Test Mode - Sony MDS-JE520 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 §EJECT 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.
Be sure to press the §EJECT button after pressing the MENU/NO button and the rotation of disc is stopped.
4-1-1. Recording laser emission mode and operating buttons
• Continuous recording mode (CREC MODE)
• Laser power check mode (LDPWR CHECK)
• Laser power adjustment mode (LDPWR ADJUST)
• Traverse (MO) check (EF MO CHECK)
• Traverse (MO) adjustment (EF MO ADJUST)
• When pressing the rREC button.
4-2. SETTING THE TEST MODE
The following are two methods of entering the test mode.
Procedure 1: While pressing the AMS knob and p button, connect the power plug to an outlet, and release the AMS knob and p button.
When the test mode is set, "[Check]" will be displayed. Rotating the AMS knob switches between the following four groups;
···Nn Check Nn Adjust Nn Service Nn Develop Nn ···.
Procedure 2: While pressing the AMS knob, connect the power plug to the outlet and release the AMS knob.
When the test mode is set, "TEMP CHECK" will be displayed. By setting the test mode using this method, only the "Check"
group of method 1 can be executed.
4-3. EXITING THE TEST MODE
Press the REPEAT button. The disc is ejected when loaded, and "Standby" display blinks, and the STANDBY state is set.
4-4. BASIC OPERATIONS OF THE TEST MODE
All operations are performed using the AMS knob, YES button, and MENU/NO button.
The functions of these buttons are as follows.
Function name
AMS knob Changes parameters and modes
YES button Proceeds onto the next step. Finalizes input.
MENU/NO button Returns to previous step. Stops operations.
SECTION 4

TEST MODE

Function
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