Nakamichi OMS-2 modification questions... - diyAudio
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Old 5th January 2004, 02:19 AM   #1
manxam is offline manxam  Canada
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Default Nakamichi OMS-2 modification questions...

OK, so I'm new to the whole audio modifying thing but i'm fairly decent with electronics on a whole. I have an old Nakamichi OMS-2 (circa 1988) that I don't mind screwing up so I was wondering if there is anything I can do to this thing to modernize it.

Anyone have any schematics or know of anything that can be changed internally to make it a decent CD player for this day and age?

Any insight would be appreciated.

Thanks
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Old 5th January 2004, 09:24 PM   #2
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Hi manxam,

is it equipped with BB PCM56dacs?

Martijn
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Old 7th January 2004, 12:07 AM   #3
manxam is offline manxam  Canada
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Martijn, it appears it's a BB PCM54HP DAC

No upgrade for me? :P

Thanks
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Old 7th January 2004, 12:23 AM   #4
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Parallel input dac depending how much work you want to put in and/or the digital filter you should be able to do something.
What digital filter does it use?
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Old 7th January 2004, 12:25 AM   #5
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Manxam,
is there only one dac?

Martijn
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Old 7th January 2004, 11:03 PM   #6
manxam is offline manxam  Canada
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It appears so Martijn. There is only the one BB chip on the board and i don't recognize the markings on the other chips.
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Old 7th January 2004, 11:47 PM   #7
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Hi manxam,

your OMS2 has a digital interface, between filter and dac, which I am not familiar with.So I can not help you regarding upgrading.
By the way, the pcm54 has 1 converter for 2 channels.....
Sorry.Perhaps someone else can help.

Martijn
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Old 8th January 2004, 12:42 AM   #8
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In the early days of cd audio one dac was often shared between channels. Can you list the markings on the other chips?
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