Sony HCD-DX155 Service Manual page 27

Super audio cd/dvd receiver
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8-5. EXECUTING IOP MEASUREMENT
In order to execute mirror time adjustment, the following standard
procedures must be followed.
and A buttons
(1) In standby mode, While pressing the
x
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
: DCX1D_UC
IF-con Ver
: XX.XX (XXXX)
Syscon Ver : X.XX
(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
(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. Eg 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.
HCD-DX155/DX255
(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
OFF the DVD Player.
Page 27

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