COMPUTER inspirations RGB MR-16 LED PCB Assembly Instructions & Technical Manual Download Page 3

Assembling the RGB PCB Kit with 18 LEDs

Please verify that your kit contains the following parts:

1.

2 – 300 

Ω

 

¼

 W resistors

2.

2 – 150 

Ω

 

¼

 W resistors

3.

2 – 120 

Ω

 

¼

 W resistors

4.

6 – 5mm red LEDs

5.

6 – 5mm green LEDs

6.

6 – 5mm blue LEDs

7.

1 – RGB MR-16 PCB

Assemble and solder these parts in the following order (refer to PCB outline below):

Cut a 1cm length from one of the resistor leads and solder across J3.

2 – 300 

Ω

 LED resistors where the Red resistors are located.

2 – 150 

Ω

 LED resistors where the Blue resistors are located.

2 – 120 

Ω

 LED resistors where the Green (Grn) resistors are located.

6 – 5mm red LEDs as marked (

Important: notch goes to the left as shown

).

6 – 5mm blue LEDs as marked (

Important: notch goes to the left as shown

).

6 – 5mm green LEDs as marked (

Important: notch goes to the left as shown

).

Connect three wires to Red (R), Green (G) and Blue (B) ground points as marked.

Connect one wire to the LED +12V common power supply as marked.

C o m p u t e r   I n s p i r a t i o n s

!

A s s e m b l y   &   Te c h n i c a l   M a n u a l

2

Red Resistor 1

Red Resistor 2

Blue Resistor 2

Blue Resistor 1

Green Resistor 1

Green Resistor 2

Install Jumper

Nine LED installation 

+12V Common

Blue Ground

Red Ground

Green Ground

Summary of Contents for RGB MR-16 LED PCB

Page 1: ...RGB MR 16 LED PCB ASSEMBLY INSTRUCTIONS TECHNICAL MANUAL Thursday 5 May 2011 COMPUTER inspirations Our Products are Inspired Computer Inspirations Georgetown ON Canada www c inspirations com...

Page 2: ...LEDs For a 20mA current in each LED string the appropriate resistor value for each set of three LEDs R is calculated from R 50 Vb 3Vf For this example Vb 8V so the resistor value would be 50 8 6 100...

Page 3: ...e Blue resistors are located 2 120 LED resistors where the Green Grn resistors are located 6 5mm red LEDs as marked Important notch goes to the left as shown 6 5mm blue LEDs as marked Important notch...

Page 4: ...ed Connect one wire to the LED 12V common C power supply as marked Assembling the PCB with 9 LEDs Please purchase the following parts 1 3 Suitably valued W resistors 1 70mm x 3 20mm size through hole...

Page 5: ...ts of three series LEDs Ensure all the LEDs on the board light up when power is ap plied 3 Trouble shooting If any LEDs don t light check the following a Are the required jumpers in place b Have all t...

Page 6: ...string Neither J3 nor R6 should be installed in this configuration J1 J2 Installed for a single colour LED populated in all positions These jumpers tie together all the LED series to be grounded from...

Page 7: ...Pr is the resistor s maximum power rating W and Vf is the LED s forward voltage Usually this equation is dominated by the red LEDs current limiting resistance since they have the lowest Vf and conseq...

Page 8: ...Mechanical Dimensions of the RGB LED PCB C omp ute r I nspirations Assembly Technical Man ual 7...

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