Reference: WX-B-009-01
Title: Product Performance
Specification
Rev./Status: 0.1 / Draft
Model : FX15 FX25 FX55
Page
15
of
16
3.5
MECHANICAL
3.5.1 Shock
Sensitivity
Refer to Quality plan for the details of the test discs and testing method.
Requirement:
No muting, plop sounds, picture freeze/jerk or audible/visible interference when impacting with force of -
In the
±
X and
±
Y directions:
F
≥
6g / 3ms,
Δ
V = 0.06ms
In the
±
Z direction:
F
≥
4g / 3ms,
Δ
V = 0.04ms
Where g = acceleration due to gravity.
3.5.2 Thermal
Performance
Refer to Quality plan for the details of the testing method.
Requirements:
1. Set should function normally
2. Temperature rise of accessible parts such as metallic enclosures (casing) shall not exceed 40˚C
above the ambient temperature.
3. Temperature rise of PCB prints shall not exceed 85˚C
4. Temperature readings of all mechanical / electrical components and modules shall not exceed their
specification limits. The calculated junction temperature of semiconductors shall also not exceed
spec limits.
3.5.3 Noise
Specifications
Test Conditions:
Measurements are to be made inside an Anechoic Chamber (echo-free environment) with ambient noise of
less than 16dBA.
Measurements are to be taken at the following positions: -
(a) Top-Surface and at center of Front-Cabinet
(b) Front-Surface and at center of Front-Cabinet.
The microphone is to be positioned
10cm
from abovementioned surfaces.
Set Functional State
Requirement
Normal
Idle State
Standby Mode
< 20 dBA
Set On and "No Disc" mode
< 20 dBA
Tray Open/Close
Start/End peak noise
< 65 dBA
Tray running noise (RMS)
< 50 dBA
CDDA & SACD
< 35 dBA
(Stereo & Multichannel)
Play (first & last tracks)
<30dBA
Search Forward & Backward (all speeds)
<33dBA
Pause (first & last tracks)
< 28dBA
Jump Forward (first to last track)
< 38 dBA
Jump Backwards (last to first track)
< 38dBA
2-12
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