Modifying a BYOC Confidence Booster

[Kirky]

I need some really simple advice. I've build a BYOC booster. Its real simple, my first attempt at this sort of thing.

I'd like to add a DC socket and a footswitch, and I don't particularly want to use batteries.

At present the wiring is as follows:

From the PBC: "In sleeve" to the sleeve of the input jack. "In tip" to the tip of the input jack. "Black" and "Red" to the battery clip. "Out tip" and "Out sleeve" to the relevant parts of the output jack.

I want to add a footswitch (I've got a 6 lug one) and a DC jack and not bother about the battery clip.

Intructions please!!

Many thanks in anticipation. This afternoone would be great, then I can use it at my gig tonight!

[dangerboy]

Does this page help?

[url="http://www.generalguitargadgets.com/index.php?option=com_content&task=view&id=33&Itemid=27"]http://www.generalguitargadgets.com/index....3&Itemid=27[/url]

I suggest this diagram particularly:

[url="http://www.generalguitargadgets.com/diagrams/switch_lo_dpdt_std.gif"]http://www.generalguitargadgets.com/diagra...lo_dpdt_std.gif[/url]

[Kirky]

[quote name='dangerboy' post='319140' date='Oct 31 2008, 03:50 PM']Does this page help?

[url="http://www.generalguitargadgets.com/index.php?option=com_content&task=view&id=33&Itemid=27"]http://www.generalguitargadgets.com/index....3&Itemid=27[/url]

I suggest this diagram particularly:

[url="http://www.generalguitargadgets.com/diagrams/switch_lo_dpdt_std.gif"]http://www.generalguitargadgets.com/diagra...lo_dpdt_std.gif[/url][/quote]

That's great, thanks dangerboy (they don't call you that because of your history with electronics projects do they?!). The latter diagram particularly. Just not sure what to do about the DC socket.

[dangerboy]

[quote name='Kirky' post='319150' date='Oct 31 2008, 03:55 PM']That's great, thanks dangerboy (they don't call you that because of your history with electronics projects do they?!). The latter diagram particularly. Just not sure what to do about the DC socket.[/quote]

On the DC sockets I use, ground (black wire) is the biggest of the three tabs, and live is the one clockwise of it. But you'll need to check yours with a daisy chain and a multimeter.

[BOD2]

[quote name='Kirky' post='319150' date='Oct 31 2008, 03:55 PM']That's great, thanks dangerboy (they don't call you that because of your history with electronics projects do they?!). The latter diagram particularly. Just not sure what to do about the DC socket.[/quote]


It depends on the "polarity" of the DC power supply. If you look at the power supply you're going to use it will either be "centre negative" or "centre positive"

This tells you if the centre contact on the DC supply plug is attached to the positive (+) or negative (-) of the power supply.

What you need to do is follow it from the plug on the power supply, through the DC socket on the pedal, and onto where the battery would normally go.

Red on a battery clip = positive
Black on a battery clip = negative

Work out which part of the DC power supply plug touches which part of the DC socket, determine which is positive and negative, then wire the appropriate contact to where the battery would otherwise go, making sure you get the polarity correct.

Sorry - can't be more specific than that without all the bits in front of me !

[Kirky]

Thanks BOD2. I'll be using a standard centre negative power supply.

The connection points on the PCB are labelled "In sleeve", "In tip", "Black", "Red" (these two connect directly to the battery clip in the build), "Out sleeve" and "Out tip".

Trying to make sense of the diagram in the link dangerboy provided...would the in and out "sleeve" connections equate to the "ground" connections in that diagram?

The more I read, the more confused I get!

Cheers, Martin

[BOD2]

The "tip" is the centre connection on a jack-type plug.

The "sleeve" is the outer sleeve of the jack-type plug.


If your power supply is "centre-negative" then that means the "tip" (i.e. the centre contact) will be negative. This should then go to the "black" for what would be the battery.

That leaves the "sleeve" which is therefore positive and should go to the "red" for the what would be the battery.