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Old 16th April 2012, 12:59 PM   #11
mavallarino is offline mavallarino  United States
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Originally Posted by nick974 View Post
Hi Everyone !

I completely forgot to give the final result... I was able to get it to work ; the power supplies were not connected connectly, and the relay was always shorting outputs to ground.
I haven't tested out the SPDIF connection but the USB works fine ; I have replaced the AOPs, sound is much better ; I haven't made any other modifications... But I was thinking to remove the second amplifier stage, and the connection through the relay.
I will test it out as soon as I have some spare time !!!

Looking closely at Nick's solution I was wondering what exact problem he had found on the power supplies. I'm having a related problem with the relay switching (grounding outputs) after 2 min. from start up (however on a CS8416). The only connection to the relay from the controller chip is an "input port controller". Must there be voltage on this?
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Old 17th April 2012, 09:13 PM   #12
Ryssen is offline Ryssen  Sweden
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Location: Sweden--> Here
To work correctly, DIR9001 must be connected to that resistor
What will happend if it is not connected?
Im running mine without it connected.
Regards ke
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