Test Mode - Sony MDS-S50 - Md Player Service Manual

4-1. 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.
Even if the button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not stop
Z
rotating.
Therefore, it will be ejected while rotating.
Be sure to press the button after pressing the
Z
4-1-1. Recording laser emission mode and operating buttons
• Continuous recording mode (CREC 1MODE)
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• Comparison with initial Iop value written in nonvolatile memory (Iop Compare)
• Write current Iop value in read nonvolatile memory using microprocessor (Iop NV Save)
• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
• When pressing the z button.
4-2. SETTING THE TEST MODE
The following are two methods of entering the test mode.
Procedure 1: While pressing the
[ AMS
the . >
When the test mode is set, "[Check]" will be displayed. Turning the
groups; ···Tt [Check] Tt [Service] Tt [Develop] Tt ···.
Procedure 2: While pressing the
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
4-3. RELEASING THE TEST MODE
Press the button. The unit sets into the STANDBY state, and the test mode ends.
I/1
4-4. BASIC OPERATIONS OF THE TEST MODE
All operations are performed using the
The functions of knob and buttons are as follows.
Function name
[ AMS ]
. > knob
[YES]
button
[MENU/NO]
button
SECTION 4

TEST MODE

[MENU/NO]
[ AMS ]
. > knob and x
]
knob and x button.
[ AMS ]
knob, connect the power plug to the outlet, and release the
. >
[MENU/NO]
[ AMS ] [YES]
. > knob,
Function
Changes parameters and modes
Proceeds onto the next step. Finalizes input
Returns to previous step. Stops operations
button and the rotation of disc is stopped.
button simultaneously, connect the power plug to the outlet, and release
[ AMS
.
button immediately to release the [Develop] group.
button, and [MENU/NO] button.
MDS-S50
]
> knob between the following three
[ AMS ]
. >
knob.
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