NEC Authetic Series AUP-7000FE Turntable
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Van_Isle
Super Member
Here's a pic I located off the net - pretty close ... may not be exactly the same model (the pic is identified as a AUP-7000E. The one I saw was marked AUP-7000FE). It has hulking great feet on it (maybe aftermarket?), just has "Authentic" on the front, plinth was black and perhaps extra switch / button or 2 (I have to remember that I do have a cell phone with a camera!!). I'm trying to help out the tech guy at a local thrift store - he doesn't have internet access .... and part of that help is to determine if it is worth persuing fixing it up. I take it this one has speed issues.
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Van_Isle
Super Member
Update - Pictures
Here are some (rather poor) pictures of the actual unit. I was right - it is significantly different from the one posted previously. Note the huge feet would be original in order to provide clearance for the (to me) big motor projecting out the bottom of the unit). I believe that is the original headshell (or close to it).
Here are some (rather poor) pictures of the actual unit. I was right - it is significantly different from the one posted previously. Note the huge feet would be original in order to provide clearance for the (to me) big motor projecting out the bottom of the unit). I believe that is the original headshell (or close to it).
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Van_Isle
Super Member
Here is another pic - now in my home.
The headshell / cartridge is from my Micro Seiki.
The NEC does have a speed issue - it played fine for a good period of time .... then "ran away". Not sure if it is just a matter of cleaning speed controls or if there is something ele. I will investigate a bit but this will be going to a fellow (at cost, in case anyone is wondering) who has been looking for a NEC AUP-7000FE over quite a period of time. It will have to be shipped and I am gathering packing materials and researching methods right now - bit nervous as this will be my 1st turntable packing job.
The headshell / cartridge is from my Micro Seiki.
The NEC does have a speed issue - it played fine for a good period of time .... then "ran away". Not sure if it is just a matter of cleaning speed controls or if there is something ele. I will investigate a bit but this will be going to a fellow (at cost, in case anyone is wondering) who has been looking for a NEC AUP-7000FE over quite a period of time. It will have to be shipped and I am gathering packing materials and researching methods right now - bit nervous as this will be my 1st turntable packing job.
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Van_Isle
Super Member
Before I send off the turntable, I wanted to see if I could get the speed stable by cleaning pots and switches, etc. I pulled it apart and applied deoxit to the speed adjustment pots, speed selector switch and the 33 & 45 trim pots. There's a 3rd trim pot on the board, but unclear what it does (probably something like voltage trim to the motor). I centered each adjustment pot then tweaked the trim pots to correct speed.
I also took the opportunity to degunk the entire thing .... cleaning off all the dried lube and reapplying new. Checked that all the functions worked (start, end, repeat, cut).
So far so good .... I have it sitting just turning.
Here are some pics of the inside. The only markings inside are on the motor (Fujiya Audio Co. DAM-512-12-2U) and the board (DAM-506).
Here are some better pics.
I also took the opportunity to degunk the entire thing .... cleaning off all the dried lube and reapplying new. Checked that all the functions worked (start, end, repeat, cut).
So far so good .... I have it sitting just turning.
Here are some pics of the inside. The only markings inside are on the motor (Fujiya Audio Co. DAM-512-12-2U) and the board (DAM-506).
Here are some better pics.
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TurboBuick.
Member
Rare turntable that's for sure, i have 3 in my collection and my Dad has one.
When i was a kid my Dad bought 2 of these brand new and later on had to sell because he needed some cash to help raise my sister and i on his own.
He always wished he never sold them so i pursued them for 8 years and bought the only 4 i found and gave the first one to my Dad.
Very rare and fully automatic which comes in handy, very good build quality and sound great!
Mike.
When i was a kid my Dad bought 2 of these brand new and later on had to sell because he needed some cash to help raise my sister and i on his own.
He always wished he never sold them so i pursued them for 8 years and bought the only 4 i found and gave the first one to my Dad.
Very rare and fully automatic which comes in handy, very good build quality and sound great!
Mike.
lico
Super Member
ETI_5000
Super Member
It looks pretty good, and that doesn’t surprise me – most Japanese electronics manufacturers made good turntables. I haven’t ever seen NEC turntables, but have used their PC’s a long time ago (over 20 years ago – they had very large 20MB hard drives, and 5.25” floppy drives!), and my brother had an NEC TV, and they were high quality.
It certainly looks nice, although I can see what you mean about the feet – they do look a bit out of place!:scratch2:
It certainly looks nice, although I can see what you mean about the feet – they do look a bit out of place!:scratch2:
Dneprrider
Active Member
I just obtained one of these too. And have it open up on the workbench right now. I am trying to figure out where the copper spring attaches to. I see the left side attaches to the post with two springs. The copper spring then loops over the asembly and goes where?
Hoping someone can help here.
Hoping someone can help here.
Van_Isle
Super Member
I think it loops over this:
And here's a higher resolution shot from those pictures I took. Hopefully you can just see the end-loop of the copper spring:
That's as good a picture as I have ... sorry.
There's one of these for sale right now in a local used-electronics store for $400. Wonder if they will have any luck!
And here's a higher resolution shot from those pictures I took. Hopefully you can just see the end-loop of the copper spring:
That's as good a picture as I have ... sorry.
There's one of these for sale right now in a local used-electronics store for $400. Wonder if they will have any luck!
mwelna
Active Member
I am a big fan of NEC gear. Nice turntables guys.
http://www.ebay.com/itm/Vintage-NEC...nSu%2BhRH%2FeKjS6CRrs%3D&orig_cvip=true&rt=nc
One just sold on ebay with little interest but it's likely that the crazy shipping price and the poor description of the TT's functional issues turned people off.
Looks like a nice unit and the feet on the ebay piece look the same as the OP's.
http://www.ebay.com/itm/Vintage-NEC...nSu%2BhRH%2FeKjS6CRrs%3D&orig_cvip=true&rt=nc
One just sold on ebay with little interest but it's likely that the crazy shipping price and the poor description of the TT's functional issues turned people off.
Looks like a nice unit and the feet on the ebay piece look the same as the OP's.
Dneprrider
Active Member
Thank you, it was hard to see the end loop but knowing what to look really helped. Ok i think I got mine looped over like yours now.
I was still having a problem getting mine to start. So I checked out the TIP48 transistor.
The TIP48 was bad, so I replaced it with a TIP50 I had in stock. it started right up, with no issues. This is a nice turntable, very quite motor and solid.
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Old thread that I will bring to the top.
I have an NEC AUP-7000PFE on the bench. The strobe lights up but that's all that happens. I've cleaned contacts and controls, tapped and prodded. I replaced the TIP49 with a TIP50 (closest my local shop had) but that did not do anything.
Any other ideas?
I have an NEC AUP-7000PFE on the bench. The strobe lights up but that's all that happens. I've cleaned contacts and controls, tapped and prodded. I replaced the TIP49 with a TIP50 (closest my local shop had) but that did not do anything.
Any other ideas?
Intel from Van_Isle says it's the same as this Toshiba and it sure appears to be.
https://www.vinylengine.com/library/toshiba/sr-f430.shtml
https://www.vinylengine.com/library/toshiba/sr-f430.shtml
Sorry to chime in late on this. These turntables, when originally sold, would come back with speed issues usually within weeks of purchase. On the AUP7000, the TO-220 transistor on the heatsink from the factory was not up to snuff. It couldn't handle the current draw, as I recall, and the fix was replacement by a different transistor (might have been different pinout) and the problem was gone forevermore.
I don't recall the part/model number of the original transistor, or the replacement, at the moment. Don't recall if TIP transistors were in it or something Japanese (2SB/ 2SC / 2SD etc)
Reference: I sold gear back then for Kelly's, including systems with this NEC AUP7000. And for the AUP7000, I performed this transistor swap out for every turntable that came into the store with a complaint (way up north in Grande Prairie AB). I probably serviced 10 or 20 of these turntables, all with the same symptom & fix. No other work needed.
I actually have an AUP7000FE sitting in its original box right now, waiting to be checked and sold off. Am fairly certain it has the transistor swap already performed (was my dad's t/t), with the work most likely done by me, ~45 yrs ago.
How did I land here, to reply to this thread, you ask?
I was testing out how smart Grok was to see if it had the cure in it's knowledge base. This was some of the commentary it found (from AK):
"Issue: Inconsistent voltage or failing components (e.g., capacitors, transistors) on the control board can disrupt the motor’s servo system, causing speed variations. A user reported replacing a TIP49 transistor with a TIP50 on an AUP-7000PFE with no effect, suggesting other components may be at fault."
edit: on a errand run later this morning, more details came back to me. I believe the factory transistor was a 2SC something. What I replaced it with (per factory service advice, and their supply of the replacement) was a 2SD588, IIRC. Pretty sure if I open up the AUP7000 I have here, I'm going to find a 2SD588.
I don't recall the part/model number of the original transistor, or the replacement, at the moment. Don't recall if TIP transistors were in it or something Japanese (2SB/ 2SC / 2SD etc)
Reference: I sold gear back then for Kelly's, including systems with this NEC AUP7000. And for the AUP7000, I performed this transistor swap out for every turntable that came into the store with a complaint (way up north in Grande Prairie AB). I probably serviced 10 or 20 of these turntables, all with the same symptom & fix. No other work needed.
I actually have an AUP7000FE sitting in its original box right now, waiting to be checked and sold off. Am fairly certain it has the transistor swap already performed (was my dad's t/t), with the work most likely done by me, ~45 yrs ago.
How did I land here, to reply to this thread, you ask?
I was testing out how smart Grok was to see if it had the cure in it's knowledge base. This was some of the commentary it found (from AK):"Issue: Inconsistent voltage or failing components (e.g., capacitors, transistors) on the control board can disrupt the motor’s servo system, causing speed variations. A user reported replacing a TIP49 transistor with a TIP50 on an AUP-7000PFE with no effect, suggesting other components may be at fault."
edit: on a errand run later this morning, more details came back to me. I believe the factory transistor was a 2SC something. What I replaced it with (per factory service advice, and their supply of the replacement) was a 2SD588, IIRC. Pretty sure if I open up the AUP7000 I have here, I'm going to find a 2SD588.
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