21 Tv Kit

The term "21 tv kit" primarily refers to universal CRT (Cathode Ray Tube) TV chassis boards designed for the repair, restoration, or DIY assembly of 21-inch color televisions. While the consumer market has shifted to LCD/LED, this niche persists due to a surge in retro gaming and the maintenance of legacy industrial equipment AlibabaAlibaba.

1. Product Core & Specifications

A "21 TV kit" is typically a complete electronic assembly (PCB) that acts as the "brain" of a CRT television. It allows technicians to replace a failed original board while keeping the existing glass tube functional Alibaba.

* Standard Components: Includes the main motherboard, Flyback Transformer (FBT) for high-voltage generation (20–28 kV), remote control, and deflection yoke connectors AlibabaIndiamart.

* Universal Compatibility: Most modern kits are "universal," meaning they can be tuned to work with various 21-inch tube brands (e.g., Sony, Philips, Panasonic) by adjusting internal voltage settings AlibabaAlibaba.

* Pricing: Wholesale prices generally range from $7.00 to $12.00 per kit, with Minimum Order Quantities (MOQ) typically starting between 20 and 50 units AlibabaAlibaba.

2. Market Trends & Insights

* The "Retro-Analog" Surge: The strongest driver is the retro gaming market, projected to reach $8 billion by 2033 Alibaba. Enthusiasts seek 21-inch CRTs for their zero input lag and native rendering of 240p/480i signals, which modern flat screens struggle to replicate Alibaba.

* Supply Chain Shift: Since new CRT glass is no longer manufactured due to environmental (RoHS) regulations, the market has pivoted from selling complete TVs to selling repair kits and universal boards to extend the life of existing hardware AlibabaAlibaba.

* Regional Demand: Strongest manufacturing and supply hubs remain in China (Guangdong and Sichuan provinces) and India, serving both local technical education markets and global hobbyists IndiamartIndiamart.

3. Key Sourcing Options

Current market offerings include ultra-slim kits for space-saving designs and original-style universal boards for maximum compatibility.