hi to all
this tv works fine but somtimes when turn it to stby and operet it again ther is no backlight no 24v no 12v no 16.5v the pin power on when tv works ok is 1.5v and even when the problem show its 1.5v when stby 0v volltage in the fuse after thr big smoothing capi isin stby its 310v and when its works its 340v and also when the problem show its 340v
no scematic power supply is EAY4050520 MAIN BOARD EAX4043811 CHASIS LP81A its seems to me the power on pin volltage is low if so how its work?also opto diode voltage change when on /off is pressed any idia?
willyam
this tv works fine but somtimes when turn it to stby and operet it again ther is no backlight no 24v no 12v no 16.5v the pin power on when tv works ok is 1.5v and even when the problem show its 1.5v when stby 0v volltage in the fuse after thr big smoothing capi isin stby its 310v and when its works its 340v and also when the problem show its 340v
no scematic power supply is EAY4050520 MAIN BOARD EAX4043811 CHASIS LP81A its seems to me the power on pin volltage is low if so how its work?also opto diode voltage change when on /off is pressed any idia?
willyam