Sony HCD-BC150 Service Manual page 90

HCD-BC150/BC250
3-5. EXECUTING IOP MEASUREMENT
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.
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-1790_UC2
IF-con Ver : 1.000 (5B84)
Syscon Ver : 1.81
(2) Select "2. Drive Manual Operation" by pressing the 2
key 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 key 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 6 key on the remote commander.
18
(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. ED 9E:
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 RETURN to return back to previous menu.
(10) Press 0 to return to Top Menu and power OFF the DVD
Player.