1 Scope
This standard specifies the measurement methods and inspection rules for the energy efficiency grades, minimum allowable values of energy efficiency, evaluating values of energy conservation, energy efficiency and passive standby power of flat panel televisions.
This standard is applicable to LCDTV and PDPTV (hereinafter referred to as flat panel television) with main functions of receiving, demodulating and displaying the wired, satellite or other analog and digital signals under the normal operation of network voltage; it is also applicable to displayers circulated as TV products without tuners.
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 edition of the normative document (including any amendments) applies.
GB 3174 Specifications of PAL-D Television System
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgment of Limiting Values
GB/T 14857 The Specifications of Encoding Parameters of Digital Television for Studio
GB/T 17309.1 Methods of Measurement on Receivers for Television Broadcast Transmissions Part 1: General Considerations Electrical Measurements at Radio and Video Frequencies and Measurements on Displays
GB/T 17975.1 Information Technology - Generic Coding of Moving Pictures and Associated Audio Information - Part1: Systems (ISO/IEC 13818-1：2007，MOD)
GB/T 17975.2 Information Technology - Generic Coding of Moving Pictures and Associated Audio Information - Part 2: Video
GB/T 17975.3 Information Technology - Generic Coding of Moving Pictures and Associated Audio Information - Part 3: Audio
GB 20943 Minimum Allowable Values of Energy Efficiency and Evaluating Values of Energy Conservation for Single Voltage External AC-DC And AC-AC Power Supplies
GY/T 155 Video Parameter Values for the HDTV Standard for Production and Programme Exchange
SJ/T 11324 Terms of Digital Television Receiving Equipment
SJ/T 11348 Methods of Measurement for Digital Television Flat Panel Displays
IEC 62087:2011 Methods of Measurement for the Power Consumption of Audio, Video and Related Equipment
3 Terms and Definitions
For the purpose of this standard, the following terms and definitions and the ones in SJ/T 11324 apply.
3.1
On mode
Flat panel televisions are powered on and then they generate sound and/or images.
3.2
Passive standby mode
Flat panel televisions are powered on, but they don't generate any sound or image; whereas they can be switched to off/on mode with remote control or other external signals.
3.3
Passive standby power
The active power being measured when flat panel television is in passive standby mode according to the measuring method specified in this standard, W.
3.4
On mode static power
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Technical Requirements
5 On Mode Power
6 Calculation of Energy Efficiency Index for Flat Panel Televisions
7 Measuring Methods
8 Inspection Rules
Appendix A (Normative) Measuring Method of Energy Efficiency for Flat Panel Television
Appendix B (Normative) Measuring Method of Passive Standby Power for Flat Panel Television
Appendix C (Informative) Procedure to Adjust the Luminance and Contrast of Image
