Question about Sony Kdl-40ex400 Power Supply Aps-254 1-881-411-22

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Kdl-40ex400 no power no lights 3.28 standby volts

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Posted on Jan 02, 2017

jadiazq
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SOURCE: i don't see the answers to my questions why don'i i have 3.3v at standby on my sony bravia kdl-40ex400 power supply board

Answers are done by volunteers and users just like yourself. The attitude does not help. Good Day.

Posted on Oct 25, 2012

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Sony Bravia KDL-xbr4 Replaced TCON board All worked great for a week Had an issue w/ HDMI cable at the box fixed it and now tv comes and the goes off to 6 blinking red lights


6 red flashes- backlight issue, bad main board, or power board or inverter boards- check standby volts on power board. "backlight on" volts should be 3-5v from main logic board then 24v to inverter


Have this from a youtube link find BUT
Better is to look first also on bad leaking or bulged capacitors thats better to replace in the bad components to get a repair because active components died on bad capacitors but after a while because on the build-in protection circuit by faults like deformed or leaking capacitors and even several fuse resistors then after replace a complete board again after a while you will may be get the same kind of problems again, take If you find some or much bad capacitors replacements 10 volts dc higher . begin with control on the power supply first of all.



Sony Bravia TV kdl red blinking led light error codes solutions Sony KDL 40XBR4 KDL 40XBR5 KDL 46XBR4 KDL 46XBR5 Service Manual

Jan 05, 2017 | Sony Televison & Video

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

1 Answer

What causes the red light to blink on Sony t.v


These 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://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

Sep 28, 2014 | Televison & Video

1 Answer

Tv codes to program remote


on some universal remotes, you can turn on the tv manually, then push search on the remote.. it will flash the light on the remote face when it finds the code.. then push the power on/off and see if the tv turns off..if it does, the rest of the funtions should work..

Mar 04, 2014 | Televison & Video

1 Answer

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

NEED SERVICES MANUALS FOR SONY KDL-40EX400


Have you tried to GOOGLE the model number with service manual after it?

I will presume you have checked the fuse on the power cord inside the set.

The more you tell me the better I can assist you.

Mar 14, 2012 | Televison & Video

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