How to repair SMD Lamp ?

1.Tools and materials in need

repair001

Welding wire (chemical name TIN, Same material as the material connecting the LED lamp leg with PCB )
Function: connecting PCB and LED lamp , remove the LED lamp from PCB

repair002

Tweezers

Function : Take SMD lamp , position LED lamp on PCB

repair003

Electric soldering machine

Function : Heating the TIN , (soldering the lamp and remove lamp by heating the TIN)

Process of repairing

repair004

LED lamp broken ,PCB need repairing

repair005

Back view of PCB

repair006

Connected with signal cable and power cable

repair007

Find broken LED lamp which display un-normal(broken)

repair008

Heat the SMD lamp leg with electric welding machine and connected the welding wire

The welding wire become liquid when heated and the TIN can removed . And LED lamp can be removed from PCB .(Remove the right side of lamp )

repair009

Process same as above (Remove the left side of lamp)

repair010

LED lamp removed from PCB , Clean the surface of soldering position on PCB

repair011

If Lamp is broken , take new lamp with tweezers put lamp in right position on PCB if your lamp is in well , just clean the legs and reposition on PCB

faq0001

Fix the right side legs of lamp with PCB

(the legs on each side should be well soldering without any extra TIN and disconnected from each

legs , should be some like other lamp )

faq0002

Fix the right side of lamp with PCB , same way like above

faq0003

Clean the extra TIN on both side of Lamp legs and clean the TIN on PCB with electric soldering

machine .ensure the led lamp in right order on PCB

faq0004

Ensure the lamp in same color with other lamp , if not same ,need trail soldering till in well

soldering , you can get full experience after several times of repairing .

faq0005

Testing the PCB ,the lamp repaired in normal , the PCB can be reassembled to Panels

INQUIRY NOW
  • * CAPTCHA: Please select the Star

WhatsApp Online Chat !