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Sound on my Logik TV
change the memory of you tv..it is an IC with 8 pins near the front panel.if not working, change all the button switch
Only half screen
I have seen this problem before bad IC on vertical circuit or bad capacitors, I would start by checking the caps and then move on to checking the IC( integrated circuit)voltage in, voltage out with dvm.
No picture displaying but sound coming through ok
Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Viewing it in "Mosaic
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