Yaqin mc10L - Page 20

data · 7th January 2013, 12:55 PM

Barbie, Isn't that one on the right the other way round?

Or am I looking at the traces wrong....

Barbieboy · 7th January 2013, 12:56 PM

Quote:

Originally Posted by data

You will be able to see the way they need to go by looking at the circuit before and after each cap.

Each output end will lead to the interconnecting wires from the pre amp PCB to the power PCB.

Thanks that's useful to know, will make sure the writing on the caps ends in the direction of those wire connectors. Many thanks

Barbieboy · 7th January 2013, 12:57 PM

Quote:

Originally Posted by data

Barbie, Isn't that one on the right the other way round?

Or am I looking at the traces wrong....

Yes and I was just about to mention this to you, wow, I would have put that one the wrong way.....

data · 7th January 2013, 01:01 PM

I'm not sure how much worse it would sound if you did get them around the wrong way, It's just that they are said to sound better with the foil end of the cap at the output, this is normally indicated by the direction of the writing, in the end that the writing starts, and out the foil end where the writing ends.

As I understand it anyway, unless i have it *** about.

Barbieboy · 7th January 2013, 01:15 PM

About to order the caps when I realised I've got a tiny little D class amp not used in years in need of caps - it hasn't got any ! Any idea what value I should get please, then I may as well order all at the same time

data · 01:28 PM

Sorry, you would need to refer to the makers literature for the board/build, as I can't see anything in that pic.

I can't identify any positions where caps are needed?

Apart from the two electrolytic caps, they all look like surface mount caps, indicated with the "C" prefix on the PCB like all those near the output.

Barbieboy · 7th January 2013, 01:29 PM

They simply go on the channel imputes on the left between the RCAs and the amp

data · 7th January 2013, 01:33 PM

Sorry, I'm not much help with that one.

jkorten · 7th January 2013, 02:43 PM

Quote:

Originally Posted by Barbieboy

About to order the caps when I realised I've got a tiny little D class amp not used in years in need of caps - it hasn't got any ! Any idea what value I should get please, then I may as well order all at the same time

You would put the capacitor right where your DC supply voltage comes in (screw terminals at the upper left in this picture I think). There appears to be only one voltage for this circuit so you'd need only one cap. Try a 0.1UF at 2X your rated supply voltage (typically 18V for these D amps).

Barbieboy · 7th January 2013, 03:56 PM

Thanks, so I just get the same as for the 10L amp <Clarity Cap ESA 0.1uf/630v> and one for each channel as its a stereo amp

7th January 2013, 01:19 PM	#196
data Account disabled at member's request Join Date: Jul 2007 Location: Brisbane	Sorry, you would need to refer to the makers literature for the board/build, as I can't see anything in that pic. I can't identify any positions where caps are needed? Apart from the two electrolytic caps, they all look like surface mount caps, indicated with the "C" prefix on the PCB like all those near the output. Last edited by data; 7th January 2013 at 01:28 PM.

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7th January 2013, 12:55 PM	#191
data Account disabled at member's request Join Date: Jul 2007 Location: Brisbane	Barbie, Isn't that one on the right the other way round? Or am I looking at the traces wrong....

7th January 2013, 01:01 PM	#194
data Account disabled at member's request Join Date: Jul 2007 Location: Brisbane	I'm not sure how much worse it would sound if you did get them around the wrong way, It's just that they are said to sound better with the foil end of the cap at the output, this is normally indicated by the direction of the writing, in the end that the writing starts, and out the foil end where the writing ends. As I understand it anyway, unless i have it *** about.

7th January 2013, 01:15 PM	#195
Barbieboy diyAudio Member Join Date: Feb 2010 Location: London	About to order the caps when I realised I've got a tiny little D class amp not used in years in need of caps - it hasn't got any ! Any idea what value I should get please, then I may as well order all at the same time

7th January 2013, 01:29 PM	#197
Barbieboy diyAudio Member Join Date: Feb 2010 Location: London	They simply go on the channel imputes on the left between the RCAs and the amp

7th January 2013, 01:33 PM	#198
data Account disabled at member's request Join Date: Jul 2007 Location: Brisbane	Sorry, I'm not much help with that one.

7th January 2013, 03:56 PM	#200
Barbieboy diyAudio Member Join Date: Feb 2010 Location: London	Thanks, so I just get the same as for the 10L amp <Clarity Cap ESA 0.1uf/630v> and one for each channel as its a stereo amp