Electronics Forum

Electronics Circuits & Projects discussion forum. Get help with electronics.


Help with LED lights

New to electronics? Don't know where to start. No problem! Post your questions here.

Moderator: pebe

Help with LED lights

Postby woody258 » Thu Jul 04, 2013 2:58 am

I have a led license plate light from my motorcycle that doesn't work. There are two resistors and a third component that I can't identify. Any suggestions to try? I am a novice but have a multimeter and solder gun. Thanks!

[attachment=1]
ledfront.jpg
ledfront.jpg (155.13 KiB) Viewed 7471 times
[/attachment]
[attachment=0]
ledback.jpg
ledback.jpg (149.82 KiB) Viewed 7471 times
[/attachment]
woody258
 
Posts: 1
Joined: Thu Jul 04, 2013 2:35 am

Re: Help with LED lights

Postby oreo57 » Wed Aug 14, 2013 10:35 pm

3 LED's
2 resistors
1 diode of some sort..

Is your multimeter digital? I found w/ mine I can "tset" LED's by putting it on the lowest ohms setting. W/ the correct polarity an OK LED will light...
Or use a Lithium "button battery" (or any 3 v source..) If all LED's are ok .. then my next guess would be the little diode is fried..
My limited understanding can see why the one resistor is there (3 LED's in series would only need 10.5V -ish not 12v or so. ) to drop the voltage.
not sure of the need for the other or the diode ... Looks easy enough to de-solder every part and test each though..
oreo57
 
Posts: 24
Joined: Wed Aug 14, 2013 1:24 pm


Return to Electronics newbies



Who is online

Users browsing this forum: No registered users and 3 guests

Commodore Amiga 500 power supply PSU TESTED WORKING-knockoff?
$27.00
Commodore Amiga 500 power supply PSU TESTED WORKING-knockoff? pictureMotorola MC68060RC50 68060 CPU 50MHz Full FPU MMU PGA-206 Amiga Accelerator 1pc
$469.95
Motorola MC68060RC50 68060 CPU 50MHz Full FPU MMU PGA-206 Amiga Accelerator 1pc picture200x AMIGA MAGNO DDC.4 Ceramic Cone Nozzles – Red Core Sprayer Tips NEW 200
$150.00
200x AMIGA MAGNO DDC.4 Ceramic Cone Nozzles – Red Core Sprayer Tips NEW 200 pictureMITSUBISHI A500 3HP INVERTER DRIVE FR-A560-2.2K-NA 3PH 575VOLT 4AMP
$299.99
MITSUBISHI A500 3HP INVERTER DRIVE FR-A560-2.2K-NA 3PH 575VOLT 4AMP picture


cron