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Hi, my sinotec 40" does not want to switch on. No screen, just the constant green blinking light at power button. Help please

Posted by Jesmien Abrahams on

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Tom Chichester

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  • Televison & ... Master
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1. Open internal fuse
2. power supply failure

Posted on Nov 03, 2020

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5 Related Answers

fwadley

Farren Wadley

  • 482 Answers

SOURCE: power supply light has blinking green light

If the power box is bad, The computer will not come on. if you only get a green light, you would need to start with replaceing the power box, if you get a new one and the same thing happens, then the mother board is bad too.

Posted on Nov 27, 2007

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Anonymous

SOURCE: HP FLAT SCREEN TV BLINKING POWER LIGHT/BLACK SCREEN

sounds like the power supply has gone bad.

Posted on Jul 01, 2008

Anonymous

  • 8 Answers

SOURCE: power button is green - no blinks / no picture / no sound

Unplug it from the wall, wait 2 minutes and plug it back in. if problem still exists, its probably the main pcb.

Posted on Aug 21, 2008

Anonymous

  • 8 Answers

SOURCE: magnavox 37" flat screen model no.37mf23id/37

Yes, he means 2200 microfarret (called uf from here on out). Another important concern when buying a replacement is the voltage. You need to get something that is at least 25v. I recommend a 35v or better. Another notable point is that this may not always fix the problem. As with mine, there was also a 1200uf (microfarret) 35v capacitor that was blown. You can tell this because they bulge at the top. I have both of these caps (2200uf 35v and 1200uf 35v) on order and they will be here tomorrow. If I do not post back here then they fixed the issue for me. I suspect that this will resolve the problem. Look for bulges on top of the caps. This is an indication that they are blown. Most all of you experiancing these symptoms will see the 2200uf cap bulging but you may also see others bulging too. If you do then you need to replace those too. No electrolitic capacitor should be bulging at the top so if its bulging its bad, and if its bad then your tv will definitely not work. Have fun.

Posted on Oct 13, 2009

benwabnick

Ben Wabnick

  • 2404 Answers

SOURCE: Light on power on switch keeps blinking, screen blank.

Definitely a problem with the monitor. If you can get the back open then look at the main board and the power board. You will want to look for puffy capacitors. Instead of a flat top it will look puffy like its pregnant.

If you find any like that then you need to replace them with new capacitors that have the same Uf rating and at least the same voltage or higher.

This will take some unsoldering and soldering skills. Make sure the stiped edge gets aligned with the striped edge on the board.

If you replaced them then the monitor should turn back on. If it doesn't then its a screen problem and you'll need to get a new monitor.

Posted on May 01, 2010

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Won't power up, no flashing green light


The constant blinking green light means that the TV is not booting up. This is a common problem on this set.You need to remove the shield from the DM board (standing upright on the left where the DTV RF connector is)and inside you will see the four leaky capacitors (1000 MFD 16 VOLT)replace them,plug the TV in and wait 70 seconds for the blinking light to stop,then turn on the TV.The hard part will be removing the board from the TV(lots of screws and connectors,takes time)

a3d2d2a.jpg Just click below for electronics store online;

Partstore.com.

Mitsubishi- Vance Baldwin Electronics


http://servicemanuals.vstore.ca/


http://www.electronix.com/catalog/


http://www.freelists.org/archives/techassist/


http://www.eserviceinfo.com

Regards,
VOTIT

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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. Viewing it in "Mosaic" or "Magazine" will make surf easy.
http://electronicshelponline.blogspot.com/
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The green led light constantly blinks. I tried the reset button and green light is still blinking. I unplug the tv, waited a few days, then plugged the tv back in, the green light still blinks. I have a lot of experience with soldering. Do you have any suggestions or can send repair directions/protocol for the DM board.
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Power & Yellow Resume Button flashing constantly & will not print


Ok please try




1. Turn off printer
2. Hold down Resume button and press Power button.
3. Keep holding down Power button and let Resume button go.
4. Press Resume button 2 times then let BOTH buttons go.
5. Green lights will flash and then stop blinking.
6. When green lights are solid, press the Resume button 4 times.
7. Press the Power button and the printer should turn off, if not, press the Power button once more.
8. Your printer should respond as normal.


Please come back and just gave a vote, it will gave me some satisfaction to know am helping some one so I will keep on helping.
All The Best: Pineworks

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