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Defective Teradac
Defective Teradac
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Old 14th May 2020, 01:56 PM   #1
myleftear is offline myleftear  Switzerland
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Location: Luzern
Defective Teradac
Default Defective Teradac

Hello everybody

A while ago, I got myself a 2nd hand Teradac TDA1543 NOS. (I haven't got it here right now, so I can't look up any details, sorry)

It arrived defective but I still kept it (thought it was a bargain).
Teradac themselves do not respond to inquiries.
I have at least some spare case and parts.
Before I rip it apart, maybe it's easy?
I have no idea of how electronics behave, so I have to try to give you a description of what I hear...

Here's the symptoms:
SPDIF is unresponsive (no sound at all)
USB outputs a staggered signal, like, on-off every 1/2 - 1/4 seconds.

Does this tell you anything (what could be the cause)?
Under guidance, I could take some measurements (DMM only)
thank you
take care!

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Old 14th May 2020, 02:16 PM   #2
Markw4 is offline Markw4  United States
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Join Date: Jul 2016
Location: California
Probably better to come back when you have the dac in your hands to look at. Don't know if it was a bargain or not, since TDA1543 is not TDA1541A. There is a dual 1543 dac here that is listenable, but not by much margin.
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