Surface Temperature Measurement Points; Surface Temperature Check Point - Fujitsu MAH3182MC Maintenance Manual

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Environmental temperature
Temperature condition at installed in a cabinet is indicated with ambient temperature measured 3
cm from the disk drive. At designing the system cabinet, consider following points.
Make a suitable air flow so that the DE surface temperature does not exceed 55°C.
Cool the PCA side especially with air circulation inside the cabinet. Confirm the cooling effect
by measuring temperature of specific ICs and the DE. These measurement results should be
within a criteria listed in Table 4.1.
No.
MAJ3364 Series
1
MAJ3182, MAJ3091 Series
1
MAH Series
1
4 - 8
Table 4.1

Surface temperature check point

Measurement point
1
Center of DE cover
2
Read channel LSI
3
VCM/SPM Driver
4
HDC
4
Figure 4.8 Surface temperature measurement points
C141-E103-01EN
Criteria
55°C
83°C
75°C
85°C
3
2
4
3
2
4
3
2

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