This standard applies to the quality classification of brightness delay lines used in color television broadcast receivers. This standard only gives key technical indicators and is not a complete standard. It must be used together with SJ 2974-88 "Detailed Specifications for Luminance Delay Lines for YTS Type Color Television Broadcast Receivers".
SJ/T 9573.1-1995 history
1970SJ/T 9573.1-1995 Quality grading standard for luminance delay lines of color television receivers