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How much does a electrolytic capacitor cost - Sansui HDLCD3200 TV

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Its cost will depend on its capacitance value, and rated voltage.
Gopakumar Gopalan Google

Posted on May 16, 2014

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1 Answer

My lcd tv's picture isn't coming on. I'm trying to troubleshoot and fix on my own.


Hi,
First of all replace all the electrolytic capacitors in the power supply board. Some times bad electrolytic capacitors will lead to voltage drop and can cause this type of problems . when you buy the electrolytic capacitor try to buy one which has a high temperature spec just like 105 degree not ordinary 85 degree. It wouldn't cost a lot. Try to replace it before going to buy costly board. and one more thing whenever you post your question for a solution try to add the brand and model number of you are tv with your description.


25851378-ng0g4kwjimhi5gpsikxhd2eo-3-0.jpg
www.electro-medical.blogspot.com

Sep 05, 2015 | LCD TV'S Televison & Video

1 Answer

740N not open


A common problem with monitors is the power supply. The electrolytic capacitors need to be replaced. The power supply is located at the back side of the monitor. The faulty capacitors are easily identified due to their shape (they become deformed after some time of use). It is common practice to replace all the electrolytic capacitors on the power supply (except the one or two big ones - high voltage capacitors). The cost of this repair is very low and it does worth to try (assuming you have soldering/desoldering skills).

Oct 29, 2013 | Samsung SyncMaster 740N 17" LCD Monitor

1 Answer

It wont turn on. power light blinks red twice


Hi Smith,

2 flashes of the LED light is an error code for "Low DC voltage". The output voltage of the power supply is not normal(dropped) and the caused of this fault is a leaky/dried filter electrolytic capacitor on that section.

Leaky electrolytic capacitor has a physical indication of fault like bulged/dome at the top and can be easily identify through visual inspection. See sample picture below.

jdvillanueva_129.jpg


If you're handy with electronics and know how to solder and desolder parts on the board, check the power supply for obvious leaky capacitor. If you've found them, replaced it with same capacitance and working voltage that is printed on its body itself. Watch the video below for more info regarding electrolytic capacitor.



Dried electrolytic capacitor has no physical indication of fault, you must have a capacitor checker/tester to determine its condition or you may replaced all electrolytic capacitor in the output of the power supply, it will not caused you much because this is one of the cheapest part on that board(cost only $4 at the most).

Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Sep 23, 2011 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Where to get ASUS P5QPL-AM motherboard component repaired?


If you are referring to a chipset replacement look online for a company that does this, and has a BGA Rework Station.

Not only will they have the proper tools, and expertise, they will also have access to the chipset/s needed.

You may find the price of replacing will outweigh the cost of simply just replacing the motherboard.


If you are referring to an Electrolytic Capacitor, any competent computer repair shop should be able to handle this.
Note I stated, "Competent".

http://www.newegg.com/Product/Product.aspx?Item=N82E16813131394

Shouldn't cost that much. If it does seek a, 'Mom and Pop' computer shop.

{If you have decent de-soldering and soldering skills you could do it,

http://www.capacitorlab.com/visible-failures/index.htm

http://www.capacitorlab.com/replacing-motherboard-capacitors-howto/index.htm

If you repair/replace, I suggest using a 25 to 40 Watt soldering iron, .030 Rosin solder, Solder Wick, (Desoldering Braid), instead of a Desoldering Tool (Solder S-ucker Tool), patience, and a steady hand,

http://www.mouser.com/Passive-Components/Capacitors/Aluminum-Electrolytic-Capacitors/_/N-75hqt/

The Electrolytic Capacitors used on your motherboard are Radial Aluminum Electrolytic Capacitors.

For additional questions please post in a Comment.

Regards,
joecoolvette

Sep 18, 2011 | ASUS Computers & Internet

1 Answer

Tv turns on but you have to push the button on the tv ten times to get it to turn on.


Hi,

This kind of symptoms is an indication of out-of-regulation in the power supply section. This is caused by leaky/dried electrolytic capacitor. In the first stage of the symptoms, warm-up will make itself stable but it will get worst, time will come that the unit will not power up at all.

Leaky electrolytic capacitor has a physical indication of fault like bulged/dome at the top and can be easily identify by visual inspection. See sample picture below.


jdvillanueva_113.jpg Leaky capacitor with dome at the top

If your unit is not under warranty period, open the back cover and inspect the electrolytic capacitor in the power supply section. If you found a leaky one replaced it with same capacitance and working voltage that is printed on its body itself. Watch the video below for more info regarding electrolytic capacitor.




Dried electrolytic capacitor has no physical indication of fault, you must have a capacitor checker to determine its condition and pinpoint the faulty one. If not available, you may replace these parts on that section, it will not cost you much since this is one of the cheapest parts on the board.

Hope I helped you.
Have a nice day!

Thanks for using Fixya.

Sep 02, 2011 | RCA P46924 46" Rear Projection Television

1 Answer

Tv will ot come on


This kind of symptoms is cause by faulty(leaky/dried) electrolytic capacitor in the power supply section. In the first stage of symptoms warm up will make itself stable and the unit will power up after a few attempt of plugging and unplugging from the outlet but it will get worst, time will come that the unit will not power up at all.

Leaky capacitor has a physical indication of fault like bulged/dome at the top and can be easily identify like in the sample picture below.

jdvillanueva_88.jpg

Leaky capacitor with dome at the top.

Dried capacitor has no physical indication of fault, you must have a capacitor checker to determine its condition, if not available you should replace all electrolytic capacitor in the power supply section. It will not cost you much because it is one of the cheapest parts on that board.

Click this LINK for more information regarding electrolytic capacitor.

Jul 30, 2011 | Televison & Video

1 Answer

I turn it on and it starts powering up, the welcome screen appears, then shuts off


Good day!!!!


This kind of symptoms is cause by faulty(leaky/dried) electrolytic capacitor in the power supply section. In the first stage of symptoms warm up will make itself stable and the unit will power up after a few attempt of plugging and unplugging from the outlet but it will get worst, time will come that the unit will not power up at all.

Leaky capacitor has a physical indication of fault like bulged/dome at the top and can be easily identify like in the sample picture below.

jdvillanueva_88.jpg

Leaky capacitor with dome at the top.

Dried capacitor has no physical indication of fault, you must have a capacitor checker to determine its condition, if not available you should replace all electrolytic capacitor in the power supply section. It will not cost you much because it is one of the cheapest parts on that board.

Click this LINK for more information regarding electrolytic capacitor.

Jul 30, 2011 | Mitsubishi WD-60C9 60" DLP HDTV

1 Answer

Tv takes a long tome to come on


Good day!!!!

This kind of symptoms is cause by faulty(leaky/dried) electrolytic capacitor in the power supply section. In the first stage of symptoms warm up will make itself stable and the unit will power up after a few attempt of plugging and unplugging from the outlet but it will get worst, time will come that the unit will not power up at all.

Leaky capacitor has a physical indication of fault like bulged/dome at the top and can be easily identify like in the sample picture below.

jdvillanueva_88.jpg

Leaky capacitor with dome at the top.

Dried capacitor has no physical indication of fault, you must have a capacitor checker to determine its condition, if not available you should replace all electrolytic capacitor in the power supply section. It will not cost you much because it is one of the cheapest parts on that board.

Click this LINK for more information regarding electrolytic capacitor.

Jul 30, 2011 | LG 50PG20 50 in. Plasma HDTV

1 Answer

It turn off and on itself and I dont hear a sound


Good day!!!!



This kind of symptoms is cause by faulty(leaky/dried) electrolytic capacitor in the power supply section. In the first stage of symptoms warm up will make itself stable and the unit will power up after a few attempt of plugging and unplugging from the outlet but it will get worst, time will come that the unit will not power up at all.

Leaky capacitor has a physical indication of fault like bulged/dome at the top and can be easily identify like in the sample picture below.

jdvillanueva_88.jpg

Leaky capacitor with dome at the top.

Dried capacitor has no physical indication of fault, you must have a capacitor checker to determine its condition, if not available you should replace all electrolytic capacitor in the power supply section. It will not cost you much because it is one of the cheapest parts on that board.

Click this LINK for more information regarding electrolytic capacitor.

Jul 30, 2011 | Philips Televison & Video

2 Answers

Which machine use to repair motherboard ?


Depends on what is wrong with the motherboard.

Capacitors? (Radial Aluminum Electrolytic Capacitor)
These are replaced by hand if you have good de-soldering, and soldering skills.

Visual signs of capacitor failure,

http://www.capacitorlab.com/visible-failures/

Identifying electrolytic capacitors used on motherboards,

http://www.hardwaresecrets.com/article/How-to-Identify-Japanese-Electrolytic-Capacitors/595

One place to buy them,

http://www.mouser.com/Passive-Components/Capacitors/Aluminum-Electrolytic-Capacitors/Aluminum-Electrolytic-Capacitors-Leaded/_/N-75hqw?Keyword=radial+aluminum+electrolytic+capacitor&FS=True

As for replacement of the motherboard chipset, (Northbridge and Southbridge), plus the GPU chipset, a Reflow Machine is used.

Example of a BGA Rework Station, (A type of Reflow machine)

http://www.bga-rework.us/

[GPU = Graphics Processing Unit,

http://en.wikipedia.org/wiki/GPU

When a GPU chipset is soldered directly to the motherboard, it is Integrated Graphics.
Another name for Integrated Graphics is OnBoard Graphics.
ON the motherBOARD.

A GPU chipset can also be soldered to a graphics adapter card.
Graphics Card, or Video Card.

The three major manufacturers of GPU's are Intel, AMD ATI, and Nvidia.


Motherboard diagram showing the Northbridge and Southbridge chipset's, in relation to the other components used on the motherboard,

http://en.wikipedia.org/wiki/File:Motherboard_diagram.svg

The three major manufacturers of motherboard chipsets are Intel, AMD, and VIA.
{Chip and Chipset are slang terms for I.C.
Integrated Circuit }


If the above is not what you had in mind, please post in a Comment.
Regards,
joecoolvette

Oct 26, 2010 | E-Machines (308714) Motherboard

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