CRT filament observed failure is not lit, measuring 115V switching power supply + B terminal voltage is normal, and the line output transformer {2} feet without voltage filter capacitor C446 (33μF/220V) hot, measuring capacity is no longer under welding. When the capacitor will change with the specifications of the two pins to stay long, and away from the heat sink test machine, a sound, no raster, change the channel when there is a horizontal line in the middle of the screen. That analysis, the investigation focused on field scanning circuit for the power supply. The

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