TECHNICAL SPECIFICATION
1-22
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.
4.1.3 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 above mentioned 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
Stop to Play peak noise < 35 dBA
(Stereo & Multichannel)
Play (first & last tracks) <30 dBA
Search Forward & Backward (all speeds) <33 dBA
Pause (first & last tracks) < 28 dBA
Jump Forward (first to last track) <38dBA
Jump Backwards (last to first track) <38dBA
Commercial Disc
Stop to Play peak noise < 35 dBA
Play (inner & outermost title, Layer 0) < 30dBA
Search Forward & Backward (all speeds) < 35 dBA
Pause (inner & outermost title, Layer 0) < 30 dBA
Jump Forward (inner to outermost title) < 40 dBA
Jump Backwards (outer to innermost title) < 40 dBA
Layer Jump (layer 0 to layer 1) < 40 dBA
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