Sony MXD-D4 Service Manual page 11

Microcomputer Version Display
Procedure:
1. Enter the service mode, then turn
2. The CD microcomputer version is displayed, and then press the
and the display microcomputer version will be displayed.
3. To exit from the mode, press the
FL Display Test/LED display test
Procedure:
1. Enter the service mode, then turn
2. All segments of fluorescent display tube turn on fully, and all LEDs turn off fully. ("
[
successive pressing the l
[DISC]
turn on fully. (" " button LED lights in amber)
3. To exit from the mode, press the
Key/Jog Input Test
Procedure:
1. Enter the service mode, then turn
2. Clockwise rotation of the
(CD) knob moves the L-CH level meter.
3. Press the buttons in order, and when all buttons were pressed, "Key OK!" will be displayed.
4. To exit from the mode, press the
Software Reset
Procedure:
1. Enter the service mode, then turn
2. The microcomputer resets the software, and the power is turned off.
[ AMS ]
l L
[ AMS ]
(MD) knob.
l L
[ AMS ]
l L
AMS ]
L (MD) knob causes all segments of fluorescent display tube to turn off fully and all LEDs to
[ AMS ]
(MD) knob.
l L
[ AMS ]
l L
[ AMS ]
l L (MD) knob moves the R-CH level meter, or counterclockwise rotation of the
[ AMS ]
l L (MD) knob.
[ AMS ]
l L
(MD) knob to display "<Version> 1", and press the
[ AMS
l L
(MD) knob to display "<FLD> 2", and press the
(MD) knob to display "<Key, Jog> 3", and press the
(MD) knob to display "<Initial> 8", and press the
[
l
]
(MD) knob, and the MD microcomputer version
[ AMS
l
[DISC]
" button LED lights in green) Then,
[
l
[ AMS
l
AMS ]
(MD).
L
]
L (MD).
AMS ]
L (MD).
[ AMS ]
l L
]
L (MD).
11