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Zenith SM2787BT TV Dead

Was watching tv then heard a pop sound then the was dead. The breaker to the outlet was not blown. Could this simply be a fuse in the tv or something much worse

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With popping sound maybe more but first look for blown fuse inside set. Then if do not make a sound then it could be more.

Posted on Sep 21, 2007

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Posted on Jan 02, 2017

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Was watching my samsung LN55C630 TV and all of a sudden it just went dead. nlo picture and no sound,also the power light went out thats normally on when the tv is off.


Check the circuit breaker first for power to the outlet it is plugged into. If it is in a power strip then make sure that the reset is hit on that. I sounds like you had a line surge for some reason. If all else fails there is a fuse on the power board in the TV. Check to see if that is blown. If not check for black burn marks on the power supply board. Could have blown that altogether.

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Samsung 5054x/xaa front panel blown? Can I fix this?!


Hi Camomia,
This type of repair could be a bit challenging but possible if the screen is not cracked.
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Watching program, heard a pop snap and unit lost all power. Even the vizio logo on front panel is dead.


Seems like a filter capacitor has arced and blown a fuse or a couple of fuses. Open the back cover and check the main fuses. If you replace with new fuses and the TV keeps blowing the fuses then replace the bridge rectifier and main filter capacitor. A local repair shop could take care of this very quickly for you. Its not an expensive repair...
http://www.shopjimmy.com/

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1 Answer

Totally dead. Vizio GV42L


If the circuit breaker was tripped, more likely the fuse inside the TV power supply might also be blown. If that is the case there might be a short circuit in the power supply components, more likely on a diode or transistor/mosfet.
Contact these website to see if they have the parts for your plasma.
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H.V shuts down/


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TV's on. No Picture...No Sound


Have a problem with Zenith 37 HDTV. Medel number: Z37LZ5D As wathcing TV, along with 'pop' sound, TV went dead. LG service center gave an advice to unplug the power cord and press ON/OFF power switch about 1 min. Then plug power back and turn on the TV. Well, the green light blink for a while and solid green, but still no screen, no audio. Search the Web and someone suggested to replace Power Supply Board which will fix the problem. Again, search the Web and came out with Power Supply Board. LG Electronics/Zenith 'Power Supply Assembl' with $124.95 from PartStore.com. Is it the right solution? Do I have to replace entire Assembly Board? not just replacing some fuse? Any cheaper way to do? If I have to replce PSA board, any suggestion to how? Comment posted on Apr 22, 2009 I have a basic knowledge of electric and electronics, such as rewiring entire house for renovation and assemble entire computer from scratch.
Actually, the TV belongs to my father and the problem that I stated was based on what he told me.
So the question is based on the symptom that I posted, how sure are you that the problem is the Power Supply Board?
Is it good to order PSB? Comment posted on Apr 23, 2009 Purchased 2 and half years ago. Expired one year warranty. Comment posted on Apr 23, 2009 Zohail,
This is LCD TV.
There is no problem with the wall socket nor current.
I put other appliances on same wall socket and worked.
It has to be internal problem.
As I mentioned on the main post, there was a 'pop' sound while watching and TV went dead.
Turn on remote control, there is blink green light and then green stays on, but no sound, no screen.
Turn off remote control, light turns red. Comment posted on May 14, 2009 I fixed the TV.
Orderd power supply board which cost me $136.51 total.
Replacing was simple.
Just removed the rear panel cover then electronic board housing cover.
Took power supply board with all the connector cables and replaced with new one.
Problem was a transformer connector which got burned and blow up the plastic cover.
But no problem with fuse and capacitors.

Thanks all for advises.

Jan 01, 2008 | Zenith Z37LZ5D 37 in. LCD TV

2 Answers

Dead tv


Sounds like a power supply problem. I am sure that the pop is the fuse blown. If the fuse is blown, this means that there is a short somewhere. Rear projection TV are like LCD projectors. And all of them use Switch mode power supply. If you are lucky, there is a chance that a protection device (like a varistor) is sorted. This means that removing this, even without replacing will bring your TV to life, however... Most probably the power supply is defective.

May 22, 2007 | Panasonic PT-50LC14 50" Rear Projection...

1 Answer

Toshiba tz50v51 popping sound


Possible problems: * The TV set may be unplugged. * A fuse or circuit breaker may be blown or switched off. * The remote control unit (RCU) may be disabled. Solutions: * Make sure the TV/VCR are plugged in and the wall switch is on. * Check the fuse or circuit breaker. Test the outlet with a lamp. * Replace the RCU's batteries: if this fails exchange the unit.

Jan 18, 2006 | Toshiba TZ50V51 50" Rear Projection...

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