Question about Samsung SlimFit TX-S2783 TV

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Power surge We had a power surge, the TV went off.I removed the rear cover and found the fuse blown.I replaced the fuse with a 5 amp one and it blow it straight away.Was the fuse wrong or can it be a bigger problem?

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Its a problem in the power supply

Posted on Oct 25, 2007

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Posted on Jan 02, 2017

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I have a Olevia 242-T11 and it has no blue power light, removed rear cover discovered blown fuse at power board, went to radio shack and found simular fuse 5A 250v but fuse keeps blowing out when powe


The fuse is always a protector and when it had blown a second time it is certain that there is a short or high current drain in the power circuit which exceeds the limit and so to prevent further damage or fire the fuse blows off. You need to just use a multimeter to check so as to confirm the short on the power supply unit.
Check this link for tips:

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

Jan 05, 2012 | Televison & Video

1 Answer

I had a power outage and now the tv will not power on. This is for a 55" Mitsubishi WS-55511. no green blinking lights.


Hi,

You may have a blown fuse. Unplug the TV and remove the back. Look for a small fuse near where the power cord goes in.
If it is blown that may be the problem.
Use a magnifying glass to read the AMP rating.
replace the fuse and plug it in. If the fuse blows again you need expert repair services.

If the fuse doesn't blow then try to turn it on.
If it turns on then check the operation of the TV.

If the fuse blows again or the TV won't work correctly then you need expert repair service to fix your TV.

You may be able to have your household insurance pay if it is damaged by lightening or a power surge.

Lee

May 02, 2009 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Hitachi 50GX30B 50 in. Rear Projection...tv won't turn on since electricity went off & on


I have worked on several of this model for power surge damage. Usually what I find is a blown fuse, a shorted regulator i.c. and possibly a blown bridge rectifier(diode array). On rare occasions you can solve this problem by replacing only the fuse, but if the fuse blows when you plug the set in, you will more than likely find above mentioned parts have failed. The best thing to do is to call a repairman but if you have an ohm meter you can test it yourself:1.Unplug set and remove rear cover.2.Get spotlight and look closely at where power cord connects to circuit board.Small glass fuse will appear black if open usually.Otherwise,test for continuity, or just replace it.3.After replacing fuse plug power cord back in while looking at fuse.If you see an instant flash, fuse blew again meaning you will need to obtain parts in power supply and solder work will be required. That is probably as far as I can take this other than saying that you might first want to look at underside of circuit board to determine if major surge damage has occurred. If it has you will immediately know because it will have burn marks all around a/c power supply. I hope this helps, Russmann.

Apr 28, 2009 | Hitachi 50GX30B 50". Rear Projection...

2 Answers

Panasonic ct-32sl13g blowing fuse by power supply


You will need to remove the back of the TV. Don't worry, it's not that bad.

There are 4 screws across the top, one on each side, one right next to where the power cord goes into the back of the case, and the two more by all of the video connections **These are the most important to remove because they attach the main board to the back of the case.

Once you have remove the screws then the entire back of the set will slide off. If you look where the power cord attaches to the board you will see a small fuse. This is a 6.3 Amp 125 volt fuse. You can replace it with a 6.3 Amp 250 volt fuse from your local Radio Shack. A four pack costs between $3 and $5.

Make sure that you check that it works before putting it all back together. Check for any loose connection cables while you're back there. I found a few when I did this.

Good luck!

Apr 15, 2009 | Panasonic CT-32SL13 32" TV

2 Answers

Keeps blowing fuse


You will probably be replacing boards left and right with a surge. I would make a claim with the insurance company, it's covered under most home owner's insurance.

Jan 12, 2009 | Akai PT5598HD 55" Rear Projection...

1 Answer

Fuse Blowing Repeatedly


if you are not a tech have one check your tv,the voltage regulator is shorted and needs to be replace.this component can be found in the power supply.i do not have the part number and location as i have no schematic for this set.

good luck

May 03, 2008 | Televison & Video

3 Answers

TV Blows internal fuse


You will have to find the source of a major short in your power supply.Since it's a 5A i assume i imagine that's where the short is.

Oct 23, 2007 | Samsung SlimFit TX-S2783 TV

5 Answers

Fuse blown


the fuse will always blow if there is a shorted component. the horizontal output transistor may be the most likely culprit, if you are not a technician, have it service by a qualified one.

May 15, 2007 | Samsung TXR3079 TV

2 Answers

Instantly blows the 5 amp fuse next to the power cord plug.


You have a short in the power supply. Look at the regulator and or rectifier diodes. These are all on th primary side of the SMPS (switched mode power supply) the secondary side if shorted shouldn't cause a blown fuse at all.

Mar 18, 2007 | Mitsubishi VS-50607 50" Rear Projection...

1 Answer

Nothing works


The fact the set blows up the correct fuse is because it has a short ahead in the circuit,it could be one of the diodes(4) that is shorted,if one of these guys is bad all of them should be replaced with the exact replacement,ahead of them it should be a regulator and he is bad (shorted) it could have taken the diodes and the main fuse.The cause might have been a power surge.If you are familiar with tv service you can check the regulator and the diodes before you put in a new fuse,if you are not too familiar be safe and take the set for an estimate.If you suspect power surge or lighting damage it might not be worth repairing.Let Us know if you need more information.

Oct 26, 2006 | Sharp 25N-M100 25" TV

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