The boarders of the image are cut off, as if the TV thinks it's larger than it is and has expanded the picture beyond the boundaries of the screen.
SOURCE: full picture not in screen
Sounds as though you have a leaking Capacitor in the horizontal section. The problem capacitor is likey to be orage in color and rated at 2kv or higher. Located next to the High Voltage transformer ( Flyback transformer ). Be very cautious if you are changing this, or any part yourself as the picture tube can charge high voltage ( up to 35,000 volts ) for a long period of time. Always discharge the picture tube first before servicing a set.
Replace the capacitor with a like part with the same or higher voltage rating and the same capacitance number ( mfd, pfc,or such ) as listed on the side of the part.
Good Luck
Ed
NC Electronic
Mills, Wyoming
SOURCE: Picture on Telefunken 72 cm TV expands beyond screen size
Your screen somehow got switched to theatre/cinema mode. There is a setting on the remote that attributes to aspect ratio. Sometimes it is called "ASPECT". Look for it, and press it until your original screen aspect shows.
SOURCE: need help adjusting the screen size on a Sony Trinitron KV-32FS13
try to adjust the yolk away from the picture tube
SOURCE: Picture is larger than display area
Check the aspect ratio settings you may have it set to 14:9 movie expand
SOURCE: Zenith 32" TV picture is larger than the TV screen size.
Adjust the Aspect ratio. The manual will tell you how.
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