This standard specifies the general requirements for the functions and performance, testing methods, inspection rules, packaging, transportation, storage, etc. of laser projection television receivers (hereinafter referred to as laser television), and is the main basis for product inspection. This standard is applicable to the design, manufacturing, and inspection of laser televisions, and other laser television receiving equipment can be used as a reference. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 191-2008 Packaging, Storage and Transport - Graphical Symbols - GB/T 2828.1-2012 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Plans for Batch Inspection Retrieved by Acceptance Quality Limit (AQL) - GB/T 2829-2002 Sampling Procedures and Tables for Periodic Inspection by Attributes (Applicable to the Inspection of Process Stability) GB 3174-1995 PAL-D Television Broadcasting Technical Specification GB 4943.1-2011 Information Technology Equipment Safety Part 1: General Requirements GB/T 5271.14-2008 Information Technology Vocabulary Part 14: Reliability Maintainability and Availability GB/T5465.2-2008 Graphical Symbols for Electrical Equipment GB 7247.1-2012 Safety of Laser Products - Part 1: Equipment Classification, Requirements GB 8898-2011 Audio Video and similar electronic equipment - Safety requirements - GB/T 6882-2016- Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure methods - Precision methods for anechoic and semi anechoic rooms - GB 13000-2010 Information technology - Universal multi octet coded character set (UCS) - GB/T 9254-2008- Radio disturbance limits and measurement methods for information technology equipment
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China