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Search: Posts Made By: sam_sam_sam
Forum: General Electronics Technical Discussion Today, 05:56 AM
Replies: 141
Views: 1,693
Posted By sam_sam_sam
Re: 12v 1uo941243c Relay repairable?

First you need to know if you have a short circuit on any of those circuit because if it does it might not let it activate this relay for safety reasons
Forum: General Electronics Technical Discussion 10-04-2022, 08:13 PM
Replies: 9
Views: 184
Posted By sam_sam_sam
Re: Led spotlight 220-240W-50Hz max30W

Here is two pages of the data that I could find of the ZC811C ic chip

This ic chip one of the pin when looking at with the print so you can read the print the pin on the most left pin look like...
Forum: General Electronics Technical Discussion 10-04-2022, 04:54 PM
Replies: 9
Views: 184
Posted By sam_sam_sam
Re: Led spotlight 220-240W-50Hz max30W

What about the picture of the back of the circuit board
Forum: General Electronics Technical Discussion 10-04-2022, 03:17 PM
Replies: 9
Views: 184
Posted By sam_sam_sam
Re: Led spotlight 220-240W-50Hz max30W

Take a better picture of the transformer data plate so I can read the entire thing the picture that you posted is not very clear to read everything

Also take a picture of the back of the circuit...
Forum: General Electronics Technical Discussion 10-02-2022, 08:22 PM
Replies: 4
Views: 597
Posted By sam_sam_sam
Re: Very interesting module XL4015 5A DC Buck Step-down Adjustable Voltage Power Conv

Update it turns out that only one out of the 5 that I bought was defective and the rest of work correctly

https://www.ebay.com/itm/224143044400
Forum: General Electronics Technical Discussion 10-01-2022, 06:08 PM
Replies: 141
Views: 1,693
Posted By sam_sam_sam
Re: 12v 1uo941243c Relay repairable?

Post a picture of the relay that you want to know about
Forum: General Electronics Technical Discussion 10-01-2022, 06:06 PM
Replies: 141
Views: 1,693
Posted By sam_sam_sam
Re: 12v 1uo941243c Relay repairable?

Check all of the high amp fuses there was a time way back when they used fuse able link instead of a high amp fuse this much hard to find because they can be any where in the car
Forum: General Electronics Technical Discussion 10-01-2022, 05:53 PM
Replies: 141
Views: 1,693
Posted By sam_sam_sam
Re: 12v 1uo941243c Relay repairable?

Most likely under the hood near the battery

And a number will be on the top of the fuse or on one side of the fuse

They will not look like the lower amp fuses

I just got done installing a...
Forum: General Electronics Technical Discussion 10-01-2022, 05:44 PM
Replies: 141
Views: 1,693
Posted By sam_sam_sam
Re: 12v 1uo941243c Relay repairable?

Because you have to go back to where those fuses get power from this a common practice to have a high amp fuse then have smaller fuses down steam

Like I said earlier you need to have basic...
Forum: General Electronics Technical Discussion 10-01-2022, 05:43 PM
Replies: 141
Views: 1,693
Posted By sam_sam_sam
Re: 12v 1uo941243c Relay repairable?

You got a serious issue if you blew a 50 amp fuse
Forum: General Electronics Technical Discussion 10-01-2022, 05:40 PM
Replies: 141
Views: 1,693
Posted By sam_sam_sam
Re: 12v 1uo941243c Relay repairable?

PN = negative side
50 Z = is your control power
50 A = is your positive side
Forum: General Electronics Technical Discussion 10-01-2022, 05:17 PM
Replies: 141
Views: 1,693
Posted By sam_sam_sam
Re: 12v 1uo941243c Relay repairable?

Look at the relay it should show up the pins are with numbers on it tell you what is common normally open normally closed and if has more than one set of contacts

I am not trying to be mean but...
Forum: General Electronics Technical Discussion 10-01-2022, 09:05 AM
Replies: 4
Views: 597
Posted By sam_sam_sam
Re: Very interesting module XL4015 5A DC Buck Step-down Adjustable Voltage Power Conv

Here is the circuit diagram for this version of the voltage/current buck converter that actually works correctly
...
Forum: General Electronics Technical Discussion 10-01-2022, 06:22 AM
Replies: 4
Views: 597
Posted By sam_sam_sam
Re: Very interesting module XL4015 5A DC Buck Step-down Adjustable Voltage Power Conv

Well I have finally found a working solution for charging battery packs with BMS protection boards


Okay this one the current control does not work correctly but the meter module is very accurate...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-01-2022, 05:40 AM
Replies: 54
Views: 987
Posted By sam_sam_sam
Re: Fish Tank LED Power Supply Gets Hot then shuts down

I had one but I did not think it was that cheap but it only lasted a couple of years and then it would not read any dc current anymore

I just have not bought another one yet but plan on doing...
Forum: Troubleshooting Appliances and other Household Electronic Stuff 10-01-2022, 12:52 AM
Replies: 30
Views: 491
Posted By sam_sam_sam
Re: Sencor SVC7020BK robot vacuum cleaner problem

I would also recommend changing the LM393 as well for the same reason as what STJ mentioned earlier
Forum: General Electronics Technical Discussion 09-30-2022, 11:35 PM
Replies: 22
Views: 653
Posted By sam_sam_sam
Re: EBC-A20 Battery Testing machine capacitor failure on buck converter part of board

The transplant from one enclosure to the other enclosure was a success now I just have to have some time to finish up the banana jacks to the 12 volt 8 amp switching power supply to power the XL4015...
Forum: General Electronics Technical Discussion 09-30-2022, 11:24 PM
Replies: 22
Views: 653
Posted By sam_sam_sam
Re: EBC-A20 Battery Testing machine capacitor failure on buck converter part of board

Update on the unbalanced battery packs that I bought from Battery Hookup I got a refund for the 7 battery packs ( out of the 8 of them that I bought minus the shipping cost ) packs that had lost 30%...
Forum: General Electronics Technical Discussion 09-30-2022, 06:22 PM
Replies: 38
Views: 2,078
Posted By sam_sam_sam
Re: EBC-A10H BatteryTesting Machine Mosfet Failure when activate dose not turn off

Now I have to put the XL4015 voltage/current module in an enclosure with a switching power supply so I can safely use this setup

But now I can charge battery packs that have a BMS protection...
Forum: General Electronics Technical Discussion 09-30-2022, 06:18 PM
Replies: 38
Views: 2,078
Posted By sam_sam_sam
Re: EBC-A10H BatteryTesting Machine Mosfet Failure when activate dose not turn off

I tried to use the controller output from the EBC-A10H will not work correctly in the configuration of the voltage/current controller module with the meters on not a big deal but it would have been...
Forum: General Electronics Technical Discussion 09-30-2022, 06:14 PM
Replies: 38
Views: 2,078
Posted By sam_sam_sam
Re: EBC-A10H BatteryTesting Machine Mosfet Failure when activate dose not turn off

Now this module works correctly on the current but does not come with the voltage/current meters it just so happens that the board are very similar but I had to use the pots from the one that the...
Forum: General Electronics Technical Discussion 09-30-2022, 06:05 PM
Replies: 38
Views: 2,078
Posted By sam_sam_sam
Re: EBC-A10H BatteryTesting Machine Mosfet Failure when activate dose not turn off

“ Because I have been very curious about how this is done because I have not been able to find any examples of how this is done ” from the above post

Major update on the XL4015 buck converter...
Forum: General Electronics Technical Discussion 09-28-2022, 01:21 AM
Replies: 16
Views: 549
Posted By sam_sam_sam
Re: Linear Garage Door Opener Control Board Repair weak capacitors

Yes but I have to research the numbers on the optic sensor and see if I can find a replacement or just buy another service kit for the garage door opener and be done with it I have not had time to...
Forum: Troubleshooting Power Supplies and Power Supply Design 09-27-2022, 07:23 PM
Replies: 8
Views: 237
Posted By sam_sam_sam
Re: ZD-915 Mysterious Fault

Replace the switching power supply regulator because this can cause it to this as well but first replace the small value capacitors around the switching power supply regulator and see if this makes a...
Forum: General Electronics Technical Discussion 09-27-2022, 03:02 PM
Replies: 16
Views: 549
Posted By sam_sam_sam
Re: Linear Garage Door Opener Control Board Repair weak capacitors

I can definitely tell you that it was the door safety receiver module that was the issue because I have had no issues sense replacing it
Showing results 1 to 25 of 500

 
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