wiring the 8x7135

neilp1

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Jun 25, 2008
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Sorry foir the newbie post, but i want to make sure my wiring of the 8x7135 driver for the P7 is correct.

The 2 wires attached to the driver go to the LED, right. Red to +ve, black to -ve. Then i solder on a red wire to the middle of the OTHER side of the board (directly behind the original red wire) and a black wire to one of the six holes around the edge. The red then goes to battery +ve and the black to battery -ve?

Is this correct, or am i about to blow my driver

Cheers
 

darkzero

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Connections can be made to either board since they're both connected.

Img_1431.jpg
 

neilp1

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sweet, thanks for that.

guess that frees up one side for heatsinking purposes, although at 2.8A, im probably not going to need to epoxy this to the heatsink, right?
 

jamesavery22

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Apr 12, 2008
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Bump...

Just got mine in the mail today. Looks very similar to the one in darkzero's post but the PCBs are green and the diodes are a different type.

Read on the kai page that one guy still soldered across Q1 and Q3 so it looks more like the one on the kai page:
http://kaidomain.com/ProductDetails.aspx?ProductId=1770

Like the pic in darkzero's post my board has no solder between Q3 and the diode and Q1 and the diode. Is that needed?

Guess I should just hook it up and see how much current is being drawn by my P7? If its lower than ~2.5A then I should probably solder those connections?


Thanks,
 

VidPro

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Bump...

Like the pic in darkzero's post my board has no solder between Q3 and the diode and Q1 and the diode. Is that needed?

Thanks,

no its bridged there anyways , via the foil on the board, unless there is something not soldered right , you shouldnt need to add the blob, and i doubt it improves it. that was probably a HAND soldered first item, as the rest of it has that look in similarity. once in production they are no longer soldered by hand, cept the added wires.
 

darkzero

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Just to clearify so there's no confusion, the one I posted a pic of was not purchased as a 8x7135 board. All the ones I've posted pics of I assembled myself, notice the drilled hole with the jumper connecting both boards.


On the right is a 10x7135 board. :grin2:

Img_2592.jpg


Img_2587.jpg
 
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