Blu Studio J1 - Page 33

No Display &Display failure
Start
Check if it is
power issue
YES
Go to power
issue
No
1.Check software version?
2.Exclude LCD issue
No
Check
Connector J0801
no damage
YES
OVER
YES
Change J0801
Check signal
LEDA/LEDK if
unnormal
YES
Change U0900
No
Check U0401
YES
Change U0401
Replace Main PCBA
No