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My 32inch flay won't stay on. Turns on for about 30 seconds then goes to blank screen with no power. Like its going into standby, but with no lights

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Power supply issue.

Posted on Dec 23, 2016

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My Sony tv won't power on its goes on then stays blinking on standby 14 blinks on red


Try unpluging the tv for several minutes and then plug it back in and turn it on and see if that helps

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My Sony 32inch is blinking in standby mode and won't turn on


Sorry to tell you this i have the same TV.I have just checked the manual it says TO count how many times the light flashes in 3 second intervals.Then turn the tv off and un plug it from the mains.Sorrry then you will have to ring the Sony service centre and explain the problem.

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My Compaq 172 monitor won't stay on but for maybe 30 seconds then goes blank. When it does this, the on/off button is still lit up, but I have to lush it manually to get it back on for about another...


Failing Power capacitors. The capacitors hold the charge necessary to build up the voltage that lights the screen. When they leak or fail to hold the charge, the screen will cut out. It could also be a fault in the switch circuitry. Really needs looking at by a qualified technician.

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My sony trinitron xbr tv turns on stays on a few seconds then powers off by its self and it gives 5 red blinks from stand-by


This is according to the sony service manual

Five blinks - 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.

Sounds like a failure in the C Board or AKB Circuit.

Best to take it in to a service center.

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1 Answer

I have a Sony KDS-R50XBR1 that has no picture. When I turn on the TV, the green Power/Standby LED light blinks for about 30 seconds, then turns red and blinks five times. The Power/Standby LED repeats...


  • Five blinks - 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 A2 slightly.

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Picture & sound go on & off every sec, red light blinks 5 times


helloFive blinks - 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.

shaun

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1 Answer

Monitor turns on about 30 seconds screen goes blank light standby


replace the DAC power supply board, the part number will be stamped on it, usually on the upper right edge

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I'VE OWNED A SONY WEGA 27" FLAY SCREEN T.V.FOR A YEAR AND A HALF AND NOW FOR THE SECOND TIME THE THING WONT TURN ON. ALL ITS DOING WHEN I PUSH THE POWER BUTTON IS MAKING THE NOISE OF TURNING ON BUT...


FIVE Blinks---AKB circuit (AKB), 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. Also unit be in IK blanking,
try turning up screen slightly.

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4 Answers

Won't power off when pressing power button, just goes to standby mode


With most projectors you have to press the power button twice to confirm that you want to turn it off. When you press it the first time it waits for a bit and then turns itself back on assuming you hit the power button on accident.

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