Inspection Procedure

1. Check if a disc is inserted into the MAP disc slot.
   1. Check if "DISC IN" comes on.

      OK: "DISC IN" comes on. 

NG: EJECT DISC 

OK: Go to next step 

1. Check that the map disc is not deformed or cracked.

   OK: No deformations or cracks on the map disc. 

NG: REPLACE MAP DISC 

Fig 1: Precaution For Disc Deformed And Cracked

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OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE )