Question about Televison & Video
You have to adjust the capacitance value of the capacitor connected to yoke. The capacitor bypasses the scan output signal to yoke. It can be located at the main board. Connected to the collector of the horizontal output to deflection yoke. Decreasing its capacitance value will decrease the width of the picture, and increasing will do vice versa.
Refer any circuit diagram to horizontal scan section to locate this capacitor on board.
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Posted on Apr 10, 2015
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Posted on Jan 02, 2017
If its only the wide of the screen the problem is with the horizontal transistor near of the flyback, you can also probe the capacitors near, if the problem continues try to change or reconfigurate the EEPROM
Posted on Jun 20, 2009
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