Tag: DIP LED display module repair, indoor SMD LED nodules repair, Maintenance of LED Module, LED Display after-sale service

LED Module Repair


Tools required:

 

Electronic screw driver Multimeter
Electronic screw driver Multimeter
Tweezers Soldering machine
Tweezers Soldering machine
Tin thread  Silicon glue
Tin thread Silicon glue

 

 

1. Replacement of the outdoor LED lamp

 

LED lamps do not work or light constantly, possible is the LED module issue. Check the LED module as follows.

 

1.1 Use screwdriver take out the mask screws.

DIP LED display module repair

1.2 Find out the issue LED lamp, test it by multi-meter, if there is not resistance, which shows the LED lamp damaged.

DIP LED display module repair

1.3 Use tweezer to scoop the glue around this LED lamp, then use iron and tweezer take out the damaged LED lamp.

DIP LED display module repair

1.4 Take one spare part LED lamp, and test it by multi-meter, then cut the LED pins, keep the length with in 6 to 7mm, and solder it by iron.(Attention please the positive and negative poles, normally the longer pin is the positive poles, the square based hole on the PCB for positive pole)

DIP LED display module repair

1.5 Add some silicon glue seal up the LED pins , after the silicon glue  dried up , assemble the mask back.

DIP LED display module repair

 

 

2. Replacement of the indoor LED lamp and IC

 

2.1 Add a little Tin then use iron make all the tin floods up  the LEDs and IC melt away.

indoor SMD LED modules repair

2.2 Use tweezers take out the LED or IC.

indoor SMD LED modules repair

2.3 Take spare part IC or LED, solder together with tin and fixed it on the PCB board by iron.

indoor SMD LED modules repair

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