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5 hours ago, Atari_Bill said:

Curious if anyone ever came up with a good theory on serial numbers for original units that began with a ‘R’. 

I think the R stands for 'region', i.e. a region outside the USA.  For example 2609 A, were made in hong kong for the usa while 2609 RH were made in hong kong for Canada, curious how units in Mexico were labeled.  The 2609 RH serials start at a million and there were probably around 200k made.  There's also an early, made in USA model 1716 R.

3 hours ago, mr_me said:

I think the R stands for 'region', i.e. a region outside the USA.  For example 2609 A, were made in hong kong for the usa while 2609 RH were made in hong kong for Canada, curious how units in Mexico were labeled.  The 2609 RH serials start at a million and there were probably around 200k made.  There's also an early, made in USA model 1716 R.

Yeah, the 1716 R model was what I was curious about.  I’m assuming these aren’t the earliest U.S.A. models, but didn’t know where they fall in production.  It’s labeled with the molded ‘made in U.S.A. 1979’ text.  

All the made in USA Mattel models are within the first 200k or first year of production.  In that year, there were several revisions to the box which can help place it, you could also read the dates printed on the chips.  The model 1716 is a bit of a mystery, seems rare.

1 hour ago, mr_me said:

All the made in USA Mattel models are within the first 200k or first year of production.  In that year, there were several revisions to the box which can help place it, you could also read the dates printed on the chips.  The model 1716 is a bit of a mystery, seems rare.

Interesting.  Thanks for the info.  For whatever reason I always find the SN discussions fascinating.  

  • 3 weeks later...
On 12/23/2023 at 4:21 PM, Sonaru said:

That may be a rare 1979 launch model. Can you open it up and take pictures of the power supply and motherboard? I'm wondering if there are any differences 

I opened it up.  The motherboard has the metal shield soldered on the top and bottom so there is nothing to see until the shield is removed.  I forgot to take photos of the power supply, sorry.

On 12/6/2023 at 7:14 AM, mr_me said:

All the made in USA Mattel models are within the first 200k or first year of production.  In that year, there were several revisions to the box which can help place it, you could also read the dates printed on the chips.  The model 1716 is a bit of a mystery, seems rare.

I was asking about the ‘R’ model because I was trying to decide about a purchase.  I did end up picking it up.  Here are some pics.  Very early SN for an R.   Also in very nice shape.  No SN on the box so that didn’t help with any questions.  I opened it up and I was wondering if maybe the R designation along with the model 1716 could be ‘Refurbished’.  I ask because when I look inside, there is a number hand written on the board.   I think it says 38996.  See the pic.  Could that be the original SN?   
 

IMG_1770.thumb.jpeg.dfa251dcb5540b3a4cde1389110ee8ee.jpegIMG_1772.thumb.jpeg.de929c4699d92399a54a0ff39e7204cc.jpegIMG_1773.thumb.jpeg.c48a1e5d626d7894c14e35296f0f6b03.jpegIMG_1774.thumb.jpeg.0fc879186f833adffc0b63e070945c04.jpegIMG_1775.thumb.jpeg.22a284276a8996c1960f52d62de64461.jpegIMG_1776.thumb.jpeg.714d601a1fe551bf03841b8d7e59352c.jpeg

On 12/24/2023 at 6:42 PM, Lathe26 said:

I opened it up.  The motherboard has the metal shield soldered on the top and bottom so there is nothing to see until the shield is removed.  I forgot to take photos of the power supply, sorry.

Please send pictures of the motherboard if you remove the shielding. Also let me know if you decide to sell it. Been meaning to get a launch model for a while but it's hard to find one when you don't know how many systems sold for the test launch

On 12/25/2023 at 3:26 PM, Atari_Bill said:

I was asking about the ‘R’ model because I was trying to decide about a purchase.  I did end up picking it up.  Here are some pics.  Very early SN for an R.   Also in very nice shape.  No SN on the box so that didn’t help with any questions.  I opened it up and I was wondering if maybe the R designation along with the model 1716 could be ‘Refurbished’.  I ask because when I look inside, there is a number hand written on the board.   I think it says 38996.  See the pic.  Could that be the original SN?   
 

IMG_1770.thumb.jpeg.dfa251dcb5540b3a4cde1389110ee8ee.jpegIMG_1772.thumb.jpeg.de929c4699d92399a54a0ff39e7204cc.jpegIMG_1773.thumb.jpeg.c48a1e5d626d7894c14e35296f0f6b03.jpegIMG_1774.thumb.jpeg.0fc879186f833adffc0b63e070945c04.jpegIMG_1775.thumb.jpeg.22a284276a8996c1960f52d62de64461.jpegIMG_1776.thumb.jpeg.714d601a1fe551bf03841b8d7e59352c.jpeg

Im not sure if you noticed this, but the soldered shielding is also strange. The top looks normal, but the bottom is black (Super Pro). Ive never seen that before. Normally both pieces are unpainted steel (atleast for the many 2609 systems ive seen).

My guess it was fixed before, or refirbished by mattel.

  • Like 1
10 hours ago, Psycho Stormtrooper- Rog said:

Im not sure if you noticed this, but the soldered shielding is also strange. The top looks normal, but the bottom is black (Super Pro). Ive never seen that before. Normally both pieces are unpainted steel (atleast for the many 2609 systems ive seen).

My guess it was fixed before, or refirbished by mattel.

That supports my theory of refurbishment for the ‘R’ models.  I also noticed that there seems to be another SN sticker below the existing one.  I can’t get the top one off without destroying it however.  Thanks for the info!

The serial number sticker covering another sticker tells you something authorised by Mattel happened to that system.

 

11 hours ago, Psycho Stormtrooper- Rog said:

Im not sure if you noticed this, but the soldered shielding is also strange. The top looks normal, but the bottom is black (Super Pro). Ive never seen that before. Normally both pieces are unpainted steel (atleast for the many 2609 systems ive seen).

My guess it was fixed before, or refirbished by mattel.

I think that shield in the made in Hong Kong 2609 units are black.  Also notice the two tabs on the side are not soldered.

 

19 hours ago, Sonaru said:

Please send pictures of the motherboard if you remove the shielding. Also let me know if you decide to sell it. Been meaning to get a launch model for a while but it's hard to find one when you don't know how many systems sold for the test launch

They could be the same as all the other made in USA 2609 models.  Mattel probably continued production going into 1980 as their suppliers were able to scale up supply of components.  If there were changes, it could have happened anytime over the first two hundred thousand units.

  • 3 months later...
  • 2 months later...
17 hours ago, Rod said:

I'll take it over as soon as I finish cataloging all the extant Keyboard Components.

 

Thanks. I had it on my plate but couldn't get it in a usable form  (the "somebody" in my post was me), it would be great if you want to run with it.

  • 3 weeks later...

I just recently stumbled across this forum and it got me wanting to get my system fixed, it doesn't powe on. I've got someone I'm sending it to. I'm not good at soldering (I can't at all) and I'm sure it will need a few things. 

Model: 3504

Serial: A 006664

20240701_102058.jpg

  • Like 3
  • 3 months later...

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