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Search: Posts Made By: sam_sam_sam
Forum: General Electronics Technical Discussion 05-22-2022, 06:53 AM
Replies: 11
Views: 666
Posted By sam_sam_sam
Re: EBC-A10H BatteryTesting Machine Mosfet Failure when activate dose not turn off

Update from the last post above

It turns out that the controller is not the issue the mosfets interacts with the controller to do the amp calculations I am not sure exactly how but I could not...
Forum: General Electronics Technical Discussion 05-22-2022, 06:36 AM
Replies: 8
Views: 161
Posted By sam_sam_sam
Re: Are these devices any good ( 5" TFT LCD Monitor Reversing Truck 4Pin Camera feed

Can you recommend a monitor that is decent quality that is what I am also looking for thanks
Forum: General Electronics Technical Discussion 05-21-2022, 06:44 PM
Replies: 8
Views: 161
Posted By sam_sam_sam
Forum: General Electronics Technical Discussion 05-21-2022, 06:56 AM
Replies: 8
Views: 161
Posted By sam_sam_sam
Re: Are these devices any good ( 5" TFT LCD Monitor Reversing Truck 4Pin Camera feed

That just great …—>

:trashcan:

…—>are the more expensive ones any better than this because if not then I will look for the cheapest one that I can find

I...
Forum: General Electronics Technical Discussion 05-21-2022, 02:51 AM
Replies: 8
Views: 161
Posted By sam_sam_sam
Are these devices any good ( 5" TFT LCD Monitor Reversing Truck 4Pin Camera feed back

I think about buying one are these devices worth the money
...
Forum: General Electronics Technical Discussion 05-21-2022, 01:53 AM
Replies: 11
Views: 666
Posted By sam_sam_sam
Re: EBC-A10H BatteryTesting Machine Mosfet Failure when activate dose not turn off

I know for sure that the controller is malfunction because the new ones do not allow you to start the charging cycle unless you have a battery hookup to the tester and the ones that are having issues...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-21-2022, 12:51 AM
Replies: 4
Views: 150
Posted By sam_sam_sam
Re: Jenn Air Wall Oven Dim LCD

Use caution when you work around a LCD display to NOT bend twist the glass screen because it is easily cracked if it glued to the face plate it might have a LED for the backlight which probably...
Forum: General Electronics Technical Discussion 05-18-2022, 07:14 PM
Replies: 11
Views: 666
Posted By sam_sam_sam
Re: EBC-A10H BatteryTesting Machine Mosfet Failure when activate dose not turn off

Well here is an update…..——>

:poof: ….——>

The controller portion of charging circuit goes to 5.5 amps and is uncontrollable the discharge still works but I not convinced that there is not...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-14-2022, 10:30 AM
Replies: 12
Views: 358
Posted By sam_sam_sam
Re: Power Man ip-p300bn7-2 blown

Great repair good work one more that did not end up in the landfill
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-14-2022, 05:41 AM
Replies: 22
Views: 361
Posted By sam_sam_sam
Re: new OS on a Sonim XP5s phone

I personally do not buy phone or tablet on eBay except for maybe trying to repair one that I already have that is having issues that I might be able to fix for the reason that you mentioned in your...
Forum: General Electronics Technical Discussion 05-14-2022, 05:06 AM
Replies: 10
Views: 178
Posted By sam_sam_sam
Re: Ota locals converter box suggestion.

Are you looking for something like this

https://www.ebay.com/itm/275311046771?epid=2255395244&hash=item4019d13073:g:ASsAAOSwgnZifuXN

Back in the day when they went digital tv the converter...
Forum: General Electronics Technical Discussion 05-14-2022, 04:48 AM
Replies: 221
Views: 18,054
Posted By sam_sam_sam
Re: Here is a good used source for 18650 batteries

Here is another offer from Battery Hookup

If you need sub c batteries for power tools

https://batteryhookup.com/products/12x-ni-cd-sub-c-cells-from-drill-packs

I just bought some because I...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-14-2022, 04:19 AM
Replies: 17
Views: 230
Posted By sam_sam_sam
Re: equivalent for HT3582DM

Here is an alternative to repairing this unit

I have used this type of charger and they work pretty good if can find one that is built very good
...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-14-2022, 04:05 AM
Replies: 17
Views: 230
Posted By sam_sam_sam
Re: equivalent for HT3582DM

Where did you buy them from can you post a link to them
Forum: General Electronics Technical Discussion 05-14-2022, 03:14 AM
Replies: 6
Views: 155
Posted By sam_sam_sam
Re: Power supply noisy with aggressive PWM

I would start with a low value UF capacitor and work my way up in value until I get the results that you are looking for
Forum: Troubleshooting Power Supplies and Power Supply Design 05-14-2022, 03:04 AM
Replies: 17
Views: 230
Posted By sam_sam_sam
Re: equivalent for HT3582DM

Here is a website link that has a Reverse Engineered Schematics

https://danyk.cz/reverz30_en.html
Forum: Troubleshooting Power Supplies and Power Supply Design 05-14-2022, 02:32 AM
Replies: 13
Views: 305
Posted By sam_sam_sam
Re: identify torroidal transformer amperage

Do you still have the device that this came out of it should have data plate on it so you can get a rough estimate of it amperage

One note I would first start by putting a rectifier diode assembly...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-14-2022, 01:16 AM
Replies: 2
Views: 73
Posted By sam_sam_sam
Re: Can you recognize this chip?

This device is extremely difficult to repair in the past I have tried to repair them if it is not an issue with the solar panel wiring or a capacitor being bad or something similar like a resistor...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-13-2022, 03:33 PM
Replies: 9
Views: 340
Posted By sam_sam_sam
Re: CyberPower 1350AVR and 1500AVR - Repair

Thanks for the write up about the the repair issue that you were having with these units

Batteries should be wired in series to get 24 volts now for the one that 12.something pre battery it just...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-13-2022, 02:59 PM
Replies: 14
Views: 424
Posted By sam_sam_sam
Re: welder zimmer 201 power control board

I would give each circuit board a good look over for dull or cracked and bad soldering joints
( I once had a battery charger controller board on big magnet that picked up metal plates that had very...
Forum: General Electronics Technical Discussion 05-13-2022, 12:34 PM
Replies: 1
Views: 125
Posted By sam_sam_sam
Re: Need advice - hot tweezers under 300 usd

Do you want something that is micro in size because you can find a large version for probably less money and have different options for the tips

Thanks for wanting advice for hot tweezers I found...
Forum: Troubleshooting Computer Displays 05-13-2022, 11:42 AM
Replies: 101
Views: 41,082
Posted By sam_sam_sam
Re: Dell 2408WFPb / 2408WFP - No Power

Yea I know I am responding to a very old post but when I read this I had to respond to the comment

I have used this method before but I recently saw a YouTube video where this woman use the diode...
Forum: Troubleshooting Computer Displays 05-13-2022, 11:30 AM
Replies: 6
Views: 217
Posted By sam_sam_sam
Re: VisionQuest 24" monitor: works sometimes

When you open it up look at the area around the switching power supply transformer there should be a switching power supply regulator of some type there should be some very low value capacitor under...
Forum: Troubleshooting Computer Displays 05-13-2022, 11:18 AM
Replies: 5
Views: 220
Posted By sam_sam_sam
Re: ViewSonic VA1703wb - Hot Area - Can I Replace FSDM0565R with an FSQ0456R

Like I said earlier in the PM that I sent you need a ring tester to test the switching transformer to see if it is shorted or it could be that the switching power supply regulator just failed because...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-13-2022, 10:59 AM
Replies: 10
Views: 378
Posted By sam_sam_sam
Re: Glueing Two Sided Flex Ribbon,Jaguar XJS Instrument cluster.

If you post some pictures of the speedometer I might be able to help you with it but I have to see what you have the more detail on the picture the better

I have repaired one on my 1995 Ford Range...
Showing results 1 to 25 of 500

 
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