Broken T-amp help!

mysound · 17th February 2006, 03:11 PM

Hi,

i've been fiddling around with my T-amp for too long now and i've broken the join on the board to the JK1 negative loudspeaker connector. It's impossible to solder back.

Is there anywhere else on the board i can connect it?

cheers, Tim..

audio1st · 17th February 2006, 05:13 PM

Hi Tim,

These are my preferred speaker connection points in the attached picture. They are the pins of L3 to L6..

Hope it helps, Barry..

Lostcause · 17th February 2006, 08:58 PM

Quote:

Originally posted by audio1st
Hi Tim,

These are my preferred speaker connection points in the attached picture. They are the pins of L3 to L6..

Hope it helps, Barry..

Straight onto the inductors?
That cuts out the entire filter section! Is that a good idea Barry?

Pano · 17th February 2006, 10:45 PM

Quote:

Originally posted by Lostcause
Straight onto the inductors?
That cuts out the entire filter section!

Look again, Lee.

He's just connecting closer to the inductors, that's all. Filter is still inline.

Lostcause · 18th February 2006, 08:52 AM

Quote:

Originally posted by panomaniac

Look again, Lee. He's just connecting closer to the inductors, that's all. Filter is still inline.

These conections are coming straight off the inductors so won't that bypass all the rf filter network after it? C13/14/15/16/17 etc?

DcibeL · 18th February 2006, 02:55 PM

It always helps to have the schematic.

See here.

Lostcause · 18th February 2006, 03:08 PM

Quote:

Originally posted by DcibeL
It always helps to have the schematic.

See here.

Thanks for humouring a novice.....
So it doesn't matter if the decoupling caps and zobel are after the lead-outs as long as they are connecte in some way? I had it in my mind that they had to be in front, exactly like the schematic!
You see, you learn something new every day!

TA

Lee

audio1st · 18th February 2006, 05:28 PM

Hi Lee,

As non of the components are in series between the inductors and speaker outs, then they wont be affected.

If you look at the picture I attached earlier, you will see that the R+ inductor, tracks directly to the the R+ terminal..Then from there it tracks to the filters..

The board is not as neat as the schematic.!!!

I'm new to all this myself and learning as I go.

mysound · 22nd February 2006, 12:29 PM

thanks all for your help. I managed to repair it (just) using the original setup. Will there be any sound difference if i used the original speaker points, but one negative using one of these different points?

I'm completely new to this as you can probably guess!

cheers, Tim

Pano · 23rd February 2006, 06:01 AM

Souldn't hurt anything. Just think how long your speaker cables are compared to the slightly different hook up points!

17th February 2006, 03:11 PM	#1
mysound diyAudio Member Join Date: Jan 2006 Location: west london	Broken T-amp help! Hi, i've been fiddling around with my T-amp for too long now and i've broken the join on the board to the JK1 negative loudspeaker connector. It's impossible to solder back. Is there anywhere else on the board i can connect it? cheers, Tim..

18th February 2006, 02:55 PM	#6
DcibeL diyAudio Member Join Date: May 2003 Location: Saskatchewan	It always helps to have the schematic. See here. __________________ The power of Science compels you!

23rd February 2006, 06:01 AM	#10
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	Souldn't hurt anything. Just think how long your speaker cables are compared to the slightly different hook up points! __________________ Take the Speaker Voltage Test!

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18th February 2006, 05:28 PM	#8
audio1st diyAudio Member Join Date: May 2005 Location: Foxton, CAMBS..	Hi Lee, As non of the components are in series between the inductors and speaker outs, then they wont be affected. If you look at the picture I attached earlier, you will see that the R+ inductor, tracks directly to the the R+ terminal..Then from there it tracks to the filters.. The board is not as neat as the schematic.!!! I'm new to all this myself and learning as I go.

22nd February 2006, 12:29 PM	#9
mysound diyAudio Member Join Date: Jan 2006 Location: west london	thanks all for your help. I managed to repair it (just) using the original setup. Will there be any sound difference if i used the original speaker points, but one negative using one of these different points? I'm completely new to this as you can probably guess! cheers, Tim

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