Hitachi CML176SXW, Service Manual

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7. MECHANICAL REQUIREMENTS
7.1 Vibration and Shock
All testing shall be done in each of three mutually perpendicular axes, referenced to the
position of the system as it is in front of the user (i.e., front-to back, side-to-side, and top-to-
bottom).
7.1.1
7.2.1
Drop Test Sequence
27.3~45.4Kg 0.46
m
18.3~27.2Kg 0.61
m
9.2~18.2
K
g 0.66
m
<9.1
K
g 0.76
m
Product Weight
H
eight
Specs
7.2 Package Drop Specification
Listed below are standards of drop heights for monitor product
Random Vibration:
0.008G
2
/Hz, 10 to 500Hz, nominal 2 GRMS. The test shall be for
one hour for each of the three axes.
Sinusoidal Vibration:
0.75G zero-to-peak, 10 to 500Hz, 0.5 octave / minute sweep rate.
This requires one sweep, 10 to 500 to 10Hz, along each of the three axes.
The unit should suffer minimal visible cosmetic damage or damage that presents a safety
hazard, or impairs the setup and operation of the system after testing.
Non-Operating
Drop Order Drop point Drop Times
1 Right Front Bottom Corner 1
2 Right Bottom Edge 1
3 Right Front Edge 1
4 Front Bottom Edge 1
5 Bottom Side 1
6 Top Side 1
7 Front Side 1
8 Back Side 1
9 Left Side 1
10 Right Side 1
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