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The power supply is blown, could it be caused by a fault in the tv

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The power supply has blown due to external reosen

Posted on Aug 23, 2009

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Posted on Jan 02, 2017

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TV has black screen and Flashlight test fails. I hear a loud beep when power button is long pressed. Power supply to LED strips conn, 1-5 have ~176V but 2-4 have 0V. What might be the issue?


Check and replace its T'Con board. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

Oct 07, 2016 | Samsung UN32EH5300FXZA 32 in. HDTV

1 Answer

Won't turn ON. Found F601 fuse blown on power supply/inverter board. What's the most likely culprit?


Emerson BA17F1F0102 Power Supply Repair Kit LC320EM2

www.shopjimmy.com/emerson-a17f1mpw-power-supply-co...

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This Emerson BA17F1F0102 Power Supply Repair Kit LC320EM2 ... board. If the TVhas no power it is most likely because of a blown fuse and failure of other preceding components. ... I tested F601, Q600, R602, 608 and 611, and found them to be bad. ...Power Supply / Inverter Board - Joseph A. on March 4th, 2015.

Common TV Repair for Emerson, Sylvania, Philips ...

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https://www.youtube.com/watch?v=nQHWrJJg4Mc
Oct 11, 2013 - Uploaded by Tampatec
... LCD TV repairs for Emerson, Sylvania, Philips, Magnavox,blowing fuses "no power" i recommend a TV service LCD repair kit at ... powersupply power-supply "power supply" powerboard "power board" part2 part 2 pt2 ...

What Causes a Blown Fuse in TV Sylvania LCD - YouTube

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Jan 01, 2016 | Televison & Video

1 Answer

Blowing fuse on tv


hi there's dead short in the power supply somewhere could be a number of components usually diodes or transistors cause this fault
hope it helps

regards
shaun

Jan 04, 2014 | Magnavox 32MF301B/F7 32 in. LCD TV

1 Answer

I HAVE A TV SET MODEL TCL-I4175 MY PROBLEM IS WHEN I PLUG THE LINE CORD AND SW ON THE THE PUSH BUTTON THE FUSE ALWAYS BLOWN OUT . THE LAST TIME I HAVE REPAIR MY TV SET AT FIRST I HAVE REPAIR IT AND ITS ...


I am not familiar with this make but normally the cause of line stage transistors blowing is either power supply faults, line transformer issues or tuning capacitors including flyback diode issues.

Jun 23, 2017 | Televison & Video

1 Answer

Power went out and now TV won't turn on


Good day,

This is a type of fault that is associated with the power board, you have to open the back cover and check for blown fuses, if found replace with the same rating,because this is the common cause of the type of fault, if otherwise the power supply board is dead, you know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

I hope this will help to solve the problem and do take caution in handling the television because there is high voltages in the power panel board of the television....

May 13, 2011 | Sony KDL32EX600 32 in TV

1 Answer

I have samsung(hitron) tv purchased around 4 years before. When the external power supply(switch) to tv is switched on, tv is not receiving any power. i mean tv is not functioning. what would be the...


Give me the model number for more accurate diagnoses....
It seems as though there is a DC problem on the power supply, it could be a simple fuse. Or it could be that a fault on another board is causing the power supply to shut its self down.....The TV is in self protect mode because of a short an open component somewhere. Like I said it could be just a fuse has blown. If the indicator light is on then its probably not a fuse problem, but rather an electrical fault.
http://tvtechwork.webs.com/

Nov 17, 2010 | Samsung Televison & Video

1 Answer

It just turned off by it self and it wont turn on


TV is in fault protection mode. If the TV relay clicks on then off and the Fault LED starts blinking. You have bad/blown capacitors on the PSB-Power supply board. Recaping the blown UF caps works 90% of the time.

Jun 30, 2010 | Insignia NSPDP50 50 in. HD-Ready Plasma TV

1 Answer

Tv has no power


This could be caused by several things, the fuse in the plug or the internal fuse in the TV might have blown, if so this could have been caused by an electrical which means once replaced should be ok. However there is the probablity that a short circuit in the power supply has caused this. You will need to use a multi-meter & check if you have an incoming voltage from the mains & then through the on/off switch. If so, check what voltage supplies you are getting from the power supply. It is possible a supply resistor is open circuit or a semi-conductor component is at fault such as a transistor or diode. You need to extremely careful when checking power supplies as some components can hold a high voltage charge. If you do not feel confident to do this then I advise having a service engineer to have a look at it.

Nov 11, 2009 | JVC Televison & Video

2 Answers

What would cause a blown fuse


it could be a problem with your power supply.

Nov 09, 2009 | Hitachi 46F500 46" Rear Projection...

1 Answer

NO PICTURE


the tv is fault, there is a lekage to ground, cause 5 amps is avery high current. plse take your tv to a w/shop and have the following checked
i rectifier diodes
ii power transistor, driver transistors, diodes, zener diodes
iii fusable resistors near the power transistor
iv making sure that a 90-110volts is getting out of the power supply to a line transistor, near the line trasformer.
the problem will be over

Mar 23, 2009 | Toshiba CZ32V51 32" TV

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