Why is teletext display incomplete with snowy picture on my Sony KV-BT21M80 TV?
If the teletext display on your Sony TV is incomplete, showing a snowy picture or double images, check the antenna cable and connection on the TV, VCR, and at the wall. The antenna setup may also be inappropriate. If signal transmission is too low, try using a booster and use the fine tuning function.
Error codes indicated by the standby light.
Displaying error counts on screen.
Steps to safely remove the picture tube.
Adjusting beam landing for picture quality.
Adjusting color convergence for sharp images.
Performing adjustments using the remote commander.
Adjusting picture parameters for optimal display.
Overall system block diagram.
Detailed circuit schematics.
Expected voltages and waveforms at test points.
Exploded view of the TV chassis and parts.
Initial steps for setting up the TV.
Guided setup process for TV configuration.
Description of TV physical controls and ports.
Explanation of remote control buttons and functions.
Overview of the TV's menu structure.
Adjusting picture parameters like mode, color, sharpness.
Adjusting sound modes, balance, and volume.
Presetting channels and TV system settings.
Guide to diagnosing and solving common TV problems.
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