Sony ODS-D280U Service Manual page 99

Optical disc archive drive unit
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Code
Description
34-720
A sensor (PH2 or PH3) error
on the SM-48 board was de-
tected.
34-739
A position sensor (SE1) error
on the SM-48 board was de-
tected.
34-740
The PH1 or PH2 sensor on
the SM-45 board or the PH1
or PH2 sensor on the SM-50
board detected an abnormal-
ity.
*1:
For the ODS-D280F, perform "Eject" operation from the PC (or host device) or press the EJECT button on the rear of the drive to eject
the cartridge.
Note
EJECT button operation or power off/on operation may generate another alarm code.
ODS-D280U/ODS-D280F
Error remedy method
1.
Press the EJECT button to eject the car-
tridge.
*1
If the cartridge is not ejected, take the fol-
lowing measures.
Turn off and on the drive. Press the
EJECT button after startup to eject the
cartridge.
If the cartridge is not ejected even after
this operation, eject it manually.
2.
Turn off and on the drive.
If this problem still remains, go to the next
measure.
3.
Check the select loader assembly installation
status.
1.
Press the EJECT button to eject the car-
tridge.
*1
If the cartridge is not ejected, take the fol-
lowing measures.
Turn off and on the drive. Press the
EJECT button after startup to eject the
cartridge.
If the cartridge is not ejected even after
this operation, eject it manually.
2.
Turn off and on the drive.
If this problem still remains, go to the next
measure.
3.
Check the select loader assembly installation
status.
1.
Press the EJECT button to eject the car-
tridge.
*1
If the cartridge is not ejected, take the fol-
lowing measures.
Turn off and on the drive. Press the
EJECT button after startup to eject the
cartridge.
If the cartridge is not ejected even after
this operation, eject it manually.
2.
Turn off and on the drive.
If this problem still remains, go to the next
measure.
3.
Check the carry loader assembly installation
status.
4.
Check the flexible flat cable connections.
Between SM-45 board and PP-61 board
Between PP-61 board and BI-353 board
(ODS-D280U) or BF-92 board (ODS-
D280F)
Improper connection (half insertion or
oblique insertion)
Damage to connectors
Significant scratches or disconnection
of flexible flat cables
Damage or contamination at connect-
ing parts (Unplug flexible flat cables.)
Refer to section
"1-9. Location of Sensors and
Their Functions"
"1-10. How to Eject the Car-
tridge (ODS-D280F)"
"1-11. How to Eject the Car-
tridge Manually"
"4-10. Select Loader Assembly"
"1-9. Location of Sensors and
Their Functions"
"1-10. How to Eject the Car-
tridge (ODS-D280F)"
"1-11. How to Eject the Car-
tridge Manually"
"4-10. Select Loader Assembly"
"1-9. Location of Sensors and
Their Functions"
"1-10. How to Eject the Car-
tridge (ODS-D280F)"
"1-11. How to Eject the Car-
tridge Manually"
"4-11. Carry Loader Assembly"
"4-17. SM-45 Board"
Continued
2-51

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