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Sony MDS-JA20ES Service Manual

Sony MDS-JA20ES
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– 21 –
SECTION 4
TEST MODE
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
rotating.
Therefore, it will be ejected while rotating.
Be sure to press the § 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 [REC] 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.
Note: The tray is drawn out for a disc setting immediately when the test mode becomes active. Set a disc and push the tray by hand, so that the disc is
loaded automatically.
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.
r
±
±
±
±
±
±
[]
[]
Function name Function
[AMS] knob Changes parameters and modes
[YES] button Proceeds onto the next step. Finalizes input.
[MENU/NO] button Returns to previous step. Stops operations.
±

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Sony MDS-JA20ES Specifications

General IconGeneral
BrandSony
ModelMDS-JA20ES
CategoryMiniDisc Player
LanguageEnglish

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