Sony HBD-DZ940K Service Manual page 19

DVD SECTION
9-1. GENERAL DESCRIPTION
• The IOP measurement allows you to make diagnosis and ad-
justment simply by using the remote commander and moni-
tor TV. The instructions, diagnosis results, etc. are given on
the on-screen display (OSD).
Be sure to execute the IOP measurement when a BU (Base
Unit) is replaced.
9-2. HOW TO ENTER TEST MODE
x
While pressing the [ ] and the [
the [VOLUME] control in the direction of (+) with the DVD play-
er in power on.
The Test Mode starts, displayed "SERVICE" on this model display
then the menu shown below will be displayed on the TV screen.
* The display of the "Model Name" of the "Remocon Diagnosis
Menu" change with the model and the destination. Refer to
below on the model name.
DZ340M : DH1M
DZ640M : DH4M
DZ840K : DH7K
DZ840M : DH7M
DZ940M : DH8K
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
5. USB Test Mode Setting
*
Model Name : DH8K_XX
IF-con : Ver. XX.XX (XXXX)
Syscon : Ver. X.XXX
*1: Changes depending on destination
The menu above is the Remocon Diagnosis Menu screen which
consists of fi ve main functions. At the bottom of the menu screen,
the model name and IF-con version. To exit from the Test Mode,
?/1
press the [ ] button on the remote commander.
9-3. EXECUTING IOP MEASUREMENT
In order to execute IOP measurement, the following standard pro-
cedures must be followed.
(1) In power on, while pressing the [
taneously, turn the [VOLUME] control in the direction of (+).
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
5. USB Test Mode Setting
*
1
Model Name : DH8K_XX
IF-con : Ver. XX.XX (XXXX)
Syscon : Ver. X.XXX
*1: Changes depending on destination
HBD-DZ340M/DZ640M/DZ840K/DZ840M/DZ940K
Z
] buttons simultaneously, turn
1
x Z
] and the [ ] buttons simul-
(2) Select "2. Drive Manual Operation" by pressing the [2] button
on the remote commander. The screen will appear as shown.
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
(3) Select "3. Manual Adjustment" by pressing the [3] button on
the remote commander. The screen will appear as shown.
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
O o Change Value
[RETURN] Return to previous menu
(4) Select "6. IOP" by pressing the [6] button on the remote com-
mander.
(5) Wait until a hexadecimal number appear.
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop. 4D:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
O o Change Value
[RETURN] Return to previous menu
(6) Convert each data from hexadecimal to decimal using conver-
sion table.
(7) Please fi nd the label on the rear of the BU (Base Unit).
The default IOP value is written in the label.
(8) Subtract between these two values.
(9) If the remainder is smaller than 93 (decimal), then it is OK.
However if the value is higher than 93, then the BU is defec-
tive and need to be change.
(10) Press the [RETURN] button on the remote commander to re-
turn back to previous menu.
(11) Press the [0] button on the remote commander to return to Top
Menu.
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