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
Summary of Contents for VIVO ONE
Page 1: ...BLU Model VIVO ONE VIVO ONE SERVICE MANUAL ASSEMBLY DISASSEMBLY 1 ...
Page 2: ...Chapter 1 EXPLODED VIEW AND COMPONENT DISPOSAL EXPLODED DIAGRAM 2 ...
Page 14: ...DISASSEMBLY AND ASSEMBLY SERVICE TOOLS 14 ...
Page 16: ...Chapter 2 SYSTEM BLOCK DIAGRAM 16 ...
Page 17: ...Chapter 3 INSTRUCTION OF THE UNIT CIRCUIT Circuit instruction of CPU 22 ...
Page 18: ...23 ...
Page 19: ...24 ...
Page 20: ...25 ...
Page 21: ...26 ...
Page 22: ...27 ...
Page 23: ...28 ...
Page 24: ...CPU input of the keypad 29 ...
Page 25: ...The circuit of SIM1 SIM2 T FLASH 30 ...
Page 26: ...EMMC MCP 31 ...
Page 27: ...Bluetooth WIFI GPS FM 32 ...
Page 28: ...Power supply port 33 ...
Page 29: ...29 ...
Page 30: ...30 ...
Page 31: ...31 ...
Page 32: ...Battery connector 37 ...
Page 33: ...Charger Circuit 38 ...
Page 34: ...I O connector 39 ...
Page 35: ...40 RF TX RX ...
Page 36: ...41 ...
Page 37: ...42 ...
Page 38: ...43 REC MIC ...
Page 39: ...44 HEADSET REC MIC ...
Page 40: ...LCD POWER LCD BACKLIGHT 45 ...
Page 41: ...Rear Camera Connector 46 ...
Page 42: ...47 Front Camera Connector ...
Page 43: ...48 Flash LED ...
Page 44: ...49 ALPS G SENSOR ...
Page 45: ...50 Finger print ...
Page 46: ...Chapter4 PCB Layout chart PCB layout SIDE A 51 ...
Page 47: ...PCB layout SIDE B 52 ...
Page 48: ...53 ...