Inspection Procedure 9

Inspection Procedure 9: Image of a DVD (Video Disk) is Played, but no Sound is Played.

COMMENTS ON TROUBLE SYMPTOM
The DVD (video disk) or the audio visual navigation unit may be defective.

PROBABLE CAUSES
- Defective DVD (video disk)
- Malfunctions of audio visual navigation unit

DIAGNOSIS

STEP 1. Check whether other sounds are emitted.

Check whether sound other than DVD (video disk) is emitted.

Q: Is sound other than DVD (video disk) emitted?

YES : Go to Step 2.

NO : Refer to "Inspection Procedure 2: No Sound is Head Chassis electrical." Inspection Procedure 2

STEP 2. Check a DVD (video disk) to be inserted.

Check whether sound data is recorded in the DVD (video disk).

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

Perform "Network/Connect Line Check" in the MMCS service mode, and check whether "OK" is displayed under "DVD drive". 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.

Check whether the scene accompanies sound.

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.

Check whether the disk was played at normal speed (not rewinded, fast-forwarded, slow, or pause).

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.