The test flowchart of download failed
58
Cannot download
Check mobile
is powered on
Check configuration
of software, cable,
power, pc etc.
YES
Check if USB interface
connects OK
Connect USB
cable and check
current is correct
Disconnect cable
immediately and touch
chip gently to check if
chip is hot
YES
Check VCORE,
VDD,VADO,VTCXO,VRTC,VMEM and
clock signal of 26Mhz, 32khz
YES
NO
NO
Replace or
Resolder MT6357
Clean and resolder
LCD connector
NO
NO
OK
Replace or
resolder USB
connector
YES
Содержание VIVO ONE
Страница 1: ...BLU Model VIVO ONE VIVO ONE SERVICE MANUAL ASSEMBLY DISASSEMBLY 1 ...
Страница 2: ...Chapter 1 EXPLODED VIEW AND COMPONENT DISPOSAL EXPLODED DIAGRAM 2 ...
Страница 14: ...DISASSEMBLY AND ASSEMBLY SERVICE TOOLS 14 ...
Страница 16: ...Chapter 2 SYSTEM BLOCK DIAGRAM 16 ...
Страница 17: ...Chapter 3 INSTRUCTION OF THE UNIT CIRCUIT Circuit instruction of CPU 22 ...
Страница 18: ...23 ...
Страница 19: ...24 ...
Страница 20: ...25 ...
Страница 21: ...26 ...
Страница 22: ...27 ...
Страница 23: ...28 ...
Страница 24: ...CPU input of the keypad 29 ...
Страница 25: ...The circuit of SIM1 SIM2 T FLASH 30 ...
Страница 26: ...EMMC MCP 31 ...
Страница 27: ...Bluetooth WIFI GPS FM 32 ...
Страница 28: ...Power supply port 33 ...
Страница 29: ...29 ...
Страница 30: ...30 ...
Страница 31: ...31 ...
Страница 32: ...Battery connector 37 ...
Страница 33: ...Charger Circuit 38 ...
Страница 34: ...I O connector 39 ...
Страница 35: ...40 RF TX RX ...
Страница 36: ...41 ...
Страница 37: ...42 ...
Страница 38: ...43 REC MIC ...
Страница 39: ...44 HEADSET REC MIC ...
Страница 40: ...LCD POWER LCD BACKLIGHT 45 ...
Страница 41: ...Rear Camera Connector 46 ...
Страница 42: ...47 Front Camera Connector ...
Страница 43: ...48 Flash LED ...
Страница 44: ...49 ALPS G SENSOR ...
Страница 45: ...50 Finger print ...
Страница 46: ...Chapter4 PCB Layout chart PCB layout SIDE A 51 ...
Страница 47: ...PCB layout SIDE B 52 ...
Страница 48: ...53 ...