21" Colour Picture Tube - JCTEL A51JSY61X03(H)
This is a directly viewed 530 mm (21"), 90 degrees rectangular Full & Flat Square Picture Tube. It features a perfectly rectangular 4x3 aspect ratio flat screen. This means a larger viewing area, less reflected glare, and reduced distortion even at large angle viewing.

It has a unitized in-line gun, slotted tilted array shadow mask, black stripe screen and banded type implosion protection. It also incorporates the Self-Converging system when it is used with a newly developed Saddle - Toroid Line - Focus Deflection Yoke.

Features
• Full Rectangular and Smooth Contour Screen.
• Improved Focus Performance.
• Newly developed High Focus Voltage Electron Gun with Bi-Potential / Uni-Potential focus type.
• Black Matrix Type Stripe Screen with Pigmented Phosphor.
• Increased Brightness and Improved Contrast.
• Improved Moire Performance - Slotted Shadow Mask of Vertical Fine Pitch.
• Pincushion - Distortion Less - Pincushion Correction Circuitry not required.
• Self-Convergence Saddle - Toriod Deflection Yoke, Lower Power Consumption.
• 900 Deflection and 29.1 mm diameter neck.
• 20 inch (508.0 mm) Visual Screen (Diagonal).
• Banded Type Implosion Protection for “ Push - Through” Cabinet Design.
• Quick Heat Cathodes.
• Internal Magnetic Shields.
• Employs the “Soft - Arc System”.
• Inherent Self - Converging System and Pincushion Distortion - Free System.
• Dynamic Convergence and Pincushion correction circuitry not required.