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Sony cuts off - red standby flashes three times

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Re: sony

Have same problem
Blinks 7-8 times.Have every board from another unit. Replaced three boards near power cord. Still nothing

Posted on Oct 04, 2011

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Re: sony

# blinks means B+ over voltage protection is shutting your tv down. Problem in your power supply. ChecK transsistor T603 and Resistor R672. What model do you have and I can help diagnose it in more detail for you. Let me know

Posted on Jan 08, 2008

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Sony grand wega kdf 60wf655 will not start up. red light blinks three times. lamp replaced a year ago.

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Here's an excerpt from the Sony Manual online. And the link -

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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3 blinks in sony sets means B+ over current protection shutdown. Problem in power supply Check Transistor T603 And Resistor R672. Hope this helps let me know if you need any further assistance.

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