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Hitachi model 60v715 tv turns on with sound but no picture. Just replaced lamp but blue light will only stay on for few seconds then blue light will blink intermediately. Please help.

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Hello,
Problem is in either power supply or bet - the Y-Sustain board.
The Y-Sustain is a relatively large board out of which go connections to the side of the display; it's therefore closer to either the left or the right side of the display, has at least one rather large heat sink on it and fat power cables connecting it to the main power supply.
Often there are fuses on that board - one or more. Check those.
if they are blown you can try to replace them, but expect them to blow again - usually the whole board needs to be replaced.
often that *needs* to be done in a service center as there are some adjustments to be made after replacement; don't know about this particular TV model, but it's a common thing for the flat panel TV.
Hope this helpout....

Posted on Aug 08, 2010

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