Aiwa CX-NHG2MD, Service Manual

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5. Record/Playback Error Rate Check (MO DISC)
• Test point: Check the test point on the display.
• Test disk: MDW-74
1)
Load the MDW-74.
2) Move the pickup to the center of the disk using the B.SKIP button and F.SKIP button.
3) Press the CD function button. Recording starts automatically in cluster 600.
4) After recording for about 15 seconds, press the STOP button.
5) Press the AUX/D-IN function button move the pickup to around cluster 600 and enter the “ALL SV ON” state (the display is in
the sate of the address indication). Press the DISPLAY button in or after cluster 600. Then confirm that the values of
“****:****” (underlined portion) is “0030” or lower.
6) After checking, press the STOP button to return the display to “ALL SVoFF”.
6. How to Delete the UTOC (User TOC)
Do this procedure only when the UTOC needs to be deleted because “UTOC ERROR” or other message is displayed when
inserting the recorded disk.
1)
Insert the disk whose UTOC is to be deleted.
2) Move the pickup to the center of the disk using the B.SKIP button and F.SKIP button.
3) Press the MODE button to display “SEL GRV”.
4) Press the MD REC button to display “R Analog”.
5) Press the PLAY button to display “FOCUS ON!”.
6) Press the ENTER button to display “ALL SV ON”.
7) Press the ECO button to display “UTOCerase”.
8) After the UTOC is deleted, “ALL SVoFF” automatically appears.
7. How to Initialize the EEP-ROM
Do the following procedure to set the adjustment value of the EEP-ROM to the default (standard value).
When initializing the EEP-ROM, be sure to do 1 to 3 of the MD electrical adjustment.
1)
Press the GEQ button.
2) Turn on the power again and confirm that “No Adjust” is displayed.
*
Even when “No Adjust” is displayed, MDs can be operated.