Smartphone Troubleshooting And Repair by

Language: eng
Format: azw3
Published: 2014-04-20T16:00:00+00:00

How to Check an LED ( Light Emitting Diode)

Set the Muti-meter to x1 connect the positive probe to cathode and the negative probe to anode. The good and working LED will then light up or glow, a busted LED will not.

How to Check a Coil?

Set the multimeter to X1 a good and working coil have a reading approximately point to zero ohms, without any reading means the coil is open or busted.

How to Check a Fuse?

A blown SMD Fuse is not visible to our naked eye, just set the multi-meter to x1 and put both test probe to both end side of the fuse. A full reading here to zero or continuity check is full. without any reading means the fuse is already busted.

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