Inspection Procedure 9: Image of a DVD is Played, but no Sound is Played.



caution Whenever the multivision display is replaced, ensure that the power supply circuit and the earthing circuit are normal. (Check that the voltage is 10 V or more.)

COMMENTS ON TROUBLE SYMPTOM




PROBABLE CAUSES



  • Defective DVD
  • Malfunctions of multivision display

DIAGNOSIS PROCEDURE


STEP 1. Check whether other sounds are emitted.



(1)Check if the sound is output when the music server is used.
(2)Check if the sound is output when the radio is used.
(3)Check if the sound is output when the CD is used.

Q. Is sound other than DVD emitted?





STEP 2. Check a DVD to be inserted.



Q. Is sound data recorded in the DVD?





STEP 3. Check the DVD.



Q. Is the check result normal?





STEP 4. Temporarily replace the DVD with another DVD, and check the trouble symptom.



Q. Is the check result normal?





STEP 5. Check the service data log for the MMCS service mode.


(1)Display the service data log for the MMCS service mode. (Refer to .)
(2)Check if the service data log for drive and HDD is displayed.

Q. Is the service data log displayed?







STEP 6. Perform "Network/Connect Line Check" in the MMCS service mode.


(1)Display "Network/Connect Line Check" in the MMCS service mode. (Refer to .)
(2)Check if "DVD Drive OK" is displayed.
(3)Check if "HDD Drive OK" is displayed.

Q. Is the check result normal?





STEP 7. Check of playing method



Q. Is the check result normal?





STEP 8. Temporarily replace the multivision display, and check the trouble symptom.



Q. Is the check result normal?