Sony ODS-D280U Service Manual page 66

Optical disc archive drive unit
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Code
Description
02-920
Data was played with the
maximum laser output in op-
tical block assembly Ch-1A.
(On side 0)
02-9A0
Data was played with the
maximum laser output in op-
tical block assembly Ch-1B.
(On side 0)
03-054
A signal from the disc re-
quired for focus servo of op-
tical block assembly Ch-0A
cannot be detected. (On side
0)
03-0D4
A signal from the disc re-
quired for focus servo of op-
tical block assembly Ch-0B
cannot be detected. (On side
0)
ODS-D280U/ODS-D280F
Error remedy method
1.
Eject a cartridge.
2.
Check laser parameter 1 of hours meter.
When laser parameter 1 of hours meter has:
not reached the end of replacement cy-
cle:
There is something wrong with the op-
tical or electrical system in optical
block assembly (OP-1).
reached the end of replacement cycle:
It is likely laser in optical block as-
sembly (OP-1) reached to the end of its
life cycle.
3.
Replace optical block assembly (OP-1).
1.
Eject a cartridge.
2.
Check laser parameter 1 of hours meter.
When laser parameter 1 of hours meter has:
not reached the end of replacement cy-
cle:
There is something wrong with the op-
tical or electrical system in optical
block assembly (OP-1).
reached the end of replacement cycle:
It is likely laser in optical block as-
sembly (OP-1) reached to the end of its
life cycle.
3.
Replace optical block assembly (OP-1).
1.
Eject a cartridge.
2.
Insert again the ejected cartridge.
When no error occurs, use the unit as
it is.
When an error occurs, go to step 3) in
Measures.
3.
Insert another cartridge.
In the case no error occurs:
The ejected cartridge is likely to be
faulty.
In the case the error occurs:
Drive trouble is likely.
4.
Check the carry loader assembly installation
status.
Note
If the carry loader assembly is abnormally
installed, disc chucking is not performed
successfully and focus servo may fail.
1.
Eject a cartridge.
2.
Insert again the ejected cartridge.
When no error occurs, use the unit as
it is.
When an error occurs, go to step 3) in
Measures.
3.
Insert another cartridge.
In the case no error occurs:
The ejected cartridge is likely to be
faulty.
In the case the error occurs:
Drive trouble is likely.
4.
Check the carry loader assembly installation
status.
Note
If the carry loader assembly is abnormally
installed, disc chucking is not performed
successfully and focus servo may fail.
Refer to section
"3-1. Periodic Inspection"
"4-30. Main Base Assembly"
"5. Adjustment of Optical Drive
System"
"3-1. Periodic Inspection"
"4-30. Main Base Assembly"
"5. Adjustment of Optical Drive
System"
"3-1. Periodic Inspection"
"4-11. Carry Loader Assembly"
"4-30. Main Base Assembly"
"5. Adjustment of Optical Drive
System"
"3-1. Periodic Inspection"
"4-11. Carry Loader Assembly"
"4-30. Main Base Assembly"
"5. Adjustment of Optical Drive
System"
Continued
2-18

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