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My led lights start to strobe when I turn on exterior light that is fed from the same line circuit. Solution?

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There are two things coming into play here; the lamps and the dimmer(s).

First; LED and CFL type lamps that are to be used on a dimmer switch - must be identified for that use. Looks for the word dimmable on the packaging or bulb itself. These lamps are generally a little more expensive than their non-dimmable counterparts. If it does not indicate it is dimmable, then it isn't - and should not be installed on a circuit controlled by a dimmer switch.

Second; a dimmer switch that will be used to control LED and CFL bulbs (that are identified for use with a dimmer) must also be identified for use with dimmable LED and CFL bulbs. Again, these dimmer switches will be identified for this use and will cost more than those that work with standard filament type bulbs.

Lutron has dimmers for your circuit called a "C•L™ Dimmer" and supports Incandescent / Halogen, Dimmable Compact Fluorescent (CFL) and Dimmable Light Emitting Diodes (LED) type lamps. have a look here:
Lutron Maestro Dimmer and Switch Models

Also, be wary of the total load (wattage) of the lamps being controlled. If you have multiple dimmers in the same box, derating of the switch's wattage capacity (due to increased heat) will be required.

Posted on Dec 10, 2015

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Posted on Jan 02, 2017

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Picture is dark and has strobe effect to it still strobes even on blank blue screen


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/

To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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Light came on for about 10 secs then started flashing.took batteries out,put them back in and then when it came on it looked like a strobe light..then turned off..I now cannot make it come back on.


The strobe effect is an indication of insufficient contact at either the positive terminal or negative terminal. Check terminals for a tension (pressure) against the batteries.

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1 Answer

My coby flatscreen comes on and works but strobes flashing light but works good just with strobing light ! whats going on?


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.

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1 Answer

How do I turn phone ringer strobe light on in iPhone 6Plus


  1. Launch the Settings app on your iPhone.
  2. Tap on General.
  3. Inside the General menu, tap on Accessibility.
  4. Scroll down a ways and under the Hearing section, turn the option for LED Flash for Alerts to On.

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1 Answer

I need a simple wiring diagram to turn on 40 red leds and 40 green leds on a 9volt battery


Two ways to do it..........

One is a Series circuit, the other is a Parallel circuit.

Of course you can also use a Series/Parallel circuit.

Each LED has a Positive ( + ) connection, and a Negative ( - ) connection.

A) Series circuit:

One side of Switch is connected to Positive ( + ) of the Battery.
The other side goes to the Positive ( + ) of the first LED light.

Then the LED's are connected together in a Series.

Negative of first LED light to Positive of second LED light.
Negative of second LED light to Positive of third LED light.
Negative of third LED light to Positive of Fourth LED light.

And so on, and so on, until you come to No.40 LED light.
It's Negative connects to the Battery.

ONE LED goes bad, and none of them will work.
Old Christmas light strings are set up this way.

B) Parallel Circuit:

Switch to Battery - Positive ( + )
Wire goes from Switch, to 1st LED light's Positive connection ( + )
Then wire from 1st LED positive, to 2nd LED Positive ( + )
Then wire from 2nd LED Positive to 3rd LED Positive.

And so on, and so on, until you reach the 40th LED.

Then wire comes from Negative ( - ) of Battery, to Negative of 1st LED.
Wire from 1st LED to Negative of 2nd LED.
Wire from 2nd LED to Negative of 3rd LED.
Wire from 3rd LED to Negative of 4th LED.

And so on, and so on, until you reach 40th LED.
Wire connects to Negative of 40th LED. Then a wire connects from 40th LED Negative, and goes to Negative of Battery.

http://en.wikipedia.org/wiki/Series_and_parallel_circuits

Series Circuit;

http://en.wikipedia.org/wiki/File:Series_circuit.svg

Over to the Left side you see the Battery symbol. There is no switch in this circuit.

In the Battery symbol, the Longer line represents the Positive pole.
(Positive connection)

Resistors are represented by the squiggly lines. In place of them put your LED lights.

A Switch would go in-between the Battery, and first LED light; on the Positive side.
(ALWAYS put the Switch on the Positive side. Can explain in detail if you need)

[The Top line in the diagram, is the Positive 'wire' ]

http://www.autoshop101.com/trainmodules/elec_circuits/circ114.html

Parallel Circuit:

http://www.autoshop101.com/trainmodules/elec_circuits/circ122.html

In a Parallel circuit, if one LED light goes out, the rest stay on.

For additional questions please post in a Comment.
Regards,
joecoolvette

Apr 12, 2013 | Computers & Internet

1 Answer

I have a stanley Ultra Bright LED Spotlight - I plugged it into the charger until the light turned "green". Unplugged it and went to use it and now the light flashes on & off constantly like...


Mine did the same thing so in desperation before disposing of it I did the following and it worked. I turned it on and while strobing, I locked it in place wanting to run the battery completely dead before recharging. It ran that way for about 45 seconds, it beeped and started working correctly. It may only be temporary, but worth a try.

Sep 12, 2011 | Garden

1 Answer

Flashlight won't turn off


It sounds like the on/off switch is defective. Unscrew the battery cap to keep the light from draining the batteries.

Mar 15, 2010 | Camping, Backpacking & Hiking

1 Answer

Fax sent and copy has a 2 inches black belt on left


This is scanner defect. You could have a scrap of paper or something in the slot where your documents are fed in but I suspect that the scanner led array has a few bad led's and that is what is causing the black line. When your original is fed in there is a "light bar" that lights up to scan the original. This light bar is made up of a row of small led lights. I have seen these led's loose connection so that a few do not light up and this causes the problem you describe. They are usually repairable but the problem is you can replace this fax with a new one for under $100 and the repair most likely will cost more.

Dec 25, 2009 | Brother FAX-1020 PLUS Plain Paper

3 Answers

My Hayward Colorlogic pool light is flashing like a strobe light


That particular swimming pool light has a power-cycle feature that allows you to change the way your light illuminates your pool simply by turning it off and on. A strobe like effect is one of these power cycles. To change it, simply turn the switch off and then turn it back on within 10 seconds. It should reset to another cycle. It is is left off over 60 seconds, it resets to the first cycle, which could be the strobe. If cycling doesn't solve the problem, your bulb has probably malfunctioned and you are going to have to have a repair tech service it.

Jun 16, 2009 | Hayward 12v LED Color Logic Pool Light...

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