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DAC-END R (ES9018) full assembled board

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H

Halook

Member
Joined 2009
myfavoritething said:
Thank you very much, I will stay with bus-powered. I will not try to de-solder anything, having already ruined coaxial and AES BU inputs in de-soldering bad lnv7219 (although I- and many others - paid for good ones...). I don't want to ruined the Amanero board too... As I bought Amanero module from Quanghao, I could have expected, if this modification improves sound quality, that it would be done before sending it to me. But I am probably dreaming...
Another point, the 20 point connector is free, unsoldered despite it is necessary. Am I supposed to solder to the board on the reverse side?
Click to expand...

I am sorry to hear that you've ruined the coaxial and AES inputs:eek:
The 20 pins connector has to be soldered so that the pins are facing the downward.
If you want to power the Amanero board from the DAC board instead of bus powered, just scratch a break on the Amanero board as in the picture and pull the J3 jumper off .:)
 

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Last edited:
quanghao

quanghao

Member
Joined 2009
quanghao.com/
Halook said:
I am sorry to hear that you've ruined the coaxial and AES inputs:eek:
The 20 pins connector has to be soldered so that the pins are facing the downward.
If you want to power the Amanero board from the DAC board instead of bus powered, just scratch a break on the Amanero board as in the picture and pull the J3 jumper off .:)
Click to expand...

i cut it, for not use suuply from computer fir Usb.

better use 3.3 v from DAC.
thanks
 
S

shattered_dream

Member
Joined 2009
I bought an DAC End R Version 1 from a guy at the DIY Audio Forum...
I tried to start it today, but have problems with the SPDif input, I cant get any sound out.
What I did was:
- Connect R+Out and GND from the output to the chinch out
- Connect L+Out and GND from the output to the chinch out
- Set the output to Unbalanced
- Connect the Coax input with a cable to the pins between the place where the input can be soldered and the isolator.
- Removed J5,J6,J7,J8 in order to use it as an Voltage output



What did I do wrong ? You have an idea?
Can it be that I have to use other cables from the output ?
Thanx for the help
 
C

caad

Member
Joined 2010
shattered_dream said:
I bought an DAC End R Version 1 from a guy at the DIY Audio Forum...
I tried to start it today, but have problems with the SPDif input, I cant get any sound out.
What I did was:
- Connect R+Out and GND from the output to the chinch out
- Connect L+Out and GND from the output to the chinch out
- Set the output to Unbalanced
- Connect the Coax input with a cable to the pins between the place where the input can be soldered and the isolator.
- Removed J5,J6,J7,J8 in order to use it as an Voltage output



What did I do wrong ? You have an idea?
Can it be that I have to use other cables from the output ?
Thanx for the help
Click to expand...

If the dac lock to the spdif input( please verify the at display ). Then try ti set the dac to "bal" balanced mode again.

The balanced mode refers to the dac chip only, not the assamled dac.
This unbal/bal function can be used in unbalanced mode only if an unbalanced analog curcuit is connected to the digital board(the big board inside the dac.
Br
Caad
 
R

rredline

Member
Joined 2004
shattered_dream said:
Hmmm somebody has an idea why this DAC doesnt recoginze mi PI2 with hifiberry board?
Display doesnt show "locked"
Click to expand...

Some of these boards have defective LMV7219 chips (can't lock spdif above 48KHz).
If it can't lock spdif on 44.1KHz, the previous owner might have spoilt the spdif input circuit during LMV7219 replacement soldering and thus you may demand a refund.
 
C

caad

Member
Joined 2010
shattered_dream said:
Okay.... Just tried to connect with a source with 48khz, was not possible....

So I have to order these LMV7219 and solder them there ?
Click to expand...

To verify if it is a lmv7219 issue then try following.

The lmv7219 are placed at the coax and aes inputs only. Try to connect via optical input. This optical input can handle up to 96khz.

Does your dac have the usb Amanero board attached? In this case you should try to connect a pc via this input.

If your dac not include the usb amanero board, then you can order one at amanero.com if needed. I believe your rasp pi have an I2S output also?
Info: The amanero board vonverts usb to i2s (and dsd).
In this case you can connect your rasp pi board direct to the dac via the pins for the i2s input? You can see how these are connected at amanero.com
Br
Caad
 
Last edited:
quanghao

quanghao

Member
Joined 2009
quanghao.com/
List ship DAC

Hi All,
Until today, I ship Dac, for you are listed below:
1. KANNAN_S (ship 27 Mar 2015, number tracking 520825694, by TNT)
2. ANTON MEHL (ship 27 Mar 2015, number tracking 520825685, by TNT).
3. ANKLTAM (ship 01 Apr 2015, number tracking 520825819, by TNT).
4. BAMAREK (ship 01 Apr 2015, number tracking 520825822, by TNT).
5. HEGO (ship 01 Apr 2015, number tracking 520825836, by TNT).
6. ROBOTO (ship 04 Apr 2015, number tracking 520825941, by TNT).
7. ATTERBUD (ship 04 Apr 2015, number tracking 520825938, by TNT).
8. JAZZBEAR (ship 04 Apr 2015, number tracking 520825924, by TNT).
9. SEBASTIANL (ship 04 Apr 2015, number tracking 520825955, by TNT).

Please complete pay and I continue ship DAC next week.
Thanks for your wait!
Quanghao.
 
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