Question about Sony BRAVIA Televison & Video

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3times blinking red light Sony bravia 40w700c

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Sattech

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Kinda points to power supply . Does it start normal for a short time or refuse to start ? Bad capacitors are a common problem in the past , doubt that is cause here but on bench I always run the ESR meter around the power board at least .
You could have a bad CCFL but this young not likely . Did you have a power surge or lightning strike nearby ? A UPS is always a great investment not just a surge bar .
Make sure you power cycle...ie:pull plug from supply and let sit 15 seconds at least . Then try again .

Just some thoughts with out more info .

Hugh

Posted on Mar 11, 2017

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electroman

  • 1039 Answers

SOURCE: 13 red standby flashing lights -- turns on, then turns off

Are you sure about the 13 flashes. Error code only goes to 8 flashes.

Posted on Apr 26, 2009

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Anonymous

  • 1077 Answers

SOURCE: my sony bravia tv is flashing red stand by light

Try leaving the TV unpugged for 30 minutes so the TV can reset itself.
If that doesn't work, most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you flashing red light codes, circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

Posted on Jun 29, 2009

TdiPWR

  • 194 Answers

SOURCE: My Sony Bravia Kdl40v300 will not turn on When I

sorry. Hope you still have a waranty. This is not an uncommon problem with the sony's. 99% chance that the panel went out. Could also be a balance board issue, but usually not. Call Sony for an authorized repair center

Posted on Dec 24, 2009

welcomejee

Shahid Electronics

  • 10594 Answers

SOURCE: No picture or sound. Red light

Just a correction, it is not necessary that 4 times red light blinking always shows inverter board problem.
It depends on chassis/ model number of Sony bravia tv to what is error code of 4 blinks as it would be mentioned service manual.
I'm Sony tech and can help you, let me know model number written at back of tv to provide you exact info about 4 times red light blinking.
Thanks.

Posted on Aug 18, 2010

specialistel

  • 8909 Answers

SOURCE: I have sony Bravia KLV

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.

Posted on Mar 09, 2011

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No picture or sound. Red light blinking four times on sony bravia tv. Suspect power supply problem?


Red light blinking 4 times on Sony bravia TV.This is the problem of INVERTER BOARD.The inverter board has to be replaced.Every Sony bravia tv has a particular model number and the Inverter board part number depends on model number of the tv. As you have not mentioned the model number so the exact part number of the inverter board is hard to tell.But you can get the required inverter board part for your tv from www.partstore.com ----------- Thanks. Keep updated for any more query. You can rate thissolution and show your appreciation.

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