Sony ODS-D280U Service Manual page 101

Code Description
37-901 The temperature sensor of
the optical block assembly
Ch-0A detected a value equal
to or greater than the opera-
tion limit temperature. (On
side 0)
37-A01 The temperature sensor of
the optical block assembly
Ch-0B detected a value equal
to or greater than the opera-
tion limit temperature. (On
side 0)
ODS-D280U/ODS-D280F
Error remedy method
1. Eject the cartridge.
2. Check whether there is any obstacle that
blocks air flow from the fan exhaust outlet
and to the air vents (front/rear).
3. Check the ambient temperature of this unit.
4. Startup the maintenance menu and perform
FAN MOTOR.
When this operation fails, check the instal-
lation of the relevant fan and the cable con-
nection.
• 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.)
5. Check the installation status of the heatsink
on the BI-353 board (ODS-D280U) /BF-92
board (ODS-D280F).
6. Check the air filter.
• If the air filter is significantly conta-
minated, replace it.
1. Eject the cartridge.
2. Check whether there is any obstacle that
blocks air flow from the fan exhaust outlet
and to the air vents (front/rear).
3. Check the ambient temperature of this unit.
4. Startup the maintenance menu and perform
FAN MOTOR.
When this operation fails, check the instal-
lation of the relevant fan and the cable con-
nection.
• 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.)
5. Check the installation status of the heatsink
on the BI-353 board (ODS-D280U) /BF-92
board (ODS-D280F).
6. Check the air filter.
• If the air filter is significantly conta-
minated, replace it.
Refer to section
"1-9. Location of Sensors and
Their Functions"
"3-2-5. Cleaning after Operation
in Special Environment"
"4-9. Fan 40 Assembly (RP) and
Fan 60 Assembly (RP)"
"4-19. BI-353/BF-92 Board"
"4-26. Air Filter"
"6-4-2. FAN MOTOR"
"1-9. Location of Sensors and
Their Functions"
"3-2-5. Cleaning after Operation
in Special Environment"
"4-9. Fan 40 Assembly (RP) and
Fan 60 Assembly (RP)"
"4-19. BI-353/BF-92 Board"
"4-26. Air Filter"
"6-4-2. FAN MOTOR"
Continued
2-53