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NO: Refer to "Inspection Procedure 2: No Sound is STEP 2. Check a DVD (video disk) to be inserted. Q:Is sound data recorded in the DVD (video disk)? YES: Go to Step 3. NO: Use a DVD (video disk) containing sound data. STEP 3. Confirmation in MMCS service mode Q:Is "OK" displayed under "DVD drive" item? YES: Go to Step 4. NO: Replace the audio visual navigation unit. STEP 4. Check a scene to be played. Q:Does the scene accompany sound? YES: Go to Step 5. NO: Confirm by playing a sound-free scene. STEP 5. Check how the DVD is played. Q:Was the disk played at normal speed (not rewind, fast- forward, slow, or pause)? YES: Replace the audio visual navigation unit. NO: Play the disk at normal speed. Inspection Procedure 10: Sound of a DVD (video disk) can be played, but no image is M15410800107USA0000010000 COMMENTS ON TROUBLE SYMPTOM PROBABLE CAUSES ⦆ Defective DVD (video disk) ⦆ Malfunctions of audio visual navigation unit DIAGNOSIS STEP 1. Confirmation in MMCS service mode Q:Is "OK" displayed under "DVD drive" item? YES: Go to Step 2. NO: Replace the audio visual navigation unit. AUDIO AND NAVIGATION SYSTEM 54B-117 DIAGNOSIS |