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KDL-40w3000 - no picture- standby led blinks 13 times, then stops and goes back into 13 blink cycle. Have powered off and reset but still same problem - had a guy from years come by to look at it and he indicated that the led panel was shot - I was not home at the time so I don't know if he did anything other than confirm the blinking and by the diagnostics, 13 blinks indicates a bad led panel - anything I can do from here?

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Hi. 13 blinks means faulty balancer board (ETC-Inverter MT Boardsin Sony jargon) or LCD panel, which icludes backlight system.

If backlight fires up , then the balancer board is OK, and the LCD panel must be replaced.

As first step I suggest calling sony and asking waht quote they can give you on the repair.

Try also leaving power cord unplugged for ten minutes and see if TV restart afterward.

Note:This is not a LED TV, fault is either balancer, that is the board supplying power to the backlight system, or the LCD panel that incorporates the backlight lamps.

Note2:Even if Sony does not sell spare replacement lamps, and lamps are incorporated in panel, some skilled technician managed to repair this problem using generic CCFL tubes. Here the description. The replacement of LCD display (over $1000) is otherwise considered not worth.

I uploaded here inverter replacement instructions. It is an extract from service manual. Click on the picture to enlarge.

Here all parts, scroll to find the inverter.

Here all parts for your set.

Posted on Aug 27, 2010

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