Sony HCD-MD1EX - System Service Manual page 25

Procedure:
1. Load a recordable disc (MD) and CD test disc (YEDS-18). (*Note 1)
[VOLUME–]
2. While pressing the
3. Aging is executed in the above sequence.
4. To end, press the p (CD or MD) button.
*Note 1: Any CD can be used, but one with a short last track is recommended. The time of one aging cycle will be longer if the last track is long.
Also use a CD in which the length of the last track x 20 does not exceed the recording time of the recording MD.
Table 1. Messages and Main Causes When Aging Stops
No. Error Messages
1
MD A Erase NG
2
MD R-Pause NG
3
MD D-input NG
4
MD Play NG
5
MD TOC NG
6
MD No Disc NG
7
CD No Disc NG
8
CD Pause NG
9
CD Search NG
0
CD Play NG
!¡
CD Open NG
!™
CD Close NG
button, press the )+ button.
Details of Error
Cannot MD all erase.
Cannot set MD Rec Pause.
Cannot lock MD digital in.
Cannot play last track.
MD TOC are different.
Cannot read MD TOC.
Cannot read CD TOC.
Cannot set CD pause in
CD synchro mode.
Cannot search last track on CD.
Cannot play last track on CD.
Cannot open CD tray.
Cannot close CD tray.
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Main Causes
A disc for playback only was used. The rec-proof tab is set to
protect. Disc error, etc.
Disc is full, etc.
Access error, etc.
No. of total tracks does not match logic value.
Disc error, etc.
Optical defect, spindle defect (including motor), cannot read Q
data, disc defect (scratches, etc.), bad focus, bad GFS, etc.
Disc defect (scratches, etc.), cannot read Q data, etc.
Optical defect, sled, tracking defect (including motor), cannot
read Q data, disc defect (scratches, etc.).
Optical defect, cannot read Q data, disc defect (scratches, etc.),
etc.
LOAD OUT SW defect
LOAD IN SW defect