Test Mode - Sony MDS-W1 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.
This unit uses two mechanism Deck A and Deck B.
The decks can be operated individually in the test mode.
For buttons or knobs not specified as (Deck A) or (Deck B) in the procedure, use that of the corresponding deck.
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: With the power ON, press the 0 (Deck B) button while pressing the OUTPUT and CLEAR (Deck A) buttons together.
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: With the power ON, press the p (Deck B) button while pressing the OUTPUT and CLEAR (Deck A) buttons together.
When the test mode is set, "TEMP CHECK" will be displayed. By setting the test mode using this method, only the "Check"
group of procedure 1 can be executed.
4-3. EXITING THE TEST MODE
Press the MD SYNC button. The STANDBY state is set when the test mode is exited.
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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