Question about Sceptre X37sv-Naga 37 in. LCD Television

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Cannot Turn on Monitor and Standby Red light is gone

I used my monitor, on evening, without issue and I had turned it off using power button on bottom right of screen. then, the next morning, the "stand-by" light which glows red when monitor is off, was not on. I attempted turning the monitor on utilzing the remote and the power button on the screen intself, but still it remained completely off with no standby light of red or "on" light of green. i tried different outlets, switchin light switch, readjusting power to insure plugged in at BOTH ends...perhaps there are some other common sense things that i cannot think of, or maybe there is someone out there who knows of this type of affliction and has a recommendation or solution. thank you for reading. your time and consideration is appreciated in this matter.

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Re: Cannot Turn on Monitor and Standby Red light is gone

If the power cable and power outlets are working and the TV still won't power up, then there's nothing much you can do. The power supply unit in your TV is blown. You'll have to get it replaced.

Posted on Jul 29, 2007

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I got a used LCD1932 Lloyd's TV/Monitor. The top has a standby button, turns it on, but u hit same button to turn it off, it has red standby light that stays on, does that mean it's always on standby

It's normal; if the set do not show a screen at this time. The red light indicates that the set is in standby mode, and it will off, when you hit the standby button again, and the scree will get live.

Oct 15, 2014 | Flat Panel Televisions

1 Answer

Nec pxt-42sx1b won't turn on. We press the on button on the remote and the stand by light turns from red to blue but then goes back to standby.

I see so many here with no sound/nopicture issues:


1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have tobuy and try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.3_26_2012_10_39_22_pm.jpg

Mar 26, 2012 | NEC PXT-42SX1B 42 in. Plasma TV

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Screen won't turn on

You can try to do the monitor self test.
Monitor Self Test:
1. Physically test the monitor autonomously from the computer.2. Switch both the monitor and the computer off, and then disconnect the VGA cable le from the computer.3. Turn the monitor on, pressing the power button for about three seconds. The self-test screen will come up .4. If the image is clear, bright, and shows red, green, and blue, the monitor is working properly. Video issues may be due to the video resolution in the computer, and not the monitor.5. If the image is not apparent and intense or the colors are not accurate, then the trouble is with the monitor or some of the (OSD) settings. In this case, test your particular monitor's information for OSD.
It is always important to check the color of your power light for so you can distinguish if the monitor is defective. Getting red lights on the the power panel states that the power section of the monitor is faulty.

Dec 03, 2011 | Emerson Flat Panel Televisions

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The screen stays black even though it is plugged in and the power is on. we have taken the back panel off and the red light inside comes on when we turn on the power

Make and model? The red LED is on means that the standby 5vdc is working and supplying the power to the main board. Does the TV turn on without the picture but still has sound. Are the backlights on?
You may want to read my guide to understand what it needs to make the TV function.
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures:
Learn about bad caps:
Capacitors kit: he can make you a set of caps.
Or, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Jul 29, 2011 | Flat Panel Televisions

1 Answer

FLX-2610 tv.Has always worked fine. Bought a new desktop todsy & hooked up tv as monitor.Now I can't get it out of standby. Changed batteries in remote but not getting response from on set controls...

Have you tried using the power button on the TV instead of using the remote?

This could be a stress or overheating issue on the TV. Try to power cycle the TV by unplugging the power cord from the wall outlet and leave it disconnected for about 30 minutes, then turn it back on.

If same problem occur, then it's the power supply board that have gone bad. For power supply board problem, It would be best to contact the manufacturer or a repair tech for second opinion.

Good luck and have a great day!

Jan 24, 2010 | Element Electronics FLX-2610 26 in. LCD...

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Monitor Blacks Out Randomly

Well If the monitor is brand new and you just purchased I would take it back and get another one as it appears to be defective. Most stores will allow you to exchange a defective item without a problem as long as you have the receipt. Any attemot to make repairs yourself could void the warranty. If it is used it may still be under warranty...I would get the model/serial number and contact Asus to have repairs made. Most monitors have at least a one year warranty.

Sep 08, 2009 | ASUS VH242H LCD TV

1 Answer

While trying to change channels, my t.v. displayed ''no signal'' and then shut itself off. Now, when I turn it on, it says no signal and turns itself off after a few seconds.

Turn the television on and as soon as the screen turns on repeatily press the input button or change the input to whatever input you are using from a source device. As long as you change it to anything other than RGB.

Your television is essentially a big computer monitor with multiple inputs and a tuner. When using your computer and shutting it down the monitor will go in a power save mode. You don't need to shut off your monitor due to this power saving mode. When you power up your computer your monitor automatically turn on.

With the VIZIO and the RGB (computer) input the television will act just like a computer monitor. When you have a computer connected it will power down automatically when you shut off your computer. When you turn your computer on the VIZIO will automatically come out of standby mode. This is through RGB only.

This is normal operation for the VIZIO but can see confusing when nothing is connected to the RGB input. If you change your television input to RGB it will sense no signal on the input and will go into standby mode after about 5 - 10 seconds. If you were to send a signal to the television through RGB it would automatically kick on.

Apr 05, 2009 | Vizio L37 Television

2 Answers

Magnavox 15mf605t/17 15'' LCD HDTV won't turn on

Have similar TV. If it is set to the PC source, it goes into standby when there is no signal, like a regular monitor. Even though the monitor is in standby, you can still press the Source button to change to, say, HD input, and will use the familiar on/off action when pressing Power on the remote.

A little weird, but I've gotten very used to it.

Mar 15, 2009 | Philips Magnavox 15MF400T 15 in. LCD...

1 Answer


According to the manual for "POWER/STANDBY indicator is blinking in red":
  • "The temperature inside the main unit has become too high and has activated the protector."
  • "Promptly switch off the power of the main unit ans wait until the internal temperature drops."
  • "If the monitor becomes too hot, the overheat protector will be activated and the monitor will be turned off. If this happens, turn off the power to the monitor and unplug the power cord. If the room where the monitor is installed is particularly hot, move the monitor to a cooler location and wait for the monitor to cool for 60 minutes."

Feb 04, 2008 | NEC PlasmaSync 42MP3 42 in. Television

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