IEC 62087 pdf download

IEC 62087 pdf download Methods of measurement for the power consumption of audio, video and related equipment
1 scope
This International Standard specifies methods of measurement for the power consumption ofTV receivers,VCRs,Set Top Boxes(STBs), audio equipment and multi-function equipmentfor consumer use.
Moreover the different modes of operation which are relevant for the power consumption aredefined.
The methods of measurement are only applicable for equipment which can be connected tothe mains.
The measuring conditions in this standard represent the normal use of the equipment andmay differ from specific conditions, for example as specified in safety standards.
2 Normative references
The following referenced documents are indispensable for the application of this document.For dated references, only the edition cited applies.For undated references, the latest editionof the referenced document (including any amendments) applies.
EN 50049-1，Domestic and Similar Electronic Equipment Interconnection Requirements:Peritelevision Connector
IEC 61938:1996，Audio，video and audiovisual systems – Interconnections and matchingvalues – Preferred matching values of analogue signals
IEC 60107-1:1997，Methods of measurement on receivers for television broadcast trans-missions – Part 1: General conditions – Measurements at radio and video frequencies
3 Terms, definitions and abbreviations
3.1Definitions
For the purposes of this International Standard, the following definitions apply.
3.1.1
television receiver (Tv)
appliance for the reception of television broadcast and similar services for terrestrial, cableand satellite transmission of analogue or digital signals
3.1.2
video recording equipment
appliance for recording and reproducing of video and audio signals on a recording medium,for example a magnetic tape in a cassette ,a Video Cassette Recorder (VCR) or a disc， forexample a Digital Versatile Disc (DVD) player or recorder
NOTE Appliances with only playback function are included as well.
3.1.3
Set Top Box (STB)
appliance which performs a function which is not (yet) included in the main receiver such as the reception of digital signals or of satellite signals
3.1.4
radio receiver
appliance for the reception of sound broadcast and similar services for terrestrial, cable and satellite transmissions of analogue or digital signals
3.1.5
audio equipment
stand-alone equipment or a system of separable or non-separable components for one or more audio functions
3.1.6
multi-function equipment
combination of equipment with two or more functions in one unit
3.2 Abbreviations
a.c./d.c. alternating/direct current
CRT Cathode Ray Tube
DVD Digital Versatile Disc
IF Intermediate Frequency
LNB Low Noise Broadband unit
MPEG-2 Motion Picture Experts Group 2
PS Power Supply unit
RF Radio Frequency
STB Set Top Box
SW SWitch unit
TV TeleVision receiver
VCR Video Cassette Recorder