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3-3. SCREEN (G2)
LAYOUT OF EACH CONTROL
Purity magnet BMC (Hexaploe) magnet V STAT convergence magnet Y-splitting axis correction magnet
SCREEN G2 ADJUSTMENT
1. 2. 3. 4. Input a dot signal from the pattern generator. Set the Picture, Brightness and Colour to minimum. Apply 175V DC from an external power supply to the R, G and B cathodes of the CRT. Whilst watching the picture, adjust [SCREEN G2] located on the FBT [flyback transformer] to the point just before the flyback return lines disappear.
3-4. FOCUS
1. 2. 3 Receive a television broadcast signal. Normalise the picture setting. Adjust the focus control located on the FBT [flyback transformer] to obtain the best focus at the centre of the screen. Bring only the centre area of the screen into focus, the magenta-ring appears on the screen. In this case, adjust the focus to optimize the screen uniformly.
Fig 3-6 Note : If you are unable to adjust the corner convergence properly, this can be corrected with the use of permalloys.
