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I have a Sony Tv KDL42V4100 that will not come on. The standby light flashes 6 times.

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Tom Chichester

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  • Sony Master
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Probable power supply failure

Posted on Apr 03, 2021

Testimonial: "It was not the power board."

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Anonymous

  • 4402 Answers

SOURCE: SONY KP-57HW40 TUNS OFF AND STANDBY LIGHT BLINKS 6 TIMES

6 blinks is usually associated with failure of the horizontal deflection amplifier - which shuts down the high voltage system as well.

The repair requires testing to determine the exact parts that have failed. There are, for example, a few hundred parts and a section of the Jungle IC chip involved. So, repairs could require something as simple as replacing some inexpensive passive components OR as complicated as replacing the jungle chip (very expensive).

most of the time it's the horz. transformer and transistor.

Posted on Dec 20, 2007

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Anonymous

  • 320 Answers

SOURCE: Flashing Standby Light (6 times every 2 second interval)

A 6 flash error indicates a problem with the backlight. Your set is less than a year old and still in warranty, so you should contact Sony and arrange for a service call to get it repaired.

Posted on Nov 10, 2008

Anonymous

  • 1 Answer

SOURCE: red standby light light blinking

there is in-line fuse that blowes,caused by the fan vents being restricted (smoking can be a big facter) the vents should vacumed a couple times a month. you will need to have it seviced (parts and labor cost me 270$

Posted on Feb 09, 2009

Anonymous

  • 197 Answers

SOURCE: Sony Bravia standby light flashing 6 times

there is a bad ground may on the cable check the voltage on the cable & set if on cable call the cable company. if tv call sony they may help with cost may be still under warranty

Posted on Jul 02, 2009

Anonymous

  • 4090 Answers

SOURCE: tv does not come on standby light flashes 6 times

like the 2000 others there is a fault on the power board and thepossibly even the sustain boards these that causes the relay to go into protection mode.in all cases all 3 boards need ro be changed in accordance with manufactureres recommendsations and then a whole retuning game is started that rewuires special tools and skills

This is not just a simple fuse or board change, it requires knowledge of circuitry to check voltages from a service manual and also resetting of the convergence chips by generating a hatch pattern on screen to realign all the guns. Parts about $300, labour depends on who does it. It is not a DIY as many on here who have tried have found out the hard way. Quick fix is a quick kill and you start all over again, shelling out for the same parts and making the same mistakes. Unlike PC's , these units do not suffer board change jockeys well.

Please rate my help++++Thanks for using FIXYA

Posted on Nov 19, 2009

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Blinking of standby light are fault indications. How many times the standby light blinks at a time. Count it, and inform me.

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Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
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Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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Here's an excerpt from the Sony Manual online. And the link - http://esupport.sony.com/US/perl/webtree.pl?template=EN&mdl=KDF55XS955&content_id=68&category_id=11&problem_id=52

The POWER/STANDBY (red) indicator flashes three times
If your power/standby indicator is flashing in a pattern of three flashes, this may indicates that the lamp cover is not attached securely. Follow the directions in the Operating Manual under changing your lamp that related to closing and securing the Lamp Cover. Ensure that the Lamp Cover Door is securely fastened by tightening each screw.

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If your power/standby indicator is flashing continuously, and the lamp cover has been secured, your TV may be in need of service.

The POWER/STANDBY indicator is lit up green (not flashing)
A sustained green light indicates your TV is on.

The POWER/STANDBY indicator is lit up red (not flashing)
A sustained red light from your power/standby indicator simply indicates that your TV is in standby mode. This shows you that your TV is ready to be turned on with the remote.

Is it the power light and not the lamp light? If the lamp light is flashing then replace the lamp.

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