Chinese national standard specifying technical, safety, and test requirements for laser turntables used in home audio systems.
About this manual
This document defines the technical requirements, test methods, inspection rules, markings, packaging, transportation, and storage conditions for laser turntables and related audio system components. It applies to various household laser turntables and relevant parts of home audio systems.
The standard covers mechanical appearance, electrical performance, safety, electromagnetic compatibility, environmental adaptability, reliability, audio quality, and detailed test procedures, providing tables of performance parameters and test limits. This manual is written in Chinese.
What's inside
- Scope
- Terms and Definitions
- Technical Requirements
- Mechanical Appearance Requirements
- Electrical Performance Requirements
- Safety Requirements
- Interference Characteristics Requirements
- Environmental Adaptability Requirements
- Reliability Requirements
- Audio Quality Requirements
Specifications
| Frequency Response | Not specified |
|---|
| Signal‑to‑Noise Ratio | Not specified |
Frequently asked questions
What safety tests are required for a laser turntable?
The standard lists safety test items and methods in a table, covering laser radiation, temperature rise, electric shock danger, insulation, mechanical strength, and electromagnetic compatibility.