AD1955 Evaluation board how to activate

cruijt · 29th April 2006, 01:20 PM

Hello everybody

Since a few weeks I am the owner of an old AD1955 evaluation board. Problem here is that no information is available how to set twe switches and jumpers to let the board run on my 16 bit 44.1kHz optical output coming from my CD player.
I have the following questions:

1 functions of the mode select switch ( 16 steps rotary type)
2 mode select A and B and their functions
3 J18 jumpers EXT, DIR, DSD , no one is fitted for the moment.
4 Can I run the board without SPI control?

For now I can only see that the lights "left zero" "right zero" can go on and off depending of playing with several settings but no output is coming from the left and right filter out.

Who can help me

cruijt

JonHarrison · 30th April 2006, 12:09 PM

cruijt,

Have you tried contacting Analog Devices www.analog.com ?

Regards,

Jon

cruijt · 30th April 2006, 03:27 PM

Hello Jon,

Yes , the local distributor has no information. On the Analog website the information is removed.

Regards,

Cruijt

hbarki · 1st September 2006, 01:26 AM

Hi,

I have the same problem. Use the SPDIF inout and RCA output, no sound. Any luck so far?

29th April 2006, 01:20 PM	#1
cruijt diyAudio Member Join Date: Apr 2006 Location: Amsterdam	AD1955 Evaluation board how to activate Hello everybody Since a few weeks I am the owner of an old AD1955 evaluation board. Problem here is that no information is available how to set twe switches and jumpers to let the board run on my 16 bit 44.1kHz optical output coming from my CD player. I have the following questions: 1 functions of the mode select switch ( 16 steps rotary type) 2 mode select A and B and their functions 3 J18 jumpers EXT, DIR, DSD , no one is fitted for the moment. 4 Can I run the board without SPI control? For now I can only see that the lights "left zero" "right zero" can go on and off depending of playing with several settings but no output is coming from the left and right filter out. Who can help me cruijt

30th April 2006, 03:27 PM	#3
cruijt diyAudio Member Join Date: Apr 2006 Location: Amsterdam	Eval AD1955 Hello Jon, Yes , the local distributor has no information. On the Analog website the information is removed. Regards, Cruijt

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30th April 2006, 12:09 PM	#2
JonHarrison diyAudio Member Join Date: Mar 2004 Location: UK	cruijt, Have you tried contacting Analog Devices www.analog.com ? Regards, Jon

1st September 2006, 01:26 AM	#4
hbarki diyAudio Member Join Date: Dec 2003 Location: NoCal	Hi, I have the same problem. Use the SPDIF inout and RCA output, no sound. Any luck so far?

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