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Search: Posts Made By: vestaviascott
Forum: General Electronics Technical Discussion 09-06-2018, 05:37 AM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

True on this one, most don't even show that - or they are so low res you can't make out if its a + or -. This one's not for the 850 elliptical however.
Forum: General Electronics Technical Discussion 09-05-2018, 11:36 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

BTW, here's but one example of how these replacement adapters output specs get doctored out of sales page photos:
...
Forum: General Electronics Technical Discussion 09-05-2018, 11:31 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

Its a Pro-Form 850 Elliptical Model # PFEL5105.1

I've just ordered a replacement battery cover for it but I'm not going to order an AC adapter for it since the batteries with the cover are fine...
Forum: General Electronics Technical Discussion 09-05-2018, 09:47 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

I really appreciate your suggestion here.

But, I'm not clear on how you are suggesting that I connect the cut USB cable to the elliptical's DC input adapter. Its a barrel type AC/DC adapter female...
Forum: General Electronics Technical Discussion 09-05-2018, 09:31 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

It was damn tedious getting those wires to stick with electrical tape, especially as I pushed them into their sockets on the console, but she lit up! The fan and the resistance motor appear to work...
Forum: General Electronics Technical Discussion 09-05-2018, 08:45 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

Thanks, especially for the 2.1mm vs 2.5mm tip. Tightest fit that works?

About the first part of your response, I'm finding, when I search for power adapters for these machines, the output specs on...
Forum: General Electronics Technical Discussion 09-05-2018, 08:39 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

Exactly what I was looking for. Got it. Thanks.



Thanks for the explanation and covering all points. It's really appreciated. I'll do the tests as you indicate.
Forum: General Electronics Technical Discussion 09-05-2018, 03:10 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

That would certainly make it brain dead simple, but there is no such diagram to be found. That's why I'm asking how to test the polarity without that diagram to guide me.



The machine has a...
Forum: General Electronics Technical Discussion 09-05-2018, 02:10 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

I may just tape the wires to the batteries. Its just to confirm the panel is working or not at this point before I invest in a proper matched power adapter and battery cover.
Forum: General Electronics Technical Discussion 09-05-2018, 02:08 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

So, if the machine specifies 6v 2a and I try to use a 6v 1.3a power supply (aka the "universal" adapter above), it may or may not work or it definitely will not work?
Forum: General Electronics Technical Discussion 09-05-2018, 01:26 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

Frick! I didn't catch that! So, maybe the battery hack? Just connect two wires to each pair of batteries? Just for testing the console temp.
Forum: General Electronics Technical Discussion 09-05-2018, 01:17 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

In this case, its an elliptical machine that also takes 4 D batteries:
...
Forum: General Electronics Technical Discussion 09-05-2018, 01:10 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

The machine calls for 6v 2a power supply. The universal connector can output up to 2.1 amps.




In the field (aka "thrift shop") I can't easily take the machines apart to ground to one of the...
Forum: General Electronics Technical Discussion 09-05-2018, 01:01 PM
Replies: 29
Views: 911
Posted By vestaviascott
Re: Center Pin Polarity Check?

Maybe this question could be better phrased:

"Can the barrel/pin be checked with a multimeter to determine center pin polarity?"
Forum: General Electronics Technical Discussion 09-05-2018, 11:55 AM
Replies: 29
Views: 911
Posted By vestaviascott
Center Pin Polarity Check?

I've been buying and selling lots of used fitness equipment recently. It often happens that the power adapters are missing and the ones that have option to run off batteries are usually missing the...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-05-2018, 07:29 AM
Replies: 111
Views: 1,919
Posted By vestaviascott
Re: Like New Nautilus Exercise Bike has Dead Panel

OK, confused again. Hopefully I haven't exhausted your patience yet with my continued probing for understanding...

"As your meter probes resistance" compared to what? I'm measuring the resistance...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-04-2018, 01:40 PM
Replies: 111
Views: 1,919
Posted By vestaviascott
Re: Like New Nautilus Exercise Bike has Dead Panel

Ah, I see now (said the blind man), lol. Yep I understand with your explanation. I misunderstood your reasoning earlier <learning>

So, my lesson learned is (correct me if I'm wrong), if there is >...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-04-2018, 10:20 AM
Replies: 111
Views: 1,919
Posted By vestaviascott
Re: Like New Nautilus Exercise Bike has Dead Panel

Here's a pic of the back of the board, do I need to remove the panel?
...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-04-2018, 10:03 AM
Replies: 111
Views: 1,919
Posted By vestaviascott
Re: Like New Nautilus Exercise Bike has Dead Panel

Why? What would the resistance read if it ran on say 1.8v or 5v?

I thought we knew it was 3.3v due to its P/N (GH16D)
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-04-2018, 08:55 AM
Replies: 111
Views: 1,919
Posted By vestaviascott
Re: Like New Nautilus Exercise Bike has Dead Panel

Yes, one pin measures 1.2v, the other 4.99v
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-04-2018, 06:41 AM
Replies: 111
Views: 1,919
Posted By vestaviascott
Re: Like New Nautilus Exercise Bike has Dead Panel

Left and right pins measure 8.8v, middle pin measures 0.7v

Question:
These pins are SUPER small and VERY close to one another, if I happen to accidentally bridge two pins with my test lead while...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-04-2018, 06:33 AM
Replies: 111
Views: 1,919
Posted By vestaviascott
Re: Like New Nautilus Exercise Bike has Dead Panel

That pin on C20 is almost too tiny to hit, but when I can, I'm getting 0.6 to 0.7 ohms resistance.
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-04-2018, 05:42 AM
Replies: 111
Views: 1,919
Posted By vestaviascott
Re: Like New Nautilus Exercise Bike has Dead Panel

Closeup shot is below. There is what appears to be a vertical bar or line, followed by "R50" so "|R50"
...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-03-2018, 10:19 PM
Replies: 111
Views: 1,919
Posted By vestaviascott
Re: Like New Nautilus Exercise Bike has Dead Panel

Have not. Have to get a soldering iron or bring it to a buddy who has one (and knows how to use it, lol)
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-03-2018, 10:14 PM
Replies: 111
Views: 1,919
Posted By vestaviascott
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