Sony CDP-M400CS Service Manual page 21

SOFT WARE VERSION DISPLAY
• Software version can be displayed on the fluorescent indicator
tube.
Procedure:
With the power ON, while pressing the TIME and MEGA
CONTROL buttons, press the 1/u button.
Rotate the DISC/ALBUM/CHARACTER dial, select "Version"
and press the dial.
Software version is displayed on the fluorescent indicator tube.
To end this mode, press the 1/u button.
BU TEST MODE
• This mode is used for electrical adjustments.
Refer to the section on Electrical Adjustment.
CDM TEST MODE
• This mode is used for mechanical adjustments and electrical
adjustments.
Refer to the section on Mechanical adjustment and Electrical
Adjustment.
AGING MODE
• Mode which repeatedly changes and plays back discs
automatically in the unit.
• It will repeat aging as long as no errors occur.
• If an error occurs during aging, it will stop all servos, motors,
etc. instantaneously, display the error number, and stop
operations.
The function serves to maintain the state of the unit when errors
occur.
Sequence of Aging Mode
$
1. Disc change
$
2. Load in
$
3. TOC read
$
4. Access of last track
$
5. 3 second playback
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6. Access of first track
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7. 3 second playback
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8. Load out
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Order of Disc Change
(1 cycle takes 3 minutes)
$
1. No. 80
$
2. No. 320
$
3. No. 240
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4. No. 400
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5. No. 160
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Special Aging Mode Functions
The aging mode is provided with the following convenient functions
1. Disc setting mode:
5 discs are set before setting the aging mode. This mode makes
the setting of these discs more easy.
2. Aging disc count function:
Functions which displays the number of aging discs carried
out on the Fluorescent indicator tube in numbers.
Aging Procedure
1. Turn on the power and press the TIME , MEGA CONTROL
and 1/u buttons.
2. Rotate DISC/ALBUM/CHARACTER dial, select "Aging
Mode" and press the dial to start the aging mode.
3. When the disc set mode is set, the · and P LEDs blink.
4. Rotate the DISC/ALBUM/CHARACTER dial. The slits (No.
80, 160, 240, 320, 400) for setting the discs will come forward.
Insert the discs into these slits. Do not set the discs in other
slits.
5. Press the · button.
6. The · LED blinks, the aging mode is set, and aging is
started.
7. The aging cycle lasts 3 minutes. If errors occur during aging,
the error number will be displayed on the Fluorescent indicator
tube. (Refer to the following table for the details of the errors.)
8. Aging will be repeated as long as no errors occur.
9. After disc load out, the number displayed on the Fluorescent
indicator tube will increase.
10. To end aging, press the 1/u button.
If an error occurs and the 1/u button is useless, disconnect
the power cord from the outlet.
Display in aging cycle
AGED 10
CDP-M400CS
DISC 180
21