VOGONS

Roland CS-10 Odd Behavior or Normal?

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First post, by kingcake

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I just got my first CS-10 after wanting one as a kid in the 90s. (I always saw the Packard Bell version at my local store)

Anyway, it has 2 sets of RCA stereo inputs on the back.

One of the inputs works normally, with the volume and tone knobs working as you'd expect.

The 2nd input just plays max volume no matter what the volume or tone knobs do.

Is this normal behavior for this thing? Or do I need to hunt for bad opamps or something?

Reply 1 of 7, by Tiido

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User manual of Roland CS-10 Stereo Micro Monitor suggests the RCA pairs on back are an input and an output pair.

The attachment Clipboard01.png is no longer available

T-04YBSC, a new YMF71x based sound card & Official VOGONS thread about it
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Reply 2 of 7, by kingcake

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Tiido wrote on 2024-12-13, 00:35:

User manual of Roland CS-10 Stereo Micro Monitor suggests the RCA pairs on back are an input and an output pair.

The attachment Clipboard01.png is no longer available

That's not the right manual. There is another CS-10.

Mine has both sets of RCAs clearly marked as "INPUT"

Reply 3 of 7, by Tiido

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How confusing, there are headphones with same model number, and then two of these things too... It is the only manual I found. I was looking for a schematic in the first place but didn't see any, as they say, schematic tells more than a thousand words 🤣

T-04YBSC, a new YMF71x based sound card & Official VOGONS thread about it
Newly made 4MB 60ns 30pin SIMMs ~
mida sa loed ? nagunii aru ei saa 😜

Reply 4 of 7, by kingcake

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Tiido wrote on 2024-12-13, 02:36:

How confusing, there are headphones with same model number, and then two of these things too... It is the only manual I found. I was looking for a schematic in the first place but didn't see any, as they say, schematic tells more than a thousand words 🤣

Yeah I looked too and kept finding the other stuff. Guess I'll crack it open and see if the two signal paths are different.

Reply 5 of 7, by TheBookIsBetter

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Sorry to resurrect a dead thread, but did you ever figure out if this is intended or not? I just got a CS-10 with two inputs like yours, and I'm having the same experience of not being able to adjust the volume on the 2nd input at all.

Reply 6 of 7, by Cloudschatze

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Per the Japanese CS-10 manual:

"INPUT 1/2 (Input Jack 1/2)
Connect a sound module or other electronic instrument (you can also connect audio devices such as tape decks and CD players). The jacks are RCA pin type. The volume of Input 1 cannot be adjusted."

Reply 7 of 7, by TheBookIsBetter

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Cloudschatze wrote on 2025-11-14, 16:44:

Per the Japanese CS-10 manual:

"INPUT 1/2 (Input Jack 1/2)
Connect a sound module or other electronic instrument (you can also connect audio devices such as tape decks and CD players). The jacks are RCA pin type. The volume of Input 1 cannot be adjusted."

Perfect, thanks so much! I tried tracking down a version of the manual that shows the two inputs rather than an output, but obviously I was unsuccessful. I just wanted the peace of mind to know it wasn't something I needed to try and fix haha

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