Fujitsu MAN3735MC Manual/User Guide - Page 58
VCM/SPM Driver, Read channel LSI
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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 5 MPU Criteria 55°C 90°C 92°C 89°C 88°C MAN Series 1 4 3 2 5 Figure 4.6 Surface temperature measurement points (5) Service clearance area The service clearance area, or the sides which must allow access to the IDD for installation or maintenance, is shown in Figures 4.7. 4 - 6 C141-E128-01EN
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