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Only for training and service purposes
4. TROUBLE SHOOTING
Re-solder the CN200
(main battery terminal)
START
Check is the CN200(Main)
Is well-soldered?
R603 (Navi)
Is well-soldered?
Check is the connection of
Navi key, Main, Slide FPCB ?
Check the Main FPCB
Main FPCB is OK?
U101(Main) check ?
Re-solder
R503 (main power key)
Connect the Navi key, Main, Slide FPCB
Replace Main FPCB
Replace the U101 (Main DBB)
Booting is operating properly
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO