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AlanH  
#1 Posted : Friday, January 30, 2015 3:55:38 AM(UTC)
AlanH

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New Zealand

Hi,

I have a BIIISE with Legato. SPDIF input works a treat, but I can't seem to get the Toslink to work. Would someone mind verifying that I have it hooked up correctly? I have an LCDPS powering 2 BIIISE DACS at 5.25V each side. I have the Toslink hooked up to one of the LCDPS outputs (+ve and GND) in addition to the DAC. VCC at the Toslink input reads 5.25V. Outputs from Toslink are connected directly to D1 and GND on the DAC. I have the mute led lit, so there seems to be no signal at all getting to the DAC.

What's my next move...?
Brian Donegan  
#2 Posted : Friday, January 30, 2015 11:50:46 AM(UTC)
Brian Donegan

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How it the toslink module configured (which resistors installed)?
AlanH  
#3 Posted : Friday, January 30, 2015 10:35:50 PM(UTC)
AlanH

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New Zealand

Hopefully for TTL level, but maybe this is where I've gone wrong...
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AlanH  
#4 Posted : Wednesday, February 4, 2015 4:40:43 AM(UTC)
AlanH

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New Zealand

Hi,

Any thoughts on this? I'd love to get this sorted. Thanks!

A
Brian Donegan  
#5 Posted : Wednesday, February 4, 2015 6:49:30 PM(UTC)
Brian Donegan

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You can check the output of the onboard regulator (pin nearest the edge of the board) to make sure you are getting 3.3V.

If that checks out, I would guess that it is a bad TORX module. If so, I will send you a replacement.
AlanH  
#6 Posted : Wednesday, February 4, 2015 10:44:51 PM(UTC)
AlanH

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Posts: 23
New Zealand

I take it the regulator is IC1? This is showing 5.25V, same as input voltage.
AlanH  
#7 Posted : Monday, February 23, 2015 8:55:16 AM(UTC)
AlanH

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Posts: 23
New Zealand

I'm about to order another one, but before I do, would someone mind checking to see if I haven't missed something really obvious...

Thanks all!
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