Having problems with your LG 500LC Monitor ?

Microtek flatvision display horizontal continuous moving.

\015 Hi ,my microtek flatvision display horizontal continuous moving & automatically display compressed ,expand,tilt etc.in short i see moving character with raster & automatically change function but doesn't work function button at all.when i chacked smps voltage it's ok, even changed stv 7778 ic but the problem is same as above.\015

Answers :

That is problem of diode near EHT that diode connected to big heat sink having three leads two series diodes in one diode replace it even meter shows ok .If persists then check mosfet irf 630 and path of its gate touch heat sink if it overheats then yoke is faulty replace it
Repair Help & Product Troubleshooting for LG 500LC Monitor

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