Question about Sony KDL40EX400 40 in. HD-Ready TV
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Posted on Jan 02, 2017
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Nov 17, 2013 | Sony FD Trinitron WEGA KV-34HS420 34" TV
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Three blinks - B+
over voltage protection (OVP), unit goes to the standby mode then
displays the 3 blink fault. This is also a problem in the power
supply circuit, check T603 and R672.
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