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3-6. AUTO DIAGNOSIS FUNCTION
This test mode automatically performs C-REC and C-PLAY and checks mainly the characteristics of the optical pick-up. To execute the test
mode, first check the laser power and perform AUTO CHECK after Iop Compare.
[Operation Procedure]
1.
Press the YES button. If “LDPWR
” appears, which means the laser power has not been checked, first check the laser power and
perform Iop Compare. Then, repeat this step.
2.
If there is a disc in the mechanism deck, the disc is forcibly ejected.
After “DISC IN” appears, load a recordable test disc (MDW-74/GA-1).
3.
When the disc is loaded in step 2, the check automatically starts.
4.
While “XX CHECK” is displayed, the check of the item shown in “XX” is in progress.
After “06 check” is complete, eject the disc loaded in step 2. When “DISC IN” appears, load the TDYS-1 check disc (MD).
5.
After the disc loaded in step 4 is loaded, the check automatically restarts from “07 CHECK”.
6.
After the check of item 12 is complete, “OK” or “NG” appears. When all items are OK, “CHECK ALL OK” appears. If even one of the
items failed, “NG: xxxx” appears.
When “CHECK ALL OK” appears, there is no problem in the optical pick-up. Check the operations of the spindle motor, sled motor, etc.
If “NG: xxxx” appears, there is an abnormality in the optical pick-up. Replace the optical pick-up.
3-7. INFORMATION
The version of the software is displayed.
[Operation Procedure]
1.
When “INFORMATION” appears, press the YES button.
2.
The version of the software is displayed.
3.
Press the MENU/NO button to end this mode.
3-8. MEASURE WHEN “MEMORY NG” APPEARS
If there is an abnormality in the data of the non-volatile memory, “E001” or “MEMORY NG” appears so that the MD mechanism deck does
not continue to be operated. If either of these messages appears, immediately enter the test mode and perform the following operation.
[Operation Procedure]
1.
Enter the test mode. (Refer to Section 3-2.)
2.
Normally, the test mode selection display appears. If there is an abnormality in the non-volatile memory, the message “INIT EEP?”
appears.
3.
Press the
x
button and the EJECT
A
button at the same time.
4.
Turn the
l
AMS
L
knob to select “MDM-7SC”.
5.
Press the
l
AMS
L
knob. After the non-volatile memory is rewritten, the mode returns to the normal test mode and the test mode
selection display appears.-
