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Installation Requirements
3-4 C156-E205-01EN
3.1.4 Temperature rise under several conditions
Table 3.2 Temperature at each measuring point (Reference)
[Ambient atmospheric temperature of the optical disk drive: 45°C] (°C)
Measurement point Ready Random seek Criteria
Inside cartridge 47°C 54°C 55°C
IC (controller) surface 51°C 68°C 90°C
IC (read amp.) surface 48°C 90°C 95°C
IC (power amp.) surface 47°C 78°C 90°C
Thermal sensor 47°C 55°C
!
Notes:
1. The above data are data estimated as they were measured where the
temperature surrounding the equipment was kept at 45 °C, using that at
25 °C. They are not the same as the data obtained from measurements
using the exclusive box in which the equipment is normally used.
2. When using the box, the ambient temperature around the equipment will
differ depending on the air circulation conditions of the box, and the
temperature rise inside the cartridge will differ because of this, so please
exercise caution.
3.1.5 Air purity
Air purity in the device environment is expressed by the number of dust particles
per unit area and must be class 5 millions (equivalent to 0.15 mg/m
3
) or less.
(Class 5 millions: 5 millions dust particles of 0.5 um dia. or larger per cubic foot)