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juke  
#1 Posted : Friday, February 7, 2020 11:50:22 AM(UTC)
juke

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I have just bought a Samsung 75Q90 TV which only has optical Toslink outputting PCM.

I have bought a little Toslink to SPDIF co-ax converter which does not work with the Buffalo. The unit is fine as works with several other DACs.

I see the manual for the 32S mentions setting a switch to enable PCM but can't work out how to do this.

Can anyone please help?

Possum  
#2 Posted : Friday, February 7, 2020 10:28:47 PM(UTC)
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From memory, the 32S only has an SPDIF-I2S switch. You would want that switched to SPDIF

There is no PCM switch. The 9018 decodes PCM by default.
thanks 1 user thanked Possum for this useful post.
juke on 2/7/2020(UTC)
juke  
#3 Posted : Friday, February 7, 2020 11:43:13 PM(UTC)
juke

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Thanks Possum, I had downloaded the manual for the 9008, it was late last night!

I have the correct manual now and it says " The SPDIF switch is used to connect etc, then says It should be switched off ..such as when you plan on using PCM or DSD.

It's a bit late now but I'll try that in the morning, its a mystery otherwise.

Possum  
#4 Posted : Saturday, February 8, 2020 12:58:06 AM(UTC)
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If you switch it off then SPDIF input (which is what you want) will not work. It should only be off for PCM or DSD input via I2S

SPDIF is a protocol for sending data serially over a single signal wire (I2S sends it over 3 wires and is limited to very short distances but is much higher quality)

SPDIF can transmit a number of audio codecs, such as PCM, DTS, or dolby digital - your tv does PCM over SPDIF
juke  
#5 Posted : Monday, February 10, 2020 10:38:11 AM(UTC)
juke

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Thanks for the clarification, I can't understand why this won't work with the Buffalo when it (and a replacement kindly sent by the supplier ) work fine with other optical sources.

I have bought a another device for very little money off eBay and it has optical in and normal audio RCA out so I'll use that for the TV into my system for now.

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