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Search: Posts Made By: sam_sam_sam
Forum: Troubleshooting Power Supplies and Power Supply Design Yesterday, 05:45 PM
Replies: 3
Views: 79
Posted By sam_sam_sam
Re: Schematic and print lay out EPS 886098

Here are the boards that are available now and I do not find this one

https://www.elektor.com/products/projects/pcb?page=4
Forum: Troubleshooting Game Consoles & Other Weird Devices Yesterday, 05:05 PM
Replies: 4
Views: 108
Posted By sam_sam_sam
Forum: Troubleshooting Game Consoles & Other Weird Devices Yesterday, 04:47 PM
Replies: 239
Views: 138,398
Posted By sam_sam_sam
Re: Dim Clock LCD on Jenn-Air wall oven

Recommend that you replace the capacitor in question just because it might look okay dose not mean that it is okay replace the resistor and see if the display comes back on if it does not then the...
Forum: General Electronics Technical Discussion Yesterday, 07:14 AM
Replies: 7
Views: 104
Posted By sam_sam_sam
Re: Class 2 Transformer 12 volt @ 800 milliamperes what a lie

It goes to a display/controller however the controller does not control the charging voltage at all
Forum: Troubleshooting Audio Equipment Yesterday, 01:05 AM
Replies: 40
Views: 2,394
Posted By sam_sam_sam
Re: Car radio stopped working

eccerrOr

I have the same tendency to make do with what you have and try to fix something that you really like and become attached to and if you can fix it or trying to find something that is very...
Forum: General Electronics Technical Discussion Yesterday, 12:30 AM
Replies: 7
Views: 104
Posted By sam_sam_sam
Re: Class 2 Transformer 12 volt @ 800 milliamperes what a lie

You are correct about what this charger was in

But do you think that it would over charge a 17 amp hour battery

What do you think the lowest amp hour battery it could charge with out...
Forum: General Electronics Technical Discussion 12-04-2021, 05:05 PM
Replies: 35
Views: 973
Posted By sam_sam_sam
Re: Op-amp preamp discussion

I going to suggest something that might not be obvious at the moment but why not replace both pots with new ones with the same exact part number and see if you have the same imbalance
Forum: General Electronics Technical Discussion 12-04-2021, 04:47 PM
Replies: 7
Views: 104
Posted By sam_sam_sam
Re: Class 2 Transformer 12 volt @ 800 milliamperes what a lie

Okay I will recap it thanks for the information
Forum: General Electronics Technical Discussion 12-04-2021, 03:04 PM
Replies: 7
Views: 104
Posted By sam_sam_sam
Class 2 Transformer 12 volt @ 800 milliamperes what a lie

This is the first time I have seen this crap before in this kind-a data plate for a power supply when you see the word “transformer” when it says 12 volts @ 800 milliamperes that the voltage might...
Forum: General Electronics Technical Discussion 12-04-2021, 02:36 PM
Replies: 2
Views: 57
Posted By sam_sam_sam
Re: Help with boom box modification

I personally do not think that you can modify this way you are talking about

I personally think you can modify it by putting a DTDP switch but the external speakers need to be the same ohm value...
Forum: General Electronics Technical Discussion 12-03-2021, 12:58 PM
Replies: 114
Views: 5,567
Posted By sam_sam_sam
Re: Here is a good used source for 18650 batteries

Update on these battery packs

Pack number 2 the battery voltage was a lot better 32 volts instead of 28 volts on the first battery pack tested and voltages not really near each other

Radom...
Forum: General Electronics Technical Discussion 12-03-2021, 07:52 AM
Replies: 22
Views: 2,022
Posted By sam_sam_sam
Re: SPIM08HP 3.7V 16AH Battery which can handle 200 amp pluses Battery Hookup

Well Electronic Goldmine brought back these again and I bought four of them to try out on the battery stud welder

Eaton PowerStor® XL60 3000 Farad 2.7V Supercapacitor XL60 a 1/3 cost of brand new...
Forum: General Electronics Technical Discussion 12-03-2021, 07:48 AM
Replies: 13
Views: 212
Posted By sam_sam_sam
Re: growing (not biological) rf noise from a car?

I was referring to cars just before they went to coil packs and did away with distributor cap and rotor there was a brief time that had electronic ignition modules
Forum: General Electronics Technical Discussion 12-02-2021, 09:00 PM
Replies: 13
Views: 212
Posted By sam_sam_sam
Re: growing (not biological) rf noise from a car?

How far away are you picking up this noise from the car and is the noise a whiny and changing pitch with electrical load or engine speed more like a from the ignition noise coming from distributor...
Forum: General Electronics Technical Discussion 12-02-2021, 08:33 PM
Replies: 13
Views: 212
Posted By sam_sam_sam
Re: growing (not biological) rf noise from a car?

I would start with the grounding cable connectors first then move on to alternator issues or maybe with ignition systems components there are several symptoms that noise issues can be caused by
...
Forum: General Electronics Technical Discussion 12-02-2021, 07:02 PM
Replies: 13
Views: 212
Posted By sam_sam_sam
Re: growing (not biological) rf noise from a car?

Check to see if your alternator has a noise suppression capacitor on it if it does it probably not working correctly anymore if it does not have one add one but I can not tell you what value to start...
Forum: Troubleshooting Power Supplies and Power Supply Design 11-30-2021, 02:09 AM
Replies: 11
Views: 288
Posted By sam_sam_sam
Re: S-10-5 power supply schematic etc. 5V 2A

It does not work for me either
Forum: Troubleshooting Power Supplies and Power Supply Design 11-29-2021, 07:11 PM
Replies: 36
Views: 5,648
Posted By sam_sam_sam
Re: Corsair CX400W 5vsb goes into safety loop

KZE are available but not in all UF values I will use KZE or KY or the automotive type of LXZ and LXY and had no issues using any of these series in switching power supply
Forum: Troubleshooting Power Supplies and Power Supply Design 11-29-2021, 01:10 AM
Replies: 15
Views: 1,260
Posted By sam_sam_sam
Re: Panasonic SU-HTB18 dead power supply (unidentified transistor)

I like your ghetto fix you got to do what you got to do to make it work
Forum: Troubleshooting Power Supplies and Power Supply Design 11-29-2021, 12:58 AM
Replies: 6
Views: 191
Posted By sam_sam_sam
Re: Honda generator inverter 230v 1900uf caps

Do not count on that being the case because I have seen a lot of boards not marked or it might not be correct ( this is rare but happens) and it is even worse when they are potted
Forum: Troubleshooting Power Supplies and Power Supply Design 11-28-2021, 07:16 PM
Replies: 11
Views: 288
Posted By sam_sam_sam
Re: S-10-5 power supply schematic etc. 5V 2A

Has anyone used this type of switching power supply

Brand : Mean Well
Model : PSC-160A-C
Output CH1 : 13.8V / 7.6A
Output CH2 : 13.8V / 4A (Battery...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 11-28-2021, 03:43 PM
Replies: 115
Views: 10,803
Posted By sam_sam_sam
Re: New tool to find short capacitors on motherboards : shorty with display

I sure hope not because I still want to buy one when it is completely done
Forum: General Electronics Technical Discussion 11-28-2021, 02:29 AM
Replies: 91
Views: 4,994
Posted By sam_sam_sam
Re: Has anyone had issues with Rayovac Alkaline batteries leaking

Update

I did receive the payment that I was promised which like I said it is better than nothing at all
This is covers some of the aggravation that I had to put up with this nonsense from this...
Forum: General Electronics Technical Discussion 11-28-2021, 02:17 AM
Replies: 114
Views: 5,567
Posted By sam_sam_sam
Re: Here is a good used source for 18650 batteries

To add to the post above

The interesting thing about this version of this battery is that not all of these batteries have the same charging and discharging curves I have to wonder if there is...
Forum: Troubleshooting Power Supplies and Power Supply Design 11-28-2021, 01:32 AM
Replies: 9
Views: 1,041
Posted By sam_sam_sam
Re: ICT12012-10A Comm Series folds back under load (fixed)

So how did you modify a Xbox PSU to work like this I sure would like to know
Showing results 1 to 25 of 500

 
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