57
No display or
display abnormal
when powered on
Check if LCD is
broken
Replace
LCD
YES
Check if LCD interface
connects OK
Replace LCD/FPC
END
OK
Check if enable signals and MIPI signals
are normal or not
NO
YES
NO
Replace or
resolder MT6739
Test flowchart of no display or display abnormally.
Clean and resolder
LCD connector
NO
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 ...