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Sony KP46WT520 blinks three times

I have the same problem. I try to turn my KP46WT520 on and the standby light blinks three times and the TV won't power on. Where can I find transsistor T603 and Resistor R672? Is this something I can fix myself? Thanks.

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They are on the main power supply board. Yes if you can solder and are careful around the high voltage items such as T60s you should be able to do the repairs easily. I would recomend a service manual however. If you would like a link to get the service manual and parts let me know

Posted on Mar 17, 2008

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My Sony wega tv won't turn on goes into standby red light blinks 10 times then shuts off?


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Sony Wega kp46wt520 no power up, 9 times it blinks red


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Tv went off while watching a program power standby red light blinks 6 times then pauses then repeats tried unplugging unit waiting a few minutes then replugged same results nothing. can anyone help me ?...


Here's an excerpt from the Sony Manual online. And the link - http://esupport.sony.com/US/perl/webtree.pl?template=EN&mdl=KDF55XS955&content_id=68&category_id=11&problem_id=52

The POWER/STANDBY (red) indicator flashes three times
If your power/standby indicator is flashing in a pattern of three flashes, this may indicates that the lamp cover is not attached securely. Follow the directions in the Operating Manual under changing your lamp that related to closing and securing the Lamp Cover. Ensure that the Lamp Cover Door is securely fastened by tightening each screw.

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Is it the power light and not the lamp light? If the lamp light is flashing then replace the lamp.

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This is usually an indication of a failure in the scan amplifier sections. When the scan amplifiers or high voltage sections fail, the main power supply will usually also require servicing.

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Jerry G.

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Can you confirm that the model number of your set is KP46WT520 as I dont want to give you the wrong information.

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