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Have a Toshiba MW24F11 combo tv. Near lightning strike through surge suppressor. Will not turn on. 6.3 amp fuse blown; replace, blew again. Next step, or start looking for replacement. Set is 25 months old.

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Power surges generally damage diodes and capacitors causing the fuse to blow, any reputable tv shop can repair for a fraction of replacing this set.

Posted on Mar 25, 2009

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Our electricity went out for a few minutes, and since then the TV will not turn on. The green light is flashing. We tried resetting it by pushing a pen point into the reset hole, but it does nothing. ...


Your power outage may have been caused by a nearby lightning strike, or any number of
1000 different reasons that cause power surges, brown-outs, voltage spikes, inductive loading,
and/or utility pole breaker trips and resets (this accounts for your power loss (a pole breaker trip),
followed by restoration of power (the pole breaker automatically reset) - even plain old high electrical demand causing an overload due to air conditioning demands caused by hot weather.
When the pole breaker reset, your TV caught a power surge.
Whenever a power outage occurs, quickly power off (or better, unplug) any/all computers, TVs,
etc. that are not protected by surge-protection.
As an electrician, when someone loses an item of electronics concommitant to an electrical
anomaly, its almost
always traceable to a nearby lightning strike (or the power company provided equivalent), accompanied by inadequate surge protection for
the VCR/TV/Computer/Stereo/uninsured valuable electronic item/XBOX 360/Nintendo Wii.
Surge protection can
be provided by the consumer at the power strip (a good one with builtin MOV protection and a
warranty costs $20, whereas a zero-protection 4-outlet or 6-outlet power strip will cost $4-$5).
Your electrician can provide whole-house surge protection where a whole-house MOV-based (metal oxide varistor) surge protector, or per-circuit protection can be installed with
a GFCI breaker (or better, an AFCI breaker) can be installed.
GFCI = ground fault circuit interruptor
AFCI = Arc fault circuit interruptor
Lightning protection is especially important in Florida, which is the "lightning capital of the world."
I've never found a good solution to lightning-fried electronics (random power supply components are destroyed and/or fuse blown), other than renters insurance or homeowners insurance.

Your only real hope for an economical fix is to look for a blown fuse, and replace it.

If desperate to attempt a fix on your own, you could try replacing the entire TV power supply as a module, but even this provides
no guarantee of a fix - lightning damage can extend beyond the power supply.
When traveling, I will always unplug everything before I leave (except the security system),
and also turn off the breakers to unneeded house circuits (which kills the wall switches that
control interior lighting - forcing a burglar to use their flashlight instead of interior lighting)
which is the least convenient lightning protection, but highly effective, and cheap (free).

Sep 05, 2011 | Mitsubishi WS-55511 55" Rear Projection...

2 Answers

Won't turn on. No click, no power light, nothing.


dear,

check its fuse first..yes, the basic thing is fuse..if its ok then we will do further..

regards,

Oct 12, 2008 | Toshiba 57H82 57" Rear Projection...

1 Answer

The kids left the tv on all night and turned off in the morning. Next time we tried to use it, we had no picture (blank screen) and no sound, but the power light does come on. Where can I start looking for...


I don't know of a parts outlet but searching will find this part. I am betting that you blew out the video card itself. This usually happens with a lightning strike or a power surge and a power surge strip you buy from a home center is not what it advertises and will not work. It will be obvious if you pull the back off of the TV and look at the input cards, one of them should be fried. If you find the fried one you can pull it, take off the part number and start looking for a replacement. These cards can be fixed but it will take someone that knows what they are doing and a ton of patients.

Jun 16, 2011 | Mitsubishi VS-70707 70" Rear Projection...

1 Answer

I have a toshiba tz50v51 projection tv. the red power light is on


It could either be due to the convergence Circuits ( If the Power Indicator Blinks) or the power deflection board if it doesnt blink. I have a source for parts if you would like the link.

Jun 20, 2009 | Toshiba TZ50V51 50" Rear Projection...

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

Lightning struck the cable tv line coming into the house. All of the electronics connected to the cable quit working. I took the back off of one of the tvs, and could not find any sign of scotch, burn,...


A lot of electronic devices have built-in on-board surge suppressors such as MOV's, and avalanche diodes - these could get damaged during a lightning strike. Fuses are another possibility. Beyond that, gotta take out your DMM and oscilloscope and start troubleshooting, or see a technician.

Aug 26, 2008 | Televison & Video

1 Answer

Surge from lightning strike damaged tv and won't turn on.


Unless you are skilled at trouble shooting power supplies , you will be better off getting a skilled repair center to repair yourset. If its repairable I have seen surges from lightning strikes make the set no longer cost effective to repair.

Jun 18, 2008 | Televison & Video

1 Answer

Lightning strike


Hello bkindle.....not a boat anchor YET!!!! Had similar problem with WS-55513 and it turned out to be a faulty DM board. There are 4 capacitors on the board that may have blown. If yo can solder, it is a pretty easy repair. I purchased a PDF manual for mine online to get familiar with the model.

Otherwise, you can expect to pay between 275.00 for a repaired board OR between 350.00 and 450.00 for a replacement board from Sears or Mitsubishi.

Hope this helps. I know it is frustrating but be patient.

Good Luck - Richard (MetalDad)

email: PentiumDreams@aol.com

Jun 12, 2008 | Mitsubishi WS-55513 55" Rear Projection...

1 Answer

Dura brand bh2004d will not come on custamer said lighting hit it but the fuse was not blown.


If the TV was not on a surge protector during a lightning strike there could be more wrong than just a fuse. Any number of components could have gone I.E. capacitors, relays, or transistors. Unless you have extensive troubleshooting skills down to the component level...i would just call it a loss.

Feb 22, 2008 | Televison & Video

1 Answer

Follow up on "no power to my tv"


3d picture ...sounds like to me a convergence amp issue...what type of tv is this?

Dec 01, 2007 | Televison & Video

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