HCD-ZX50MD - Sony Audio Service Manual (repair manual). Page 30

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CLEAR button (When REC IT is lit)

PUSH ENTER button

Mulit stick (Left or Right)

MD REC MODE button (When REC IT is lit)

NAME EDIT/CHARACTER button

Cancel or move to top hierarchy

Set

Select

Set submenu

Switching of button operations (REC IT lights up/goes off)

• 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 Z   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  CLEAR  button while REC IT is lit, and press the  MD Z  button while REC IT is off after the disc stops rotating.

• Continuous recording mode (CREC 1MODE) (C35)
• Laser power check mode (LDPWR CHECK) (C13)
• Laser power adjustment mode (LDPWR ADJUS) (C04)
• Iop check (Iop Compare) (C27)
• Iop value nonvolatile writing (Iop NV Save) (C06)
• Traverse (MO) check (EF MO CHECK) (C14)
• Traverse (MO) adjustment (EF MO ADJUS) (C07)
• When pressing the MD REC  button.

The following are two methods of entering the test mode.
Procedure 1: In the power ON state, set the function to MD, and while pressing the  DISPLAY  and  x  buttons together, press  V-GROOVE .

When the test mode is set, “[Check]” will be displayed. Move the multi-stick to switch between the following three groups;
··· y Check y Service y Develop y ···.

Procedure 2: In the power ON state, set the function to MD, and while pressing the  DISPLAY  and  x  buttons together, press the  NAME

EDIT/CHARACTER  button.
When the test mode is set, “AUTO CHECK” will be displayed. By setting the test mode using this method, only the “Check”
group of method 1 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  CLEAR  button while REC IT is lit, immediately to exit the [Develop] group.

Press the  MD Z  button while REC IT is off. The disc is ejected when loaded, and “Standby” display blinks, and the STANDBY state is set.

Operate using the multi-stick,  PUSH ENTER  button,  MD REC MODE  button,  CLEAR  button,  NAME EDIT/CHARACTER  button.