Inspection Procedure 6: CD cannot be played.
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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.)
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COMMENTS ON TROUBLE SYMPTOM
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The CD or the multivision display may be defective.
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- Defective CD
- Malfunctions of multivision display
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STEP 1. Check if the error message is displayed on the monitor.
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(Refer to .)
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Q.
Is the error message displayed on the monitor?
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YES : Refer to error message (refer to ), take necessary steps. If the CD is still not be played, go to Step 2.
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Go to Step 2.
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STEP 2. Check the CD insertion surface.
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Check that the CD is inserted with the correct surface facing up.
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Q.
Is the check result normal?
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Go to Step 3.
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Check the disc insertion surface, and reinsert the disc. (In case of a single-sided disc, insert it with its label facing upward.)
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- Check if the CD corresponds with the multivision display.
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Q.
Is the check result normal?
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Go to Step 4.
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Use a CD corresponds with the multivision display.
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Check that the CD is free of dirt or scratch.
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Q.
Is the check result normal?
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Go to Step 5.
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Clean the disc, use a disc without scratches and burrs, or remove the burrs from the disc, and then reinsert the disc.
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STEP 5. Temporarily replace the CD with another CD, and check the trouble symptom.
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Check that the new CD is played normally when it is inserted.
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Q.
Is the check result normal?
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Replace the used CD.
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Go to Step 6.
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STEP 6. Check the service data log for the MMCS service mode.
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(1)Display the service data log for the MMCS service mode. (Refer to .)
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(2)Check if the service data log for drive is displayed.
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Q.
Is the service data log displayed?
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Check for foreign materials or condensation. Repair if there is an abnormality, and then go to Step 7.
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Go to Step 7.
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STEP 7. Perform "Communications & Connection Check" in the MMCS service mode.
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(1)Display "Communications & Connection Check" in the MMCS service mode. (Refer to .)
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(2)Check if "CD Drive OK" is displayed.
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Q.
Is the check result normal?
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YES : Go to Step 8.
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NO : Replace the multivision display.
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STEP 8. Check of the troubles
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Check that the new CD is played normally when it is inserted.
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Q.
Is the check result normal?
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The diagnosis is complete.
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Go to Step 9.
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STEP 9. Temporarily replace the multivision display, and check the trouble symptom.
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After temporary replacement of the multivision display, check that the new CD is played normally when it is inserted.
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Q.
Is the check result normal?
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Replace the multivision display.
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Replace the CD.
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