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n8nagel
Joined: 03 Jun 2018 Posts: 185
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Posted: Sat Apr 22, 2023 9:54 am Post subject: NEC DS8000U VCR |
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Good morning
I found this NEC S-VHS VCR in Goodwill (keeping with the gear theme, on my way back from having my big Adcom amp checked out) for the princely sum of $12.50 and I couldn't say no even though it was nonfunctional. The lady at the cash register made sure that I understood that I could bring it back within a week if it didn't work and I assured her that even though I already knew it didn't work, I wasn't bringing it back (would have been an hour drive each way if nothing else). Well, all it really needed was a main drive belt and some cleaning, although purchasing the owner's manual (I couldn't find a scan, and I wanted to get the part number for the original remote) and remote control significantly increased my investment in this unit.
I actually have this up and running and connected in my living room and it's working fine although I am using a composite video connection as apparently neither my current TV nor AVR have a S-Video connection.
What I'm looking for is if there are any discrete power codes for this unit, or is it likely that it is too old to have same? I am in the process of making an upgrade for this with learns from the original remote; the Harmony program for it is pretty sparse and doesn't have discretes. Or, being that this unit dates from 1988 is it likely that discrete codes weren't a thing yet? It does have an electronic power switch is why I'm asking, but the power button on the remote is a toggle.
Yes, I am trying to get a 35 year old VCR working with my living room stuff. Humor me, I just like doing weird stuff like this
Here is what I have so far.
http://www.hifi-remote.com/forums/dload.php?action=file&file_id=26714 |
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The Robman Site Owner
Joined: 01 Aug 2003 Posts: 21248 Location: Chicago, IL |
Posted: Sat Apr 22, 2023 12:24 pm Post subject: |
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I think the only way to find out is to test them all. Do you know how to do that efficiently?
Also, I notice that you entered the device codes as dev=25,sub=230. You should notice that 25+230=255, so this is really just dev=25 with no sub-device (ie, the sub-device is the complement of the device). _________________ Rob
www.hifi-remote.com
Please don't PM me with remote questions, post them in the forums so all the experts can help! |
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n8nagel
Joined: 03 Jun 2018 Posts: 185
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Posted: Sat Apr 22, 2023 1:31 pm Post subject: |
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The Robman wrote: | I think the only way to find out is to test them all. Do you know how to do that efficiently?
Also, I notice that you entered the device codes as dev=25,sub=230. You should notice that 25+230=255, so this is really just dev=25 with no sub-device (ie, the sub-device is the complement of the device). |
Sure I can, I was just curious if that was a worthwhile exercise or likely pointless. As for the device and sub device, that's what came up when I looked at my learns. |
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The Robman Site Owner
Joined: 01 Aug 2003 Posts: 21248 Location: Chicago, IL |
Posted: Sat Apr 22, 2023 2:30 pm Post subject: |
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Right, the decoder must not be programmed to recognize when the sub is the complement of the dev. It doesn't make a difference, except someone who doesn't know about this stuff would assume that device 25 is different from dev 25.230 _________________ Rob
www.hifi-remote.com
Please don't PM me with remote questions, post them in the forums so all the experts can help! |
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