LED Video Light Dimmer Not Dimming - Help Me Decode Transistor Names?

E

EditorInChief

New Member

• Oct 1, 2015

• #21

I did some testing and the ones marked 102 were all about 1000 ohm, but the one marked 472 was much less, then I found this

https://www.hobby-hour.com/electronics/smdcalc.php

20 ohm!!!

 

ericgibbs

Well-Known Member

Most Helpful Member

• Oct 2, 2015

• #22

OK, so replace the 20R, if you cannot get a surface mount type use a 0.125Watt 22R regular resistor as a replacement.

 

E

EditorInChief

New Member

• Oct 5, 2015

• #23

I was replacing a 20 ohm resistor, ended up using two 10s in series and...

WHOLE THING WORKS LIKE A CHARM!!!! COULDN'T HAVE DONE IT WITHOUT YOU GUYS, THANKS A BUNCH!!!!!

 

ericgibbs

Well-Known Member

Most Helpful Member

• Oct 5, 2015

• #24

As I used to jokingly tell my clients the product warranty ran out after the first set of traffic lights,, the extended warranty, the second set of traffic lights.

Don't short it out again Ed.

Eric