display abnormality after power on Check LCD if damage or YES liquid flow out NO Check LCD FPC is OK NO or not YES Change or re solder U0100 SC7710 Change LCD Clean re solder FPC...

Страница 24: ...easure with multimeter to see if there s any sound YES YES YES Set the phone as The phone is in normal mode Silent mode NO Check if the volume is in lowest mode NO Turn on the speaker measure the wave...

Страница 25: ...mode YES Replace the YES receiver Check if the receiver is broken or damaged NO Test if there s sound from receiver with multimeter YES Measure the signal with oscillograph under calling mode NO Repl...

Страница 26: ...items one by one MMI UI Test operations guide Version check ADC Calibration Info Battery Keyboard test LCD test RTC Vibrator Backlight test Main loopback test Camera test Bluetooth test Headset test...

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