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Executing Iop Measurement - Sony HCD-DZ520K Service Manual

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HCD-DZ520K/DZ620K
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8-5. EXECUTING IOP MEASUREMENT

In order to execute mirror time adjustment, the following standard
procedures must be followed.
(1) In standby mode, while pressing the
simultaneously, turn VOLUME + .
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History Check
4. Version information
Model Name : DSX2KF_XX
IF-con
: Ver. XX.XX (XXXX)
Syscon
: Ver. X.XXX
(2) Select "2. Drive Manual Operation" by pressing the 2 "R"
button on the remote commander. 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
TE
L 13942296513
(3) Select "3. Manual Adjustment" by pressing the 3 "R" button
on the remote commander. The screen will appear as below.
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 Iop by pressing the 6 "R" button on the remote
commander.
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(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. 5B:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
Change Value
[0] Return to previous menu
(6) Convert each data from hexadecimal to decimal using
conversion table.
(7) Substract between these two values.
(8) 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.
(9) Press the RETURN "R" button to return back to previous
menu.
(10) Press the 0 "R" button to return to Top Menu and power
Q Q
OFF the DVD Player.
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