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Start
Update new software or
Resetting factory
No
Check antenna and its
contactor
YES
OVER
Replace Main PCBA
YES
Change Antenna of contactor
No
GPS/BT/Wi_Fi issue
No ringtone
Start
Update new software or
Resetting factory
No
Check Speaker is ok or
not?
YES
OVER
Replace Main PCBA
YES
Change speaker
No
Summary of Contents for Studio J1
Page 1: ...No 20160406 Studio J1 Service Manual...
Page 5: ...Chart 3 Explode view and Part list 3 1 Explode view...
Page 18: ...Chart 6 Soldering components for L2 repair Main PWB Top 6 1 Component layout...
Page 19: ...Chart 6 Soldering components for L2 repair 6 1 Component layout Main PWB Bottom...
Page 27: ...Chart 8 Main boards layout TOP...
Page 28: ...Bottom...
Page 30: ...Chart 9 Mobile working principle and Fault analysis 9 1 Mobile work principle...
Page 41: ......