Disc loading error
Are Main and
deck power OK?
(5v, 12v)
Yes
Is the 40pin
FFC cable(betweenmain & deck)
inserted correctly?
Yes
Is the wavefrom
of MIC3pin26 normal?
(Main PCB)
Yes
Change the deck
No
Check the power
No
Reinsert FFC cable correctly
No
Change the Main board
6-3