1 Scope
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
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
4.1 General requirements
4.1.1 Product document requirements
4.1.2 Ambient conditions
4.1.3 Working voltage range
4.2 Requirements for shape, appearance structure and parts and components
4.2.1 Shape
4.2.2 Appearance structure
4.2.3 Parts and components
4.3 Requirements for interconnection matching
4.3.1 Input/output interface of products
4.3.2 Interconnection cable
4.4 Functional requirements
4.4.1 Product function composition
4.4.2 Compatibility of DVD player
4.4.3 Safety control function of products
4.4.4 Specific functional requirements of each part of the product
4.5 Performance requirements
4.5.1 DVD player performance
4.5.2 Performance of digital tuning AM/FM receiver
4.5.3 Audio power amplifier performance
4.5.4 Performance of TFT LCD video image display on board
4.5.5 Disc-reading capability of DVD player
4.6 Electromagnetic compatibility requirements
4.6.1 Emission characteristics of transient voltage
4.6.2 Disturbance voltage characteristics at antenna terminals
4.6.3 Characteristics of radiation disturbance field strength
4.6.4 Transient conducted immunity of typical pulse waveform
4.6.5 Radiation immunity
4.6.6 Electrostatic discharge
4.7 Requirements for environmental adaptability
4.7.1 High temperature load
4.7.2 High temperature storage
4.7.3 Low temperature load
4.7.4 Low-temperature storage
4.7.5 Alternating damp-heat
4.7.6 Thermal shock
4.7.7 Thermal cycle
4.7.8 Vibration resistance
4.7.9 Mechanical shock
4.7.10 Free drop
4.7.11 Dust resistance
4.7.12 Salt spray resistance
4.8 Reliability requirements
4.8.1 Mean time between failures
4.8.2 Service life of mechanical parts and components
4.9 Requirements for adaptability of power supply
4.9.1 Power supply voltage adaptability
4.9.2 Resistance to the reverse connection of polarity of power supply
4.9.3 Resistance to power supply overvoltage
4.9.4 Rated power consumption of whole machine
4.9.5 Closed-circuit current draw (dark current) of whole machine
5 Test method
5.1 General test conditions
5.1.1 Documents for test
5.1.2 Test environment
5.1.3 Temperature deviation
5.1.4 Power supply used for the sample during the test
5.1.5 Accuracy of the test instruments
5.2 Inspection for shape, appearance structure, parts and components, and interconnection cables
5.2.1 Inspection for shape, appearance structure and parts and components
5.2.2 Inspection for interconnection cable
5.3 Function inspection
5.4 Standard conditions for the measurement of properties
5.4.1 Environmental conditions
5.4.2 Test terminal
5.4.3 Test disc
5.4.4 Filter
5.4.5 Additional conditions for the determination of performance of AM/FM and audio power amplifier
5.5 Determination of performance of DVD
5.5.1 Determination of composite video performance
5.5.2 Determination of audio performance of DVD
5.5.3 Determination of characteristics of reading access time
5.6 Determination of performance of CD-DA
5.7 Determination of performance of AM/FM digital tuner
5.7.1 Determination of performance of AM
5.7.2 Determination of performance of FM
5.8 Determination of performance of audio power amplifier
5.8.1 Schematic diagram of test
5.8.2 Determination of performance parameter
5.9 Determination of performance of on-board TFT liquid crystal display
5.9.1 Brightness
5.9.2 Contrast
5.9.3 View angle
5.9.4 Horizontal definition
5.9.5 Number of pixel defects
5.9.6 Intrinsic resolution
5.10 Disc reading capability test
5.11 Electromagnetic compatibility test
5.11.1 Test of transient voltage emission characteristic
5.11.2 Test of disturbance voltage characteristics at antenna end
5.11.3 Test of radiation disturbance field strength
5.11.4 Test of conducted immunity of typical pulse waveform
5.11.5 Radiation immunity test
5.11.6 Electrostatic discharge test
5.12 Environmental adaptability test
5.12.1 Sample inspection before test
5.12.2 Test grouping and sequence
5.12.3 Test procedures
5.12.4 Initial inspection and main performance items to be measured
5.12.5 High temperature load test
5.12.6 High temperature storage test
5.12.7 Low temperature load test
5.12.8 Low temperature storage test
5.12.9 Alternating humid heat test
5.12.10 Thermal shock test
5.12.11 Thermal cycle test
5.12.12 Vibration resistance test
5.12.13 Mechanical shock test
5.12.14 Drop test
5.12.15 Dust test
5.12.16 Salt spray test
5.13 Reliability test
5.13.1 Mean time between failures (MTBF) test
5.13.2 Life test of mechanical parts
5.14 Power supply adaptability test
5.14.1 Power supply voltage adaptability test
5.14.2 Test on resistance to the reverse connection of polarity of power supply
5.14.3 Test on resistance to power supply overvoltage
5.14.4 Measurement of rated power consumption of whole machine
5.14.5 Measurement of closed-circuit current draw (dark current) of whole machine
6 Inspection rules
6.1 Type approval inspection
6.1.1 Inspection items, requirements and methods
6.1.2 Sample sampling
6.1.3 Judgment of inspection acceptance
6.1.4 Processing of inspection results
6.2 Acceptance inspection
6.2.1 Inspection items
6.2.2 Sampling scheme
6.2.3 Defect classification and criteria
6.2.4 Judgment of inspection batch acceptance or nonconformity
6.2.5 Processing of inspection results
6.2.6 Sample processing
6.3 Routine inspection
6.3.1 Inspection procedures, items and methods
6.3.2 Sampling scheme
6.3.3 Defect classification and criteria
6.3.4 Judgment of acceptable products and nonconforming products
6.3.5 Judgment of inspection batch acceptance or nonconformity
6.3.6 Processing of inspection results
6.3.7 Sample processing
7 Marking, labeling, packaging, transport and storage
7.1 Marking
7.1.1 Product marking
7.1.2 Marking of packaging box
7.2 Labeling
7.3 Packaging
7.4 Transport
7.5 Storage
Annex A (Informative) Supplementary explanations of performances and test methods
