DVP-LS755P - Sony DVD Service Manual (repair manual). Page 64

The Mirror Time and IOP measurement allows you to make diag-
nosis and adjustment simply by using the remote commander and
monitor TV. The instructions, diagnosis results, etc. are given on
the on screen display (OSD).

The Mirror Time and IOP measurement is required is such events
where servicing a DVD-Player includes changing the Base Unit
(BU). For each new BU to be used with a certain MV-044 board,
Mirror Time and IOP measurement need to be carried out.

Press the 

[TOP MENU]

, 

[CLEAR]

,

I/

1

buttons on the remote

commander in this order with the DVD player in standby mode.
The Test Mode starts, then the menu shown below will be dis-
played on the TV screen.

Remocon Diagnosis Menu

0. External Chip Check

1. Servo Parameter Check

2. Drive Manual Operation

3. Emergency History

4. Version Information

5. Video Level Adjustment

Model Name : DPX-xxxx_xx

IF-con : Ver. x.xxx (xxxx)

Syscon : Ver. x.xxx

The menu above is the Remocon Diagnosis Menu screen which
consists of six main function. At the bottom of the menu screen,
the model name and IF-con version. To enter Mirror Time Adjust-
ment menu, press button 

[2]

 on the remote commander to enter

Drive Manual Operation menu. To exit from the Test Mode, press
the

I/

1

button on the remote commander.

The Drive Manual Operation menu consists of five main function.
By pressing 

[2]

 on the remote commander in the Remocon Diag-

nosis Menu, the screen will appear as below.

Drive Manual Operation

1. Servo Control

2. Track/Layer Jump

3. Manual Adjustment

4. Tray Aging Mode

5. MIRR time Adjust

0. Return to Top Menu

To enter Mirror Time Adjustment, press 

[5]

 on the remote com-

mander. The screen will appear as below.

MIRR time Adjust Menu

1. CD MIRR time Check:

2. DVD MIRR time Check:

3. Threshold:

4. Save to EEPROM

5. Default set MIRR time

[Open] Tray open [Close] Tray close

[0] Return to previous menu

There are five main commands in the Mirr time Adjust menu as
shown in the figure above. The functions of each command are
described in the following page.

This command checks the Mirror time value for CD disc.

This command checks the Mirror time value for DVD disc.

This command displays the threshold value between CD and DVD
mirror time.

This command saves an adjusted mirror time value to the EEPROM.

This command will set CD and DVD mirror time to firmware de-
fault value.

[Open] / [Close]
Pressing the

A

button controls the tray for disc change during

mirror time adjustment.

[0] Return to previous menu
Press 

[0]

 button to return to previous menu.