Sony HCD-BC150 Service Manual page 88

HCD-BC150/BC250
DVD SECTION
3-1. GENERAL DESCRIPTION
The Mirror Time and IOP measurement allows you to make
diagnosis 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.
3-2. STARTING TEST MODE
, A (DISC1) and ?/1 simultaneously
Press three buttons x
with the DVD player in standby mode.
The Test Mode starts, then the menu shown below will be
displayed 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)
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
Adjustment menu, press button 2 on the remote commander to
enter Drive Manual Operation menu. To exit from the Test Mode,
press the power button on the remote commander.
3-3. DRIVE MANUAL OPERATION
The Drive Manual Operation menu consists of five main
function. By pressing 2 on the remote commander in the
Remocon Diagnosis Menu, the screen will appear as below.
Drive Manual Operation
1. Servo Control
2. Track/Layer Jump
3. Manual Adjustment
4. Mecha Test Mode
5. Mirr Time Adjust
0. Return to Top Menu
16
3-4. MIRROR TIME ADJUSTMENT
To enter Mirror Time Adjustment, press 5 on the remote
commander. 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.
1. CD Mirr time Check
This command checks the Mirror time value for CD disc.
2. DVD Mirr time Check
This command checks the Mirror time value for DVD disc.
3. Threshold
This command displays the threshold value between CD and DVD
mirror time.
4. Save to EEPROM
This command saves an adjusted mirror time value to the EEPROM.
5. Default set MIRR time
This command will set CD and DVD mirror time to firmware default
value.
[Open] / [Close]
Pressing the Open / Close button controls the tray for disc change
during mirror time adjustment.
[0] Return to previous menu
Press [0] button to return to previous menu.
3-4-1. EXECUTING MIRROR TIME ADJUSTMENT
In order to execute mirror time adjustment, the following standard
procedures must be followed.
(1) In standby mode, press three buttons x , A (DISC1) and
?/1 simultaneously.
(2) Select "2. Drive Manual Operation".
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History Check
4. Version information
5. Video Level Adjustment
Model : DPX-xxxx_xx
IF-con : Ver. x.xxx (xxxx)
Syscon : Ver. x.xxx