Computer monitor display is not normal! ! ! !

Users questions: Brother Will you master, master TCLMF767 display, only the lower part of the normal display, the level of the upper part is compressed into a bright line. Tubes can be said that problems like the
Experts answer: that Hello: - 1, the fault belongs to the "field sawtooth" linear distortion. Not "two field management Burn one! "Otherwise you will now: , (pipe blown way) no output field frequency, a horizontal bright lines appear; (pipe burning short circuit) to another sub-turn just when the market power will short-circuit, and the other A tube will be damaged! - 2, in fact, the fault is not large, generally sawtooth form field capacitance Drop due to leakage. Closer inspection, replacement can be.
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