Question about Sony BRAVIA KDL-40EX400 40" LCD TV

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Sony bravia KDL-40EX400 turns on for a second then shuts off.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Sony Bravia KDL-40W4500 turns off

This can indicate a problem with the high voltage circuits. Since this is a new set, it should still be under warranty. DO NOT open up the unit as that will void the warranty. Return the set or request warranty service. Note the 8 blinks when you request service as that should allow them to bring the correct replacement parts.

Keep us posted.
Dan

Posted on Jan 05, 2009

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waynejamescm
  • 67 Answers

SOURCE: tv bravia kdl 40v3000 problem turning on

Hello,

Unfortunately, this is a failure of the balancer board for the backlight. The unfortunate part is that the balancer is not available by itself anymore, and the whole panel must be replaced, as Sony only has the balancers attached to new panels. You can contact Sony directly to ask for assistance, and it usually helps.

Hope this helps you...

Posted on Jan 05, 2009

waynejamescm
  • 67 Answers

SOURCE: Have a new Sony Bravia

Hello,

There is some confusion on the model (KDL-40W500 vs. KDL-40V2500), so I will direct this toward the 40V2500.

On the KDL-40V2500, an 8X blink means the scan processer has gone bad, and the BU board needs to be replaced. If the problem is intermittent, the the AU board might be the problem, but if it all the time, bank on the BU.

A competent repair shop should be able to help you, or you can try calling Sony directly for assitance.

Hope this helps you...

Posted on Jan 05, 2009

xCAUSALITYx
  • 210 Answers

SOURCE: My Sony Bravia KDL-26S3000 won't turn on and is stuck in standby.

Hi,

There is a power fault with one of the PCB's inside, contact Sony if you are still in warranty, if not contact a Sony service center as it will need an engineer to open it up to repair it.

Thanks

Posted on Oct 09, 2009

tvtek
  • 1284 Answers

SOURCE: sony bravia kdl 32l4000 - color bars running vertically on screen

In most cases is the screen is covered with vertical lines all the way accross the screen then the T-Con module is at fault. The t-con board is replaceable without having to replace the entire LCD panel which would usually make it cheaper than replacing the TV. The part number I come up with is 1-857-213-11. Please take a moment to rate my answer. Thanks...

Posted on Dec 02, 2009

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1 Answer

Will the power supply cord for sony bravia KDL 40ex500 work on 40ex400?


Usually manufacturers use as many standardized components as possible to reduce costs so it is highly probable that the power cord on both a 40 & 50 inch sony tv in the same series is identical.

Jun 27, 2015 | Sony Televison & Video

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Model # KDL-40EX400 sony bravia screen black on power saving picture off mode how can i get my tv to function


Unplus tv and plug back in 10 seconds later. Go into menu and turn off eco setting. Check timer setting and turn it off also. Your complaint is unclear . I hope this helps.

Mar 18, 2014 | Televison & Video

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My Sony BRAVIA KDL-40EX400 will not turn on.


IIC bus clock and/or data lines low at power on 06. This is the fault, according to the blinking codes given by Sony LCD TVs. That is, the fault lies within the main digital board. To locate the exact fault point to these type of fault, is actually a skilled one. If you wish to get more details to this fault, check the link sited here.http://electronicshelponline.blogspot.com/ It has details about these blinking codes. Before proceed, once again count and make confirm the number of blinks occur at one time switch ON. Pull up older posts by this link at its left side bar.

Jun 06, 2013 | Sony BRAVIA KDL-40EX400 40" LCD TV

1 Answer

Sony kdl52nx800 will not turn on indicator light blinks 5 times


While looking found this:

Found this service bulletin for sony KLD
KLV40EX600 not austalia model but think KDL will be similar

Model No: KDL-32EX400 KDL-40EX400 KDL-32EX500
KDL-40EX500 KDL-46EX500 KDL-55EX500
KDL-32EX600 KDL-40EX600 KDL-32EX700
KDL-40EX700 KDL-46EX700 KDL-52EX700
KDL-60EX700 KDL-40HX700 KDL-46HX700
KDL-55HX700 KDL-40NX700 KDL-46NX700
KDL-52NX800 KDL-60NX800


SUBJECT: Counter measure for Intermittently 5 times standby LED blinking
SYMPTOM: Customer may report that intermittently after AC OFF/ ON (or Deep Standby/ ON), TV will shut down with LED blinking 5 times. If set is placed in Standby, then On, symptom will re occur. If AC is removed, set will work normally when AC restored
CAUSE: Timing mismatch of I2C communication causes interrupt signal inside TV. This causes TV to shut down with error 'Standby led flashes 5 times'

SOLUTION: This is a user correctable issue -
Where possible, please refer customer to Sony Website -(or ) and search for relevant model to download correct update. If the unit is in Workshop, please perform update as per Instructions.

Dec 14, 2012 | Sony KDL52NX800 52 in. TV

1 Answer

I would like to know if the t-con board out of a SONY KDL-40EX500 will work in my KDL-40EX400 they look the same


that"s difficult things. but you could try it. but you must check its --t-con board all connection if it same include which connection to what & all voltage must be same. good luck!

Sep 03, 2012 | Sony BRAVIA KDL-40EX400 40" LCD TV

1 Answer

My Sony Bravia KDL 40EX400 has no sound coming out of TV. If I hook up my surround thru audio reciever I gets sound. Can someone help with this problem?


speakers in tv or wiring going to speakers or in menu someone has muted internal speakers or plug on pcb board has lost connection

Feb 04, 2011 | Sony KDL40EX400 40 in. HD-Ready TV

1 Answer

My Sony Bravia KDL-26S3000 won't turn on and is stuck in standby.


Hi,

There is a power fault with one of the PCB's inside, contact Sony if you are still in warranty, if not contact a Sony service center as it will need an engineer to open it up to repair it.

Thanks

Oct 09, 2009 | Sony Bravia KDL-26S3000 Television

2 Answers

Clicking sounds when turning off Sony bravia kld-40v4100


ACTUALLY WITHOUT SEEING YOUR PROBLEM PHYSICALLY I CANN'T SAY ANY THINK, BUT FOR YOUR KNOWLEDGE LET ME TELL YOU NO TV MAKES ANY KIND OF SOUND DURING SHUT OFF. & you are saying for more than 30sec, i think you should call the SONY TECHNICIAN for visit.

Dec 20, 2008 | Sony BRAVIA KDL-40V2500 40 in. LCD HDTV

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