Question about Sony KP-53V90 53" Rear Projection Television
The standby light flashes 5 times. I called the support line and they told me "service required." What component could it be?
Your problem is Video Out Anormality detection
Video out, Q705, 732, 761, and others in C board
Posted on Sep 08, 2008
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Posted on Jan 02, 2017
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AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.
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