This standard specifies requirements, test methods, inspection rules, marking, packaging, transport and storage of audio video system on board.
This standard is applicable to the integrated audio video system on board installed within the position specified in the vehicle design with the dimension of TFT LCD video image display on board less than or equal to 10.2 in.
The video performance requirements and test methods in this standard are mainly applicable to PAL system images in China, and may also be used as reference for other image systems (NTSC, etc.).
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 referenced document applies.
GB/T 191 Packaging - Pictorial marking for handling of goods (GB/T 191-2008, ISO 780: 1997, MOD)
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection (GB/T 2828.1-2003, ISO 2859-1: 1999, IDT)
GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
GB/T 3785 (All parts) Electroacoustics - Sound level meters (GB/T 3785-2010 (All parts), IEC 61672: 2003 (All parts), IDT)
GB 4208-2008 Degrees of protection provided by enclosure (IP code) (IEC 60529: 2001, IDT)
GB/T 5465.2 Graphical symbols for use on electrical equipment - Part 2: Graphical symbols (GB/T 5465.2-2008, IEC 60417 DB: 2007, IDT)
GB/T 12190 Method for measuring the shielding effectiveness of electromagnetic shielding enclosures
GB/T 15860-1995 General specification for compact disc players (neq IEC 60908: 1987)
GB/T 22630-2008 Audio video-apparatus on board electromagnetic compatibility requirement and methods of measurement
QC/T 238 Storage and preservation for automotive parts
SJ/T 10325-1992 Ambient test requirements and test methods for players for use in cars
SJ/T 10369-1993 General specification for car radio cassette player
SJ/T 10448-1993 Measuring methods of car radio cassette player and audio amplifier
SJ/T 10730-1997 General specification for Video-CD player
SJ/T 11324 Terminology of digital television receiving equipment
SJ/T 11329 Specification of interfaces for digital television receiving equipment - Part 3: Video interface of composite video blanking synchronization
SJ/T 11331 Specification of interfaces for digital television receiving equipment - Part 5: Analog audio interface
SJ/T 11348-2006 Methods of measurement for digital television flat panel displays
ITI-T Rec.J.61 Transmission performance of television circuits designed for use in international connections
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 15860-1995, SJ/T 10448-1993, SJ/T 10730-1997 and SJ/T 11324 as well as the following ones apply.
3.1
audio video system on board
electronic device on board incorporating more than two (inclusive) video and/or audio functional components
3.2
digital video disc (DVD), digital versatile disc (DVD)
12 cm/8 cm digital laser disc for compressing and recording moving images, sounds and data according to MPEG-2 standard
3.3
DVD player
device for playing DVD
3.4
dark dot
pixel defect dot caused by manufacturing, damage or other reasons, due to which the LCD (liquid crystal display) in white level state is unable to be nonopaque and alight, i.e., non-luminous dot of LCD
3.5
brightened dot
pixel defect dot due to which the LCD in black level state is unable to shade and be dimmed caused by manufacturing, damage or other reasons, i.e., non-extinguishing dot of LCD
3.6
black dot
black granular defects on the surface of DVD/CD
3.7
scratch
linear defects on the surface of DVD/CD caused by scratching by hard objects
3.8
fingerprints
fingerprint defects left on the surface of DVD/CD due to improper handling
3.9
eccentricity
maximum radial deviation between the edge when the DVD/CD is stationary and that when the DVD/CD is rotating
3.10
vertical deviation
deviation between the outer circumference of the disc and the vertical direction of the central hole due to the warp of DVD/CD, which will lead to slight up-and-down deflection of the disc surface when rotating