Fujitsu MAJ3364MP Manual/User Guide - Page 61
Read channel LSI, MAJ3182, MAJ3091 Series
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(4) 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. Table 4.1 Surface temperature check point No. Measurement point 1 Center of DE cover 2 Read channel LSI 3 VCM/SPM Driver 4 HDC Criteria 55°C 83°C 92°C 85°C MAJ3364 Series 3 2 1 MAJ3182, MAJ3091 Series 1 4 3 2 MAH Series 1 4 4 3 2 Figure 4.8 Surface temperature measurement points 4 - 8 C141-E103-02EN
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