Question about Sony FD Trinitron WEGA KV-36FS120 36" TV

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Help with power supply

I did check my breaker box and changed to different power strips...still have power to everything else but not TV...Is this something I can fix myself? Where would I find the fuse box?

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Is it Sony KV-36FS120 model or some thing else. Please confirm.

Posted on Sep 08, 2008

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Why doesn't it turn on?


There could be an issue in the power supply. I am assuming here that there is an external PS or power brick and some call it that plugs into the tv. Crack that open and take a look at the caps which look like little tubes or little boxes if any of them are blown open, bloated, or misshapen then that it more than likely your problem. Common misconception is that power strips safe guard you from power surges, but unless you paid big bucks like over 150$ then you have no surge protection other than your homes breaker box. Power supplies are easily replaced as they are the most common failure in televisions. If you don't notice anything that looks off, try buying a power supply from somewhere reputable like amazon.com where you can buy a power supply and return it if there is no issue. If you do find something let me know and I can help you find what you need.

Jan 31, 2016 | Hisense 50 Class 1080p LED Smart HDTV -...

1 Answer

My Sanyo TV (Modele # DP42840) has a problem?


It sounds like the power supply inside the TV is failing. You can try disconnecting everything that is plugged into the back of it EXCEPT the power cord and one source cord (ie: the cable or HDMI from your video source (like the cable box.))

If that doesn't help, then an electronics technician would have to troubleshoot the internal power supply.

Aug 31, 2015 | Sanyo Dp42840a

1 Answer

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

We had a thunderstorm with lightening in the area. The LG was plugged in at the time, but NOT turned on. after the storm, the tv will not turn on. the little green button turns from red to green...


As an electrician, when someone loses more than 1 item of electronics in a day, its almost
always traceable to a nearby lightning strike, accompanied by inadequate surge protection for
the VCR/TV/Computer/Stereo/uninsured valuable electronic item/XBOX 360. Surge protection can
be provided by the consumer at the power strip (a good one with builtin 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 protection, or per-circuit protection at
the breaker box, where 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), other than renters insurance or homeowners insurance.
The converter box may be replaced by DirecTV, you'd have to contact their customer
service at http://www.directv.com/DTVAPP/content/customerservice
If desperate, 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).

Aug 17, 2011 | LG Televison & Video

1 Answer

Both of my tv's died yesterday. My apex wont turn on anymore an the panasonic has no picture. Whats wrong.


As an electrician, when someone loses more then 1 item of electronics in 1 day, its almost
always traceable to a nearby lightning strike, accompanied by a lack of surge protection for
the VCR/TV/Computer/Stereo/uninsured valuable electronic item/XBOX 360. Surge protection can
be provided by the consumer at the power strip (a good one with builtin 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 protection, or per-circuit protection at
the breaker box, where 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), other than renters insurance or homeowners insurance.
If desperate, you could try replacing the entire 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).

Aug 15, 2011 | RCA F36450 36" TV

1 Answer

SHORTED THE DRYER BY TOUCHING WIRE TO BODY, THERES POWER INSIDE THE DRYER(LIGHT ON), BUT NOTHING HAPPENS WHEN SWITCH IS ON, CONTINUITYIS GOOD ON START SWITCH, WHERE DO I GO NOW


Power to the dryer is 220 volts, with half of the total voltage supplied by each of two breakers. The breakers are combined into one larger breaker, but each side of the breaker connects to a different buss bar in the breaker box. What it sounds like is that one half of your breaker is tripped, and the remedy is to trip the double breaker in order to reset the half that is tripped. If tripping the breaker off and back on does not restore the operation of the dryer, trip the breaker back off, unplug the dryer, and check for any burned wires at the terminal strip where the cord connects to the dryer. Replace any defective or burned parts.
Best regards, --W/D--

Mar 06, 2011 | GE DBXR463EBWW Electric Dryer

1 Answer

Hello my name is Amy & I have a 50 inch toshiba dlp (56hm66). I have no lights on or power. It's completely dead!!! I read the manual & followed everything about the lamp, how to restart, made...


Tv have no power at all?U already check the source?Yes,most likely the tv DM power supply board is dead or could be anythings on the highvoltage deflection circuitries on the tv.Check the DM power supply board like for dying or dead capacitors and circuit fuse breaker.Have no skills to do this call and get an estamate by tv Tech. to get it fix.

Jan 13, 2011 | Toshiba 50HM66 52" Television

1 Answer

Samsung LN-S4051D goes on and off by itself. Repeatedly.


1 Bad inverter circuit (used for back lighting the LCD panel)

2 Bad secondary power supply too the inverter circuits

Especially if its a switch mode power supply connected to twin phase inverters. This problem almost always happens under that particular engineering scheme. Switch mode power supply's are horrible at sustaining high voltage CCFL back lights.

Your tv needs professional servicing!

e-mail me if you need more info or advice....




Jan 28, 2009 | Samsung LN-S4051D 40 in. LCD Television

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.
Good Luck.

Dec 03, 2008 | Vizio GV42L 42 in. LCD Television

1 Answer

32" visio tv tripping power throughout the house


I would have an electrician check to see if you have a grounding issue. Especially at the outlet that you have the power strip supply plugged in, Check to see what kind of your circuit panel is going to trip for electrical arc or electrical short. Newer panels should have both. Older just for electrical short. Have your electrician make sure your wiring is entirely copper, if it isn't and it's aluminum. Have him make sure the outlets are aluminum rated, and not designed for copper. Defintely check grounding. Good Luck

Oct 27, 2008 | Vizio L32 32 in. LCD HDTV

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