56
No sound in
headphone
Check if there
is sound when
switch to
loudspeaker
Check if
Speaker has
damaged
NO
Replace or clean
speaker
YES
Check if headphone
is connect OK
Yes
Replace
headphone
Remove headphone and
test it by millimeter to
check if the connection is ok
Replace headphone
NO
Check if there is
audio signal from
MT6357
YES
NO
YES
NO
Replace MT6357
The test flowchart of head phone
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 ...