Questions tagged [repair]
Questions relating to electrical/electronic repair. Questions on the repair of consumer electronics, appliances, or other devices must involve specific troubleshooting steps and demonstrate a good understanding of the underlying design of the device being repaired. Please ensure your questions are somewhat generic in nature so they are likely to help future visitors and not too localized to a specific piece of equipment.
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Help identify this SOT-23 5 pin component labeled ADU06 and weird behavior
I'm new to fixing circuits and I'm trying to figure out why this board will not boot. I've traced the Vcc on the MCU (H8/38024) to this circuit.
I'm guessing that it is a linear regulator, but when I ...
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Solenoid coil repairing [closed]
My change over JQX-62F-2Z relay coil burns.
So I want to repair the coil.
Please guide me about wire gauge and turns to repair my relay coil.
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Options after breaking USB-C jack off of PCB
Hello!
Snapped the USB-C jack off of my Logitech MX Keys.
I have a background in computer engineering and some experience doing board-level repairs. I do have an SMD hotplate, multiple soldering ...
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Replaced MOSFET in BLDC driver keeps blowing [closed]
I have a motor and controller which, after a catastrophic fault destroyed one of the phase coils and the high and low side MOSFETs for the affected phase, I've repaired by rewinding the coil and ...
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What's wrong with my bread maker?
I'm not sure if that's a place I can ask this question. I've got a 10 years old bread maker, that I've used about 50 times.
2 weeks ago, upon turning it on, everything looked and sounded usual (screen ...
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Yokogawa WT3000 don't boot
I have a Yokogawa WT3000 Power Analyzer which I was using with no problems and then I turned it off to take a break. An hour later, I tried to turn it on and I notice that it shows nothing on the ...
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MS Surface power supply connector
This is an update to the first question about this connector.
I had 3 faulty Microsoft Surface power supplies and I draw a topological circuit diagram for it, to better compare it with the hardware.
...
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Need Information on Vernitron Motor Model 15H4B-AA0-A2
I’m looking for a Vernitron Corporation motor, specifically model 15H4B-AA0-A2. If anyone has a datasheet, or any details about this motor, I would greatly appreciate your help.
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Identify and substitute f1404zs
I need help understanding which chip I need to buy.
First, I hope this is the correct community; if not, I apologize.
My intention is to repair a Mark Levinson 86280-0w690 audio amplifier, inside ...
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Are these bodges equivalent to the traces they fix despite bypassing vias also connected to the traces?
Given these broken traces underneath two ICs:
For the broken traces that run pad-via-pad, is it OK to bodge on top of the pins of the ICs like this, even though this "bypasses" the vias?
I'...
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Wifi LED Smart Bulb
I'm trying to use my smart wifi bulb ESP8266 as a wireless controller for RGB LED. Currently it's a 9 W bulb works from 220 V AC.
My question is, if I disassemble the ESP8266 board from it and use it ...
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Cleaning excess solder from small through-holes on a PCB
I am trying to desolder a micro connector, and one of the through-holes where the connector legs are soldered is so small that I cannot remove the excess solder. I have tried using flux, adding new ...
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How do I de-solder cheap proto boards without pulling pads off?
The title kind of says it all. I've been buying these prototyping/breakout boards and they come with a bunch pin headers that I don't want to be there because I want to mount them in my own way. Every ...
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230V 3-Phase Power Supply for VFD and PSU Repair
I am repairing CNC electronics and need some lab equipment. I need a 3-phase, 230 V input for the power supply and VFD to debug them. Where should I look to get a supply for this? Is there something I ...
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Locating the temp sensor on motor controller
I am helping my neighbor with fixing his out of warranty EV UTV. I have narrowed it down to a faulty temp sensor.
-Controller: Curtis 1234SE 72vdc 3Ph VFD.
Fault code:15.
What would a label next to it ...
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