Sony HCD-DZ370 Service Manual page 31

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DVD SECTION
7-1. GENERAL DESCRIPTION
The 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).
Be sure to execute the IOP measurement when a BU (Base Unit)
is replaced.
7-2. HOW TO ENTER TEST MODE
While pressing the [
[VOLUME] control in the direction of (+) with the DVD player
in power on.
The Test Mode starts, displayed "SERVICE IN" 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.
DZ370 : DSR3
DZ560 : DSR4E
DZ570 : DSR4
DZ660 : DSR7E
DZ777 : DSR7
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
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L 13942296513
4. Version Information
Model Name : DSR7_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,
press the power button on the remote commander.
7-3. EXECUTING IOP MEASUREMENT
In order to execute IOP measurement, the following standard
procedures must be followed.
(1) In power on, while pressing the [
simultaneously, 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
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Model Name : DSR7_XX
IF-con : Ver. XX.XX (XXXX)
Syscon : Ver. X.XXX
.
*1: Changes depending on destination
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] and [ ] buttons simultaneously, turn
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HCD-DZ370/DZ560/DZ570/DZ660/DZ777
8
(2) Select "2. Drive Manual Operation" by pressing the [2] button
on the remote commander. The screen will appear as shown.
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.
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:
Change Value
[RETURN] Return to previous menu
(4) Select "6. IOP" by pressing the [6] button on the remote
commander.
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(5) Wait until a hexadecimal number appear.
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop. 50:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
Change Value
[RETURN] Return to previous menu
(6) Convert each data from hexadecimal to decimal using
] buttons
A
conversion 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 defective
and need to be change.
(10) Press the [RETURN] button on the remote commander to
return back to previous menu.
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(11) Press the [0] button on the remote commander to return to Top
.
Menu.
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Drive Manual Operation
Manual Adjust
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Manual Adjust
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2 8 9 9
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