55
Cannot power
on
Check voltage
of TP502(Vbat)
is OK
Resolder or
replace battery
connector
NO
End
OK
Connect to the voltage
regulator and verify it
can be power on
Yes
Replace
battery
Check if the current is
powering 30-40mA
Update
software to the
latest version
YES
MT6357 may have
fault
YES
NO
NO
NO
Resolder or
replace MT6357
Test flowchart of can not power on (main)
NO
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 ...