Led replacement for jbj 12g
- Thread starter Starrhmsp
- Start date
colorful1180
New member
So easy to replace leds.
Tools needed: Phillips screwdriver, soldering iron, flux core solder, Needle nose pliers, pick.
Parts needed:Epistar or Bridgelux 3w leds
1. Note location of diode you will be replacing. Note on paper with location of power cords in case you get spun around.
2. Remove 8 screws from outer case. Pull up top cover and carefully flip over Pic 1 and 2.
3. Disconnect two wires connecting drivers to heat sink plate. You can mark the right side with a marker in case you get the heat sink turned around at some point.
4. Remove 4 small screws holding down the heat sink.
5. Carefully pull up on heat sink, you may need to use the pick in the screw holes to get it up enough to grab.
6. Flip over heat sink to expose diodes and optics. Note which way you flip it, it will now be 180* off your paper.
7. Remove the optic from the diode you plan to replace. The optics just slide over the diodes and clip in place. Yours may be stuck slightly on the thermal past. Give it a slight tug and it will come right off.
8. Use the soldering iron to heat the solder on the right side, once shiny use the pick or needle nose to pull up on that side of the diode. Keep the heat on the tab. It will slowly heat through and release. Give a second to cool before letting go with the pick.
9. Repeat on the left side. You now have the diode removed. Check the thermal past, it should be tacky to the touch.
10. Use the soldering iron to smooth out any solder left on the board, it must be flat in order for the new diode to rest all the way down making contact with the heat sink.
11. Holding the diode in place, pushing down, heat the right tab until the solder underneath turns shiny. Remove the soldering iron but keep pressing the tab down for a couple seconds.
12. Repeat on the left side, making sure the diode is contacting the heat sink. When completed, you can then add a small amount of new solder to each tab. Do not go crazy and keep it neat, the optic must clear the tabs and solder to snap in place.
Also you can search for videos on Youtube, that's very helpful.
Tools needed: Phillips screwdriver, soldering iron, flux core solder, Needle nose pliers, pick.
Parts needed:Epistar or Bridgelux 3w leds
1. Note location of diode you will be replacing. Note on paper with location of power cords in case you get spun around.
2. Remove 8 screws from outer case. Pull up top cover and carefully flip over Pic 1 and 2.
3. Disconnect two wires connecting drivers to heat sink plate. You can mark the right side with a marker in case you get the heat sink turned around at some point.
4. Remove 4 small screws holding down the heat sink.
5. Carefully pull up on heat sink, you may need to use the pick in the screw holes to get it up enough to grab.
6. Flip over heat sink to expose diodes and optics. Note which way you flip it, it will now be 180* off your paper.
7. Remove the optic from the diode you plan to replace. The optics just slide over the diodes and clip in place. Yours may be stuck slightly on the thermal past. Give it a slight tug and it will come right off.
8. Use the soldering iron to heat the solder on the right side, once shiny use the pick or needle nose to pull up on that side of the diode. Keep the heat on the tab. It will slowly heat through and release. Give a second to cool before letting go with the pick.
9. Repeat on the left side. You now have the diode removed. Check the thermal past, it should be tacky to the touch.
10. Use the soldering iron to smooth out any solder left on the board, it must be flat in order for the new diode to rest all the way down making contact with the heat sink.
11. Holding the diode in place, pushing down, heat the right tab until the solder underneath turns shiny. Remove the soldering iron but keep pressing the tab down for a couple seconds.
12. Repeat on the left side, making sure the diode is contacting the heat sink. When completed, you can then add a small amount of new solder to each tab. Do not go crazy and keep it neat, the optic must clear the tabs and solder to snap in place.
Also you can search for videos on Youtube, that's very helpful.
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