Question about Toshiba TZ50V51 50" Rear Projection Television

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No pic no sound

U turn it on the power light comes on with no pic or sound and after awhile it shuts itself off... This happened after a lightning storm

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Sometime the overheated ic in the convergence section are the problem I have fix some

Posted on Aug 23, 2008

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1 Answer

What caused it to shut down?


Probably abrupt power supply failure

Feb 22, 2016 | LG Televison & Video

1 Answer

The tv shuts off by itself. I will turn it on..and after awhile, it just turns off by itself, and then after about a minute I can turn it on again and watch tv for awhile, and then it will do it again.


It seems that your unit has some sort of PSU fault, or a problem that is shutting down the Power Supply Unit, PSU. This happens so that no further damage, and possible fire will occur. The faulty component(s) are heating up, tripping the fault control, and shutting down, it cools down again,and will restart, then the process repeats, it will eventually fail fully.
You need to take the unit to a reputable service centre/man and ask for a firm "Quote" for the work to be done. It is that sound that gives it away, this is a typical switchmode Power Supply problem.

Mar 04, 2010 | Televison & Video

1 Answer

I replaced the lamp bulbs and the TV worked fine for awhile but shut off after about three days of use. I unplugged it and waited awhile to plug it back in the timer light blinked for awhile and then went...


While it is suspicious happening so soon after lamp replacement, your main power supply may have failed. In earlier sets, these were problems that eventually happened.

Feb 15, 2010 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

No sound from Sony SA2500 subwoofer


Please intimate exact model number written on sticker pasted at back of Sony subwoofer to provide you help.

Aug 01, 2009 | Sony SA-WX700 Subwoofer

1 Answer

I have a gateway ma7 laptop and press power and get nothing


When the computer is off, unplug the power cord from the laptop and then plug it back in. See if the charge light (lightning bolt symbol next to the led) comes on or turns green/blue. If it doesn't your power supply may not be working, even if the light on the supply is on. Second is the battery may be damaged. Remove the battery and see if you can power on at all.
If it boots with only the cord, the battery is bad/shorted forcing shutdown.

Apr 11, 2009 | Gateway MT3705 Notebook

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Flashing lightning bolt on Compaq C300


This sounds like a battery problem. The best way to test this is to remove the battery and then power the laptop up with just the power cord plugged in but no battery. If the computer boots then the battery is bad you will need a replacement. Also try letting the battery charge for a day. Be sure that the charging light is coming on when you have it plugged in.

Dec 09, 2008 | Compaq Presario Notebook

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Sony kv32fs16 problem


The STANDBY light is flashing on the television and there is no picture or sound. Solution
sp.gif sp.gif The STANDBY light will flash if an issue is detected within the television. This can sometimes be resolved by simply following the steps below to reset the television.
  1. Turn off the television. IMPORTANT: For a projection television that uses an internal lamp, wait 5 minutes after turning off the television to allow the lamp to cool before continuing with the following steps.
  2. Unplug the television power cord from the electrical outlet.
  3. Let the television remain without power for 60 seconds.
  4. Plug the power cord back into the electrical outlet. NOTE: If the television is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the television.
  5. Turn on the television.
If the issue is still unresolved after following all of the troubleshooting steps, service may be required. Please note the number of times the STANDBY light flashes and relay that information to the service center.

Nov 02, 2007 | Sony FD Trinitron WEGA KV-29LS35 29" TV

1 Answer

Pioneer sd532hd5/kuxc/ca powers down on its own


Could be a few things.First check your sleep timer.Sounds like a fail safe mode that when the tvs left on accidentally it shuts itself down so it wont overheat and die prematurely.The last resort is to remove the circuit board and carefully inspect the solder joints near the power supply with a magnifying glass and a bright light.Then resolder those.

Nov 09, 2006 | Pioneer PRO-100 TV

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