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Search: Posts Made By: keeney123
Forum: Troubleshooting & Designing Networks Yesterday, 03:20 PM
Replies: 22
Views: 420
Posted By keeney123
Re: Netgear = By far the most horrible support ever!

Good for you. If enough people took your course of action, then either netgear would change or they would be out of business. It is called people power.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 08-10-2022, 08:58 PM
Replies: 3
Views: 102
Posted By keeney123
Re: HP Pavilion 15-N DIS to UMA Conversion done BUT no Audio output

I had wanted a snip it uploaded to this site of the device manager for the display adapter to see what adapter your system is showing up as. Are there any {!} marks ect. Same goes with the Audio both...
Forum: Troubleshooting & Designing Networks 08-09-2022, 09:54 PM
Replies: 22
Views: 420
Posted By keeney123
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 08-09-2022, 09:48 PM
Replies: 3
Views: 102
Posted By keeney123
Re: HP Pavilion 15-N DIS to UMA Conversion done BUT no Audio output

How did you convert from discreate graphics to ram board shared Graphic and why? Can you go to the device manager and open display adapters and take a snip it or screen shot, and then go to the sound...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 08-09-2022, 07:30 PM
Replies: 2
Views: 108
Posted By keeney123
Re: how to test power button when it is on keyboard

I guess that would be dependent of the Manufacturer and the model of the laptop. Of course, one could press the power button and if the unit did not turn on then one could assume a problem. It would...
Forum: General Electronics Technical Discussion 08-07-2022, 10:11 PM
Replies: 63
Views: 1,234
Posted By keeney123
Re: Another water pump automation project (suggestions ?)

Hall Effect switches have been used in crank shaft position sensors for years. Many millions and millions of cars and trucks have them. Although there may be a problem in very few vehicles, I would...
Forum: General Electronics Technical Discussion 08-06-2022, 07:14 PM
Replies: 63
Views: 1,234
Posted By keeney123
Re: Another water pump automation project (suggestions ?)

Very useful information. I think one could also use hall effect sensors. Using a float on the side of the tank that has a magnetic material inside of it and the hall effect sensor on the outside. One...
Forum: General Capacitor Questions & Issues 08-05-2022, 07:30 PM
Replies: 36
Views: 877
Posted By keeney123
Forum: General Electronics Technical Discussion 08-05-2022, 04:27 PM
Replies: 63
Views: 1,234
Posted By keeney123
Re: Another water pump automation project (suggestions ?)

The beauty of this is that it is hung from the top. So, one can make it as long or short as one want to. The bottom of the outside tube does not need to go to the bottom of the tank. It just needs to...
Forum: General Electronics Technical Discussion 08-05-2022, 02:04 PM
Replies: 63
Views: 1,234
Posted By keeney123
Re: Another water pump automation project (suggestions ?)

Here is one of my simple designs for using a float and limit switch. Maybe it will trigger an idea for you. You will have to rotate it clockwise.
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-05-2022, 03:52 AM
Replies: 13
Views: 188
Posted By keeney123
Re: Lexmark E260DN Error

Are you able to trace pin 2 and pin 4 back on the board to what they are connected to. You what to unplug machine first. Verify trace with ohm meter. For some reason your power supply is producing...
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-05-2022, 03:09 AM
Replies: 13
Views: 188
Posted By keeney123
Re: Lexmark E260DN Error

Want to make sure your controller board looks the same as page 156 of the manual?
Forum: General Capacitor Questions & Issues 08-05-2022, 02:02 AM
Replies: 36
Views: 877
Posted By keeney123
Re: What are the 'actual' effects of old electrolytics in a vintage radio?

It has been 47years since I study Fm Radio. For the Transmission and Receiving voltage it will be small for where the radio is. There will be a lot of tuned circuits. This is the from end of the FM...
Forum: General Electronics Technical Discussion 08-05-2022, 01:26 AM
Replies: 63
Views: 1,234
Posted By keeney123
Re: Another water pump automation project (suggestions ?)

So, there are different types of float switches. One can use a limit switch as a float switch. If you think about the float in a toilet bowl. The float goes down until it gets low enough for the...
Forum: Troubleshooting & Designing Networks 08-05-2022, 12:13 AM
Replies: 22
Views: 420
Posted By keeney123
Re: Netgear = By far the most horrible support ever!

This is the same type of problem I had with a Sonim phone. It seems these companies are finding creative ways of not honoring their warranties for the junk that is being made. You can file complaints...
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-02-2022, 05:54 PM
Replies: 13
Views: 188
Posted By keeney123
Re: Lexmark E260DN Error

If you look on page 72 of service manual it will give service checks. You can go through this and verify them. These checks will give you a very good understanding of what actually is wrong.
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-02-2022, 05:48 PM
Replies: 13
Views: 188
Posted By keeney123
Re: Lexmark E260DN Error

Here is an explanation of the transfer roller.

https://smallbusiness.chron.com/printer-transfer-roll-57465.html
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-02-2022, 05:44 PM
Replies: 13
Views: 188
Posted By keeney123
Re: Lexmark E260DN Error

So, the gear shown on the other end of the transfer roll indicates it is being driven by a motor.
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-02-2022, 05:41 PM
Replies: 13
Views: 188
Posted By keeney123
Re: Lexmark E260DN Error

If you look on page 66 of the service manual the 917 error could have to do with a servo motor. Servo can be either DC or AC. They will have a feedback loop that monitors speed, position and...
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-02-2022, 05:14 PM
Replies: 13
Views: 188
Posted By keeney123
Re: Lexmark E260DN Error

So that tells you a lot. Being able to go through the start up sequence means that the control board must be working and getting voltage to it. If it fails at the roller then I guess I would first...
Forum: General Electronics Technical Discussion 08-02-2022, 05:00 PM
Replies: 63
Views: 1,234
Posted By keeney123
Re: Another water pump automation project (suggestions ?)

TE Conductivity sells worldwide and they have 24 volt DC relay with contacts you should be able to find those.

Here is TE relay shop site. They are very good people and will help you any way they...
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 08-01-2022, 07:14 PM
Replies: 13
Views: 188
Posted By keeney123
Re: Lexmark E260DN Error

It seems the input voltage for this power supply is 100 to 127 VAC at 10 amps with {2} 24 volt DC at 25 amps outputs and {1} 5 Volt DC output at 3 amps and (!} 100 to 127 volt Ac output at 545 Watts....
Forum: General Capacitor Questions & Issues 07-31-2022, 08:47 PM
Replies: 36
Views: 877
Posted By keeney123
Re: What are the 'actual' effects of old electrolytics in a vintage radio?

In the day FM was very important to the customer. It had so much reduced noise to AM. Of course, that was in the day music was making leaps and bounds of change. It was interesting to listen to the...
Forum: General Electronics Technical Discussion 07-30-2022, 03:50 PM
Replies: 63
Views: 1,234
Posted By keeney123
Re: Another water pump automation project (suggestions ?)

Explanation on operation of my pump circuit below. When float Switch in last tank falls below a given point the float switch closes. With the normally closed switch of relay coil 2 the coil 1...
Forum: General Electronics Technical Discussion 07-29-2022, 04:20 PM
Replies: 63
Views: 1,234
Posted By keeney123
Re: Another water pump automation project (suggestions ?)

One does not want a timer on a well pump unless the pump is being used for irrigation. If the demand on the water is not predictable the pump needs to pump whenever demand requires. Irrigation...
Showing results 1 to 25 of 500

 
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