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All manuals and user guides at all-guides.com IQ449 service manual Fly IQ449 Service Manual CAUTIONS Please refer to the phone’s user’s guide for instructions relating to operation, care, and maintenance, which include important safety information. Servicing and alignment must be undertaken by qualified personnel only.
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All manuals and user guides at all-guides.com IQ449 service manual Product Hardware Introduction SC7710 SC7710 PMIC SR3131 Transceiver Camera DSP/MMP SC7710/ RFPA GSM:SKY77590;WCDMA PA:SKY77761 Base Chip Set BK3513 BT/FM SC7710 Audio CODEC&PA KSLCBBL1FB4G3A Memory MSG21331 TP IC 3.5” ,IC:hx8357D CP2123/ Backlight Driver 200W,IC:SP2518...
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All manuals and user guides at all-guides.com IQ449 service manual INTRODUCTION Fly W950 Main function * 3.5’ 480*320 TFT LCD *SC7710 (400MHz),4Gb+2Gb *double SIM stand by *Camera:2MP Camera AF *BT, FM ,WIFI *Multimedia player *T-Flash Up to 32 GB *MP3,AAC, MIDI ,WAV *CTP Spec:...
All manuals and user guides at all-guides.com IQ449 service manual SERVICE TOOLS Iron Hot air gun Voltage regulator Multimeter Solder wire, soldering paste Tweezers Driver Wrist groun Pick Antistatic Computer and software download cable Metal tweezers, Screw driver etc...
All manuals and user guides at all-guides.com IQ449 service manual DISASSEMBLY AND ASSEMBLY...
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All manuals and user guides at all-guides.com IQ449 service manual...
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IQ449 service manual All manuals and user guides at all-guides.com CIRCUIT INSTRUCTION BB CPU MEMORY WIFI BTBK3 SC7710 BCM40181 USC771...
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IQ449 service manual All manuals and user guides at all-guides.com AUDIO jack CARD...
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All manuals and user guides at all-guides.com IQ449 service manual SYSTEM BLOCK DIAGRA...
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All manuals and user guides at all-guides.com IQ449 service manual UNIT CIRCUIT PRINCIPLE INTRODUCTION Baseband CPU circuit introduction for power supply...
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IQ449 service manual All manuals and user guides at all-guides.com...
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All manuals and user guides at all-guides.com IQ449 service manual...
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All manuals and user guides at all-guides.com IQ449 service manual...
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All manuals and user guides at all-guides.com IQ449 service manual BT+WIFI circuit...
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IQ449 service manual All manuals and user guides at all-guides.com Audio PA circuit RF circuit...
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All manuals and user guides at all-guides.com IQ449 service manual TROUBLE SHOOTING GUIDE Cannot switch on Phone connect current is about 50-100mA and cannot switch on Update software Check and replace Check power output: I/O connector Centre supply VCORE 1.2V Logical supply VDD28 2.8V...
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All manuals and user guides at all-guides.com IQ449 service manual BT+FM chip cannot work normally BT、FM can’t open, Can’t work normal Software update and check Software update the function is OK or not Check U7100 Pin6 have Measure U0100 PIN 2.8V supply voltage or not...
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All manuals and user guides at all-guides.com IQ449 service manual cannot download cannot download Check phone Check battery is OK or not switch on or not Check applications, Re-install USB driver and USB cable, software is replace USB cable OK or not...
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All manuals and user guides at all-guides.com IQ449 service manual Does not charge Remind error during charge Remind: “fault connection” “battery overheat” Change battery Re-flash SW Check battery connector testing Pin, if the bias resis and vatge be normal. Check Q6100 R6100 R6101 be Replace normal.
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All manuals and user guides at all-guides.com IQ449 service manual Stand-by short time Stand-by short time Change battery Re-flash SW Connect the phone with Voltage regulator, the current should be zero Power on the phone, check the if working current be...
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All manuals and user guides at all-guides.com IQ449 service manual No display or display abnormality No display or display abnormality after power on Check LCD if damage or Change LCD liquid flow out Check LCD FPC is OK Clean/re-solder or not...
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All manuals and user guides at all-guides.com IQ449 service manual No/Low sound from Speaker No sound or noise Remove the speaker and check if there’s the ring is measure with multimeter to normal see if there’s any sound. Set the phone as The phone is in Replace speaker.
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All manuals and user guides at all-guides.com IQ449 service manual Receiver low voice or no voice Receiver is low. Set the phone as handsfree mode Check if the receiver Replace the is broken or damaged receiver. Test if there’s sound from...
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All manuals and user guides at all-guides.com IQ449 service manual CIT TEST 1. Insert T-Flash card and SIM card. After power-on, press *#789# to enter factory mode for CIT test. 2. Choose Full test menu. To do full test. 3. Test relative items one by one:...