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CM6631A + ES9023 cheap board - modification...?
CM6631A + ES9023 cheap board - modification...?
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Old Yesterday, 12:59 PM   #71
zek is offline zek
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On Win10, drivers for Xmos should not be installed.
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Old Yesterday, 02:36 PM   #72
chermann is offline chermann  Austria
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Quote:
Originally Posted by phase View Post
The Xmos usb input chip requires a driver, if you don’t have that, it will not work on a windows computer.
yes -up to now

...no disc , no usb stick, no link , no answer

Last edited by chermann; Yesterday at 02:38 PM.
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Old Yesterday, 02:52 PM   #73
chermann is offline chermann  Austria
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back to my Cm6631A+9023 board

yesterday i got my package (yes its was at a neighbour...)
1 step
change the 3,3V regulator. i have the AP2114H 3.3. so be carefully not to get the HA version= diffeent pin layout !

according to the datasheet i see Cin and Cout is recommenden with 4,7 F ceramic...bad luck i forgot to order.
i just have 10/25V electrolytic or 4,7 tantal (for mic5205) as smallest cap at home.

original is a470/25V sanwah + i changed to a small 22F nichicon+ a wima 0,015F wima fake

i decided to put that in = Cin + Cout..the red wima fake out. on pic i mean the right low corner (old pic)...now its burn in...

1 should i use the 4,7 tantal insted????
2 is the 5m usb cable a problem and therefore i "must" have a bigger cap on the 5V in (= 3,3V regulator Cin)???

chris
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File Type: jpg caps at 3_3V regulator.jpg (430.3 KB, 22 views)
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Old Yesterday, 06:02 PM   #74
chermann is offline chermann  Austria
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Default AP2114 measurments

Hi
compared to post 43 CM6631A + ES9023 cheap board - modification...?


with the 10F pin in pin out, noise of the DAC output


pic 1 pin out
pic2 pin in
pic 3 is the noise at the amps input-amp muted
looks the same..sound check is better for the ap2114 = micro details are growing, not much but fine



chris
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Old Yesterday, 08:21 PM   #75
chermann is offline chermann  Austria
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...to complete my information:
the small caps i had and i try at the moment are nichicon ukt
493-10643-1-ND
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Old Yesterday, 08:27 PM   #76
phase is offline phase  United States
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I think I have used the driver in the link shown here before;

Chinese AK4497 DAC dual-chip decoder board

Is the 208 version I believe, which is more universal I have found.
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Old Yesterday, 08:53 PM   #77
chermann is offline chermann  Austria
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Join Date: Jan 2017
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Quote:
Originally Posted by phase View Post
I think I have used the driver in the link shown here before;

Chinese AK4497 DAC dual-chip decoder board

Is the 208 version I believe, which is more universal I have found.

thx.... will try it after my business trip....
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Old Yesterday, 09:26 PM   #78
phase is offline phase  United States
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Ok, this is the driver I have used, and not sure now about the ones I have just posted above.

Drivers - I2S over USB Audio
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