Test Mode - Sony MXD-D4 Service Manual

MD SECTION
Note: MD always plays double speed.
1. PRECAUTIONS FOR USE OF TEST MODE
• As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc
is stopped before setting and removing it.
[ EJECT]
Even if the A button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will
not stop rotating.
Therefore, it will be ejected while rotating.
[ EJECT]
Be sure to press the A
1-1. Recording laser emission mode and operating buttons
• Continuous recording mode (CREC MODE)
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• Iop check (Iop compare)
• Iop value non-volatile writing (Iop NV save)
• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
[REC
• When pressing the z
2. SETTING THE TEST MODE
The following are two methods of entering the test mode.
Procedure 1: Press the x (CD),
[
Press the l
[
Turn the l
When the test mode is set, "[Check]" will be displayed. Turn the
following three groups; ···Tt [Check] Tt [Service] Tt [Develop] Tt ···.
Procedure 2: While pressing the
(MD) knob.
When the test mode is set, "TEMP CHECK" (C12) will be displayed. By setting the test mode using this method, only the
"Check" group of procedure1 can be executed.
Note: Do not use the test mode in the [Develop] group.
If used, the unit may not operate normally.
If the [Develop] group is set accidentally, press the
3. RELEASING THE TEST MODE
Press the ? / button to display " <MD Test> 5", then to turn the power OFF, turn the
1
[
8" displayed, press the
l
4. BASIC OPERATIONS OF THE TEST MODE
All operations are performed using the
The functions of these buttons are as follows.
Function name
[ AMS ]
l L (MD) knob (turn)
[ AMS ]
l L (MD) knob (push)
[YES]
button
[MENU/NO]
button
26
SECTION 4

TEST MODE

button after pressing the
]
button.
[YES]
x (MD) and buttons at the same time.
AMS ]
L (MD) knob and
AMS ]
L (MD) knob and when " <MD Test> 5" is displayed, press the
[ AMS ]
(MD) knob, connect the power plug to the outlet and release the
l L
[MENU/NO]
AMS ]
(MD) knob.
L
[ AMS ]
(MD) knob,
l L
Function
Select.
Set Sub menu.
Proceeds onto the next step. Finalizes input.
Returns to previous step. Stops operations.
[MENU/NO]
button and the rotation of disc is stopped.
(MD) button to display " <To Normal> 0".
x
[ AMS
l
button immediately to exit the [Develop] group.
[
l
[YES]
button, and
[ AMS
l L
]
L (MD) knob switches between the
[
AMS ]
L (MD) knob and when " <Initial>
[MENU/NO]
button.
]
(MD) knob.
AMS ]
l L