I have a LG china t.v. when I turned on my t.v a red vertical line appears on t.v screen.. when I try without horizontal connection only red full stop appear on center of t.v screen instead of blue horizontal line Fly back oscillate and work fine and there is heater 5 volts and also Abl circuit ok ... I replace MAIN Ic LA76810A with same number.. I also checked vertical output and found 20 voltage.. near main ic 9 voltage is ok.. what should I do plz help me.... plz plz plz
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