Sounds like bad capacitors in the power module. Open it up and inspect the circuit boards for inflated or leaked capacitors. Replace with same parameters if any.
SOURCE: We have a Sony Bravia lcd tv model KLV-S40A10 - no power
Hi,the problem is from the fuse in the tv,it's blown and it's a means of in-built security against power fluctuations from damaging the unit,so the solution is to replace the fuse of the TV to restore your unit back to a normal working condition.
Be cool.
SOURCE: sony bravia-flashing red light
I would guess your power supply board is slowly disintegrating. It is hard to tell what it is, until it finishes frying itself out. Plan on replacing the power board soon, 1-3 months maybe.
SOURCE: my sony bravia has no audio when used as cable tv
Check the connections between the cable box and the TV. If you are using scart check the connector is in squarely if using rgb or composite you need a separate audio connection using the red and white phon sockets.
SOURCE: looking for a sony bravia klv-46x350a lcd spare
Usually the LCD panel cost is around 80% of total TV price. Look for it in a center of service.
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