Question about Sony FD Trinitron WEGA KV-32FS120 32" TV

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My sony trinitron tv keeps blinking on and off.

The tv keeps playing but the screen goes blank and then comes back on .

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Leave tv unpluged overnight to reset the main board.

Posted on Jun 16, 2009

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1 Answer

5 time blinking Sony Trinitron (Flat Panel) tv


  1. 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.
To get more details, http://electronicshelponline.blogspot.com/
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Video goes off led blinks 5 times then video returns, audio ok


  1. 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. For more details, check this.

Jan 08, 2013 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Sony wega trinitron will not stay on


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.

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I have a Sony Trinitron 32" tv. When I turn it on, it has started taking longer and longer for the picture to come on. Sound is fine. Now once the tv is on for a while, the picture goes black for...


Yes.... u must adjust the screen voltage going to picture tube....located on the CRT module>>>little board connected directly to picture tube (take back off TV and you will see ) play around with screen control on the CRT module......can be adjusted at times to keep from losing picture!!! tube is bad...i know sure looks good when showing a picture....TRY adjusting screen voltage ( YES while TV is ON>>>CAREFULL ) gl

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Comes on and later goes blank


How much later? The Sony sets have a setting in the menu that turnes the TV off if there isnt' any input, Sometimes this feature gets messed up, and the feature has to be turned off, Check that out and see if that takes care of the problem.

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1 Answer

Sony tv go


hello 5 blinks mean akb circuit automatic kine bias the timer indicator blinks for 30 seconds then goes in to self -diagnosis function something is wrong with the video check 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 the screen slighty good luck

shaun

Jan 22, 2009 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Sony wega trinitron won't turn on


  • Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted. Check IC1509, Q1505
  • 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.
  • and some times the eprom ic is fulty ...
  • try to unplug your tv from the main power for 5 hours then press the power button and keep pressing for 7 seconds then release ,if this do not work ,you should take your tv to a qualified person
  • i hope this helps ..
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