Sony HCD-ZX80D Service Manual page 19

DVD SECTION
1. DVD SERVICE MODE GENERAL DESCRIPTION
This mode let you make diagnosis and adjustment easily by using
the remote commander and the TV screen. The instructions,
diagnostic results, etc. are given on the on-screen display.
2. ENTERING DVD SERVICE MODE
Procedure:
1. Press the button to turn on the system.
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2. Press the [DVD] button to select the "DVD".
3. Press two buttons and
x
then turn the [MASTER VOLUME] knob clockwise.
4. The message "SERVICE IN" appears on the fluorescent
indicator tube and top menu of the Remocon Diagnosis Menu
appears on the on-screen display on the TV screen as follows.
The model name, IF-con version and Syscon version are
displayed at the bottom of the on-screen display.
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
Model Name :xxxxxxxxxx
IF-con:Ver.xx.xx(xxxx)
Syscon:Ver.x.xxx
5. To execute each function, press its number by using numeric
button on the remote commander.
6. To release from this mode, press the
system.
3. EXECUTING IOP MEASUREMENT
In order to execute IOP measurement, the following standard
procedures must be followed.
Procedure:
1. From the top menu of Remocon Diagnosis Menu, select "2
Drive Manual Operation" by pressing the [2] button on the
remote commander. The following screen appears on the on-
screen display
Drive Manual Operation
1. Servo Control
2. Track/Layer Jump
3. Manual Adjustment
4. Mecha Test Mode
5. MIRR time Adjust
0. Return to Top Menu
simultaneously and
Z OPEN/CLOSE
button to turn off the
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2. Select "3. Manual Adjustment" by pressing the [3] button on
the remote commander. The following screen appears on the
on-screen display.
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:
Change Value
V v
[RETURN]Return to previous menu
3. Select "6. Iop:" by pressing [6] button on the remote
commander.
4. Wait until a hexadecimal number appear in the on-screen
display 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: ED:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
Change Value
V v
[RETURN]Return to previous menu
5. Convert data from hexadecimal to decimal by using conversion
table.
6. Please find the label on the rear of the BU (Base Unit). The
default IOP values is written in the label.
7. Subtract between these two values.
8. If the value is smaller than 93 (decimal), then it is OK. However
if the value is higher than 93, then BU (base unit) is defective
and need to be change.
9. Press the button on the remote commander to
O RETURN
return to previous menu.
10. Press the [0] button on the remote commander to return to the
top menu of Remocon Diagnosis Menu.
11. Press the button to turn off the system.
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HCD-ZX80D/ZX100D
Ver. 1.2
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