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Re: sony kp57hw40 52 in. televison
This can be caused by a problem within the "D" board or a bad CRT. If
the D board can be fixed, that would be the least expensive repair.
Even so, this will require a service tech. Depending on the cost of
an estimate, you could call a service tech and explain that the TV may
need a "D board" and try to get it serviced. If the D board
replacement does not fix the problem, the CRT would be next. Maybe the
service tech would allow you to pay a small fee for the experiment and
a fixed service cost if it is the D board.
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Is this blue screen on all inputs (HDMI, etc.), or just on the one?
Does the remote control work, can you get the menu to display, is there any sound?
If no sound and picture, no menu etc., might be a software problem, the main PCB, or a missing voltage on this board.
your capacitors are are bad open it up check the capacitors with any bulges in them and then go to radioshack and buy the capacitor with the same rating to replace. It is actually very simple. If it is under warranty still take it back
Can you confirm the actual model number of this set? Some had issues with the picture tubes being bad but depending on model number there may be a fairly easy way to adjust around this to correct the issue.