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#152016 - 22/05/2003 16:41 Re: Just a little while longer [Re: tman]
maczrool
pooh-bah

Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
Good one! If I make it into a song it will make the time pass more quickly!

Stu
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#152017 - 22/05/2003 19:16 Re: Just a little while longer [Re: tman]
mlord
carpal tunnel

Registered: 29/08/2000
Posts: 14472
Loc: Canada
Cool. Hope you haven't made too many in the first batch that have the mistake! Otherwise sanding all of those tiny PCBs is going to be a hassle
Dunno about maczrool, but here that would take abougt 5 seconds per PCB!

Good Luck, maczrool!

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#152018 - 02/06/2003 06:07 Re: Just a little while longer [Re: mlord]
maczrool
pooh-bah

Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
For those of you who don't know, the bare PCBs for the knob illumination are available here.

Stu
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#152019 - 04/06/2003 10:17 Re: Just a little while longer [Re: maczrool]
snoopstah
enthusiast

Registered: 07/01/2002
Posts: 337
Loc: Squamish, BC
And fantastic they are too! I placed an order as soon as I got the e-mail, and was away at the time. Was going to chase up, as I hadn't received any communication but a payment confirmation, only to get home and find it waiting on my doorstep (in the UK)! Excellent service!

Just need to source the LEDs, the transistor, the resistors, the button LEDs, the transparent buttons...
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Empeg Mk2a 128G with amber lit buttons kit - #30102490

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#152020 - 06/06/2003 14:57 Re: Just a little while longer [Re: maczrool]
zaskar
new poster

Registered: 14/01/2002
Posts: 29
Loc: Toronto, Ontario
Do you have the directions for installing all the parts onto the board, the board on Brian's page is a little different then this one. I'm not sure what part goes where and how the Led's should face.

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#152021 - 06/06/2003 15:42 Re: Just a little while longer [Re: zaskar]
maczrool
pooh-bah

Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
In reply to:

Do you have the directions for installing all the parts onto the board, the board on Brian's page is a little different then this one.




It was designed differently intentionally, not to make things difficult for anyone, but to avoid any conflicts with the copyright holders (Brian?) of the original design. No instructions yet. Hopefully we will get them up relatively soon. Until then, try this:

R1- 10K Ohm resistor
R2-R5 - 100 Ohm resistor
Q1- MMBT3906 PNP transistor
D1-D4- SMD White LEDs, notched half of the LED towards the pad with the "bar" in the silkscreen
PWR- +5 volts on Empeg
GND- Ground
SGL- Control signal for board. Brian gets it from the left lead of the top button LED of the illumination set up.

Hope this helps,
Stu
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#152022 - 07/06/2003 00:10 Re: Just a little while longer [Re: maczrool]
zaskar
new poster

Registered: 14/01/2002
Posts: 29
Loc: Toronto, Ontario
For the LED do you mean the notch of the LED goes toward the arrow pointing on each pad.

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#152023 - 07/06/2003 05:21 Re: Just a little while longer [Re: zaskar]
mtempsch
pooh-bah

Registered: 02/06/2000
Posts: 1996
Loc: Gothenburg, Sweden
The notched end goes to the pad with the bar (or where the arrow points to)

The symbol looks somewhat like this

>|

and the notched end should be to the right in this pic

Looking at the image on his web page (hope you dont object to me borrowing it here)



the 2 lower LEDs should have the notches oriented "up", and the top 2 LEDs the notch oriented "down".

/Michael
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/Michael

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#152024 - 07/06/2003 07:48 Re: Just a little while longer [Re: zaskar]
maczrool
pooh-bah

Registered: 13/01/2002
Posts: 1649
Loc: Louisiana, USA
In reply to:

For the LED do you mean the notch of the LED goes toward the arrow pointing on each pad.




Yes, exactly. Here is a slightly clearer image than available on the website. The notched side of each LED should be situated over the pads marked blue in the image.

Stu



Attachments
162778-led_board_orient.jpg (202 downloads)

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