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Old 29th October 2011, 01:59 PM   #1
diyAudio Member
Join Date: Apr 2005
Location: Simcoe Ont
Default Wanted: PCM1760U ADC

I have a digital mixing console getting white noise on most channels. It uses 10 PCM1760U ADCs each having two channels. I have found them for $40 but I have to buy 20 or I can buy them for $60 each. Either way the repair would cost more than the console is worth.
Any ideas of an alternative ADC or a better price?
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Old 29th October 2011, 03:01 PM   #2
Enzo is offline Enzo  United States
diyAudio Member
Join Date: Sep 2004
Location: Lansing, Michigan
How did you determine it was the ADCs instead of the analog sections before them?
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Old 29th October 2011, 03:27 PM   #3
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Join Date: Feb 2004
Location: Anonymityville
Get a quote from this site.....

PCM1760U datasheet pdf,PCM1760U supplier,PCM1760U price,PCM1760U picture at UTSOURCE

I've bought from them a few times so I know they are legit.

I put in a quote with a local dealer for you to see what they want for 10pcs. There's also a seller on e*ay that has them for $19.99 + postage.
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Old 30th October 2011, 05:03 PM   #4
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Join Date: Apr 2005
Location: Simcoe Ont
Although it is likely that PCM1760U are bad (assumed). This is the circuit between preamps and ADC. Is a likely source of noise obvious? The noise is not in pairs as I would have guessed if ADC was bad but Yamaha dealer seems certain that ADC are bad.
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