I have an aiwa 14 inch tv. the problem is. it turns to a stand by mode after a few minutes of a normal operation. then push the power button on the remote and the tv operates again and back to stand by mode after a few minutes
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" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
Do a search by type in the brand name of your device at its search box.
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