Lighting: Replacing Light Emitting Diode

Written By: Matthew Corigliano

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Lighting: Replacing Light Emitting Diode

Difficulty

Moderate

Steps

Time Required

30 minutes

Introduction

Use this guide to replace a broken LED bulb in a Light Angel motion activated LED. Disassembling the device requires a Phillips screwdriver and a plastic opening tool. Replacing the LED bulb requires knowledge of soldering. For users with basic soldering experience, this project will take about 30 minutes.

Tools

Parts

IR LED

Step 1

Using a plastic opening tool, remove the base of the Light Angel.
Insert the plastic opening tool between the base and the LED housing and pull outwards on the handle.

Step 2

Using a Phillips head jeweler's screwdriver, remove the screw on the battery housing.
To remove the screw, turn counterclockwise.
Remember to put all the screws you take out somewhere safe so you can find them when it's time to reassemble the light.

Step 3

Remove and set aside the (4) AA batteries in the battery housing.

Step 4

Using a Phillips head jeweler's screwdriver, remove the (6) screws holding the LED housing together.
To remove the screws, turn counterclockwise.

Step 5

Insert the plastic opening tool into the crease on the side of the LED housing to separate it from the rest of the device.

Step 6

Locate the faulty light emitting diode on the back of the circuit board.
Using a soldering iron and desoldering braid, unsolder the connection on the light emitting diode.
Do not allow the soldering iron to come in contact with other components on the circuit board.
For detailed instructions on how to solder go to How To Solder and Desolder Connections

Step 7

Insert the new light emitting diode through the two holes left from removing the old one.
Note: the picture is not of the Light Angel circuit board. It is a general example of inserting a light emitting diode on a circuit board. Photo Credit: How To Solder and Desolder Connections