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:
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Electronic screw driver
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Multimeter
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Tweezers
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Soldering machine
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Tin thread
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Silicon glue
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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.
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1.1 Use screwdriver take out the mask screws.
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1.2 Find out the issue LED lamp, test it by multi-meter, if there is not resistance, which shows the LED lamp damaged.
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1.3 Use tweezer to scoop the glue around this LED lamp, then use iron and tweezer take out the damaged LED lamp.
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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)
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1.5 Add some silicon glue seal up the LED pins , after the silicon glue dried up , assemble the mask back.
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2. Replacement of the indoor LED lamp and IC
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2.1 Add a little Tin then use iron make all the tin floods up the LEDs and IC melt away.
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2.2 Use tweezers take out the LED or IC.
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2.3 Take spare part IC or LED, solder together with tin and fixed it on the PCB board by iron.
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Page address: http://www.verypixel.com/service/LED_Module_Repair.html