Test Mode - Sony HMC-MD777 Service Manual

Cd player/mini disc deck
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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 § (MD) 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 § (MD) button after pressing the
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)
[REC]
• When pressing the
2. SETTING THE TEST MODE
The following are two methods of entering the test mode.
Procedure 1: (1) While pressing the both
When the test mode is set, "TEMP CHECK" will be displayed.
(2) Press the
(3) Turn the ≠↔± dial switches between the following four groups:
··· ↔ [Check] ↔ [Adjust] ↔ [Service] ↔ [Develop] ↔ ···.
Procedure 2: While pressing the
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 excuted.
3. EXITING THE TEST MODE
[REPEAT]
Press the
button. The disc is ejected when loaded, and the set will be normal mode.
4. BASIC OPERATIONS OF THE TEST MODE
All operations are performed using the ≠↔± knob,
The functions of these buttons are as follows.
Function name
≠↔± dial
Changes parameters and modes
YES button
Proceeds onto the next step. Finalizes input.
MENU/NO button
Returns to previous step. Stops operations.
4-1. Loading and Ejecting Disc in The Test Mode.
• Use MD slot1 only in the test mode.
• When loads disc, press the § (MD) button.
• When ejects disc, press the § (MD) button too.
button.
[ENTER/YES]
[MENU/NO]
button to display "[CHECK]".
[ENTER/YES]
button, turn the power ON.
Function
SECTION 4

TEST MODE

[MENU/NO]
button and the rotation of disc is stopped.
and π buttons, turn the power ON.
[ENTER/YES]
button, and
– 27 –
[MENU/NO]
button.

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