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August 12, 2017 18:08

Repair LED lamp at home

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Content

  • 1 Types of breakdowns and their causes
  • 2 Preparing for repair LED lighting
  • 3 design of LED chandelier and visual inspection
  • 4 The easiest way to test the circuit lamp LED
  • 5 Troubleshooting failure with remote control chandelier
  • 6 Radiators
  • 7 Conclusion
  • 8 Video repair chandeliers management

savings and design in the field of lighting led advanced technology in almost every house.Many change the usual basement chandeliers on cost LED products.Not everyone knows how to repair the LED lamp by yourself, the more details of what he is inside.As a tool to use in case of breakage, to start the whole process.Let us try to understand in detail, what are the breakdown in devices and some LED lamps to repair their own hands.

Types of breakdowns and their causes

  • Typical damage: partial or complete absence of light, brief flashes or spontaneous shutdown failure.Causes temperature reached above 50 degrees, the gap and the contact holder of the filament itself, if paid option, not a tube, detachment of contacts on the board.
  • fading LED, partially or completely.Cause: Over-voltage network, blown capacitor (breakdown).Usually destruction takes place in the cheapest options boards.
  • There are additional reasons leading to failure of the device, namely, a short-circuit in the circuit, incorrect connection to the network, failure to comply with the device connection diagram during assembly.
  • bad soldering circuit contacts to the LED board, a weak fastening of wires in the basement of the lamps.Weak soldering conductive elements (wires, tires).Reason: The factory defect.Repair many chandeliers with LED control is carried out for this reason.

Preparing for repair LED lighting

Before you repair the LED lamp, remove the device.You will need some tools;thin screwdriver with flat end, Phillips.If the connection has been installed with the help of twists, will need pliers with insulated handles, masking tape and instrument multimeter to check the contacts.Tweezers come in handy in working with small details.

need a soldering iron with a fine tip and solder (preferably use a special nozzle).Drill with a drill of 2.5 mm., Can also be useful, disconnect the basement of the lamp, drill out the mounting.Several thin wires of 10 cm., Length.
Attention!Perform electrical work without special tools protected forbidden!

design of LED chandelier and visual inspection

with remote control Chandelier appeared not so long ago.Few people familiar with their device.Carrying out repairs of LED ceiling chandelier need to know the structure, just in general terms.We will understand more of what it might consist.

chandelier in parsing

  • Simple LED chandelier consists of the case, the controller unit or the driver.It is used as a voltage rectifier.It installed terminals or screw terminals, which is connected to the mains supply.Then, from the unit run wires to the lamps.There may be from one wire under normal lamp 12 under design variant of the apparatus.

filling lamps with control

  • A more complex version of the product consists of the antenna unit by lighting control, voltage regulator or more blocks, providing automatic configuration.The raster fixtures can be several different types of drivers and LED elements, lamps.From a particular type of lighting device independent check and repair components.

Why do I need to know or find out the design before starting to repair the LED lamps.The reason is simple, you want to determine where the control units in chandeliers or in the lighting element lamp.Here we need the very scheme of LED lamps.

Repair LED running lamps without the remote easier to hold.There is nothing complicated, assembled in one type, one or more diodes (possible compact bridge), electrolytes (capacitors), a pair of resistors (resistors), and coil winding.This is the simplest circuit, without protection, there are many options for, but we are Let us examine just a simple diagram.

  • removing the lamp, check the charge on the presence of visible defects, wire breakage of Lamp raster LED tsutstvie such a good sign.
  • Remove the cover or decoration around the lamp, remove the lighting elements.Inspect the base, scorched places speak of poor contact.If they are, try to clean them with a knife.
  • Recompress terminals, or twisting, tighten the screws on all detalyah.Ne discover visible defects, go to the inspection lamp.Option block the light, where relays and lamps are side by side on the big board, considered as a repair lamp described below.
  • Repair LED lamps with your hands start with the definition of the place of breakage or failure.

The easiest way to test the circuit LED lamps

  • Fix the lamp with a smaller diameter of the plastic bottle, cut off and inserting it in a lamp.

check LEDs type SMD an easy way to check the contacts in the LED circuit board

Energize better separate power supply, the lamp, if it is 12 or 24 volt rating.Ping the device is not damaged need all the LEDs in the chain.But the way there is easy by connecting the lamp to the power supply to carry out some simple manipulations with forceps.

  • alternately close (to throw the jumper) pins of each LED with the tweezers, or wire stripped and tinned contacts.
  • lamp lights up when you find (loop ends contact) on the LED burned.If it does not, see below in the chain.
Instruments
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  • not necessary to buy a new LED, just fix it, throw a small bridge between the contacts.Be sure to remove the remains of the burnt LED Strip payment of a deposit, it is about
    LEDs block , modular

    LEDs block, modular

    leads electricity.

Check the charge on the cause burnouts, bloating capacitors, carefully check the tracks on the motherboard controller.Ragged solder contacts.

Important: You can not replace the LED jumper, when the total chain of less than 10, there will be an overload of capacitors, LEDs block, will burn when they are 3 pieces in one package.Determine
they can be dark for three points in yellow or white crystal.

Troubleshooting failure chandelier with remote control

repair LED chandelier is often necessary to do because of the overheating of the matrix itself.First, unscrew the mounting and visually inspect the inside of the chandeliers.Then gently try to move the fee on the spot.Determine if there are any broken wires from the control unit, if a wire from overvoltage otgorel.If otgorel, solder into place.Check all the details one by one.lamp in the analysis + test circuit

then you will need the original chandeliers scheme.Without it, you can only carry out repairs chandeliers without remote control.If there is a remote control unit, change the batteries in it with new elements.LED lamps with a remote control are common, there is need to identify the failure, the exact scheme chandeliers controller.block diagram with

Block chandelier management usually tightly sealed into the shell, and it draws a circuit manufacturers.Only this circuit wiring and lighting elements.

There are also units with collapsible body, then simplified version.If not collapsible box tinkled with a tester output signal to the lighting elements (LEDs).In the absence of energizing the cause may be damage to the signal receiver.Parse it, visually check the contacts and the tracks on the board, the integrity of the parts.If the supply voltage goes to one branch lighting means failure in the control unit, not in the receiver signal.

Laying straw made ​​of sandstone 1

Burnt item can vypayat and ping, to start all resistance (see the diagram), by putting on the device icon Ohm.Then, the capacitor, the benefit they have designations, polarity and type is also important during the scan.

capacitors

Designation Scheme

capacitors

If you find inconsistencies in the denomination solder.

chandelier Block Management is responsible for the intensity and mode of burning LED elements.Infringement of one of the chain (in the form of a plafond lamp) does not incapacitate unit may fuse blows.

with the scheme of the remote unit

Still, blocks check whether they melted places to eat, replace it with a new one.Improper connection of wires burning only parts in the power supply.Power regulator is protected from excessive loads.It can ping scheme.circuit connection

Radiators

Many models of controllers, drivers and power supplies LED lamps come with cooling radiators.They made the seat through which the chip or other control gives warmth.Most lamps radiators are present.

absence of special lubricants, thermal grease, heat the cause of the majority (15%) boards and blocks.Remove and check if it is applied on the seat plane.

Tip: Thermal Grease Apply a thin layer over the entire surface of the seat, a large number will only worsen the heat transfer.Additional screwing of a thin aluminum plate to the radiator, the heat transfer can be increased, and the installation is carried out without blocking the main air flow passing through it.

Conclusion

As usual do not see anything in the repair LED ceiling chandeliers, no.Himself to do it is not so difficult.It should be a little patience, a little practice and a tin droplet knowledge.Of course a variety of lamps, lights and all kinds of chandeliers, do not make us miss in the process of repair.But this amount of detail, will help us to understand the exact scheme of LED lamps and of course a great desire.

Video repair chandeliers management

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