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Retrograde Problem

Started by TreeSlayer, December 30, 2012, 05:40:36 PM

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TreeSlayer

Quote from: alexradium on December 31, 2012, 09:17:44 AM
isn't the battery positive hooked up to center pin of dc jack?
no sir. center pin goes to ground. i did swap where it was wired to the battery+ and board+. still no 9v to board.
just checked the 9v jack and it was not completing the circuit from 9v battery to the board. replaced it. now i get around .5v and when i switch it back and forth it slowly goes away.
"At the line it's just you, me and the tree." the TreeSlayer

"You have the rest of your life to make excuses and be a fuckin' pussy. Today is your day OFF!"  Amiri King

the3secondrule

Is the metal dc jack insulated from the enclosure in any way?

Because otherwise it looks like your 9v is shorting to earth...
"I have many leatherbound books, and my apartment smells of rich mahogany"

TreeSlayer

Quote from: the3secondrule on December 31, 2012, 08:12:22 PM
Is the metal dc jack insulated from the enclosure in any way?

Because otherwise it looks like your 9v is shorting to earth...
well, there was only a metal washer and nut for mounting. it's a Radio Shack #274-1582, panel mount, size M, coaxial power jack.
"At the line it's just you, me and the tree." the TreeSlayer

"You have the rest of your life to make excuses and be a fuckin' pussy. Today is your day OFF!"  Amiri King

the3secondrule

I'd suggest trying a plastic-bodied DC jack, i think the metal is definitely why the battery was getting hot and you weren't getting 9v to the board.
"I have many leatherbound books, and my apartment smells of rich mahogany"

TreeSlayer

Quote from: the3secondrule on December 31, 2012, 08:25:26 PM
I'd suggest trying a plastic-bodied DC jack, i think the metal is definitely why the battery was getting hot and you weren't getting 9v to the board.
i just busted open the one that was defective. it's insulated internally.the battery no longer gets hot, unless i physically ground the battery to the chassis, and that was before i changed the jack wiring.

UPDATE!!! i got it working! it's definatly the input jack! i decided to try grounding the ring again, battery -,and the LED came on. i plugged everything up and she sings like she did on the test box! i new it just didn't add up, because the ring and tip make a connection when the patch cable is out and when you push it in the connection is broken! either way, the battery never grounds! now i just have to figure out what type of input jack to get so the battery will turn off when it's unplugged and i'm in business!

"At the line it's just you, me and the tree." the TreeSlayer

"You have the rest of your life to make excuses and be a fuckin' pussy. Today is your day OFF!"  Amiri King

pryde

Glad you got it.

Here is the type of 9v jack you need from now on:
http://www.mammothelectronics.com/4SJK-101DC-p/600-1000.htm

Here is how to wire it:

TreeSlayer

Quote from: pryde on December 31, 2012, 11:00:51 PM
Glad you got it.

Here is the type of 9v jack you need from now on:
http://www.mammothelectronics.com/4SJK-101DC-p/600-1000.htm

Here is how to wire it:

thanks a million, pryde! it was your comment on the hot battery that made me look at grounds again! i used a stereo jack and completed the circuit through the patch cord ground. i was afraid it might make noise, but it's quiet as a church mouse. thanks for the link, i'm gonna stock up on them!
"At the line it's just you, me and the tree." the TreeSlayer

"You have the rest of your life to make excuses and be a fuckin' pussy. Today is your day OFF!"  Amiri King

hammerheadmusicman

Those are the jacks I always use. Had a batch of 25 smaller ones which, on paper were better, and now I'm stuck with them! So definitely buy the ones in that link! Steet clear of any others ;)

George
I play Guitar, and Build Stuff..

TreeSlayer

the 9v jack was not the problem, although i did get a bad one to start with. and i may have killed it because i had it connected wrong. it was the 1/4" input jack that was the problem. does anyone know where to get the ones that are used in the standard wiring diagram?
"At the line it's just you, me and the tree." the TreeSlayer

"You have the rest of your life to make excuses and be a fuckin' pussy. Today is your day OFF!"  Amiri King

pryde

Nuetrik Stereo jacks (for battery switching):
http://www.mammothelectronics.com/Neutrik-NYS230-Stereo-1-4-Open-Jack-p/610-1010.htm

Nuetrik mono jacks (for output)
http://www.mammothelectronics.com/Neutrik-NYS229-Mono-1-4-Open-Jack-p/610-1011.htm


BTW: I am not affiliated with mammoth, you can get these at many online electronics retailers  ;)

TreeSlayer

Quote from: pryde on December 31, 2012, 11:36:28 PM
Nuetrik Stereo jacks (for battery switching):
http://www.mammothelectronics.com/Neutrik-NYS230-Stereo-1-4-Open-Jack-p/610-1010.htm

Nuetrik mono jacks (for output)
http://www.mammothelectronics.com/Neutrik-NYS229-Mono-1-4-Open-Jack-p/610-1011.htm


BTW: I am not affiliated with mammoth, you can get these at many online electronics retailers  ;)
you are da MAN! thank you so much! have a safe and Happy New Year!! ;{D
"At the line it's just you, me and the tree." the TreeSlayer

"You have the rest of your life to make excuses and be a fuckin' pussy. Today is your day OFF!"  Amiri King

TreeSlayer

i would like to thank everyone that took the time to look at my project and point me in the right direction. to take time from your life to help a noobie, well, you just don't see it much any more. one day i hope to help each and every one that has helped me. i hope everyone has a safe and prosperous New Year!  ;D

Layton
"At the line it's just you, me and the tree." the TreeSlayer

"You have the rest of your life to make excuses and be a fuckin' pussy. Today is your day OFF!"  Amiri King