Digest for sci.electronics.repair@googlegroups.com - 5 updates in 4 topics

jaugustine@verizon.net: Sep 29 07:31AM -0400

Hi,
 
I recently bought a 2017 Jeep Grand Cherokee Trail Hawk.
 
I found light settings where you can turn off Daylight Running Lights,
Wiper (when it rains) Lights, when you lock you vehicle, but there is
NO setting to disable headlights turning on when you open the door.
 
Any ideas?
 
Thank You in advance, John
"pfjw@aol.com" <peterwieck33@gmail.com>: Sep 29 04:52AM -0700

There is a relay under the hood for that - but it puts your entire system on "manual". I believe it is marked DRL - but it does vary by model.
 
Peter Wieck
Melrose Park, PA
Stu jaxon <stankowalski02@gmail.com>: Sep 29 03:48AM -0700

Hi Group, can someone help please? Im working on a Vizio led tv, D43-C1 Power Supply / LED Board 715g6973 p02-002-00h. when testing the output pins to main logic board with dmm, i get 5v on stby, 18v on 6 pins that the legend aks for 12v, when i disconnect the harness to the main board, i get zero volts on stby and 18v on the 12v pins.. when testin the k18a60v mosfet Q9102, on the drain pin I get 18v dc.. should i change the power supply board or the mosfet..?
Tom Kupp <tjkupp@gmail.com>: Sep 28 04:53PM -0400

On 09/27/20 11:38, Tom Kupp wrote:
 
>> Peter Wieck
>> Melrose Park, PA
 
> Thanks; I have submitted a question.
Here is the reply:
 
Hello,
 
Thank you for contacting us and sorry for reply you so late.
 
Please be informed CNet 5614XE this product has been phased out for a
long time, and we didn't find its spec information in our database, so
we are sorry that we can't help you on this issue.
 
Again, we are sorry for the inconvenience made and please don't hesitate
to contact us if any other questions. Thank you.
 
Best regards,
 
CNet support
"Ron D." <ron.dozier@gmail.com>: Sep 28 12:32PM -0700

terrell. Nic
 
At the university where I worked, they had a ground potential across about 200' in their computing center built duting the big mainframe ERA. A motor-generator fed the building.
 
During a storm, there was a potential that developed across the ground between one side and the other side of the building. They had to replace those lines with fiber.
 
The rotor is an Eagle Aspen ROTR-100 which is pretty cool, but going to be repairable if it fails. min uses a coax for power/positioning. You can, but I didn't use it for the antenna feed too. You can even use it to power a pre-amp.
it send DISEQ/C signals on the coax for positioning.
 
One bad thing is that the readout is not real-time when the antenna is moving. The readout "pretends" to know where the antenna is.
 
I did use a thrust bearing which isn't available anymore and I did replace the studs with stainless studs. 318 SS and anti-sieze if possible. All hardware went that route. The antenna mount is an eve mount made with Unistrut and I guy every 120 degrees using a non-conductive guy wire called Phillystran. I never got a chance to replace the aluminum mast wth fiberglass,
 
When we had the tree trimmed, I offered to help take down the antenna. To do that, I install a 2 piece shaft collar under the antenna and loosen the antenna and remove the connections. The tree guy in the bucket truck just plucked the antenna off the mast. He did his thing and plopped it back on the mast and I could finish it after the install. I had to do some more important antenna stuff and I was unable to change the mast to fiberglass.
 
I changed all of the U-bolts to stainless too. I didn't powdercoat the rotor brackets although I had plenty of time if i had planned it during the original install.
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