Questions tagged [damage]
The damage tag has no usage guidance.
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I2C communication pin and/or device getting damaged
I have a Raspberry Pi communicating with some I2C client devices. Occasionally either the I2C client device fails or a Raspberry Pi pin (one of the I2C pins) is damaged. The only thing I can conceive ...
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What kind of component is this, and is it damaged?
My central heating controller stopped working. It's essentially an AA battery powered device with a thermistor, some buttons, and an LCD screen, which lets me program desired temperatures for various ...
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I have some salvaged PNP transistors, should they conduct forwards past a particular voltage or are they damaged?
I have salvaged two A1490 transistors from an old amplifier. Both of them, if presented with a potential difference across the collector and emitter above about 13.5 V start conducting, even if there ...
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Why does broken monitor have vertical lines [closed]
I unfortunately dropped a pointy object and it pierced a tiny area of my monitor (AOC U32E2N). I was surprised to see that the whole area of the impact (where physical damage can be seen) is ...
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What��s the likely cause of ‘buzzing’ from this hi-fi speaker? [closed]
Something has happened to one of the drivers in my speaker and it’s now ‘buzzing’. (Our cleaners could have knocked the speaker over). There’s no obvious (to me) signs of damage having examined the ...
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Is there a chance that a DC/DC controller was damaged when a bad feedback network caused its output to exceed its absolute max limit?
I'm currently debugging an issue with a DC/DC controller. The part is a LTC3833. It turns out that the engineer who was working on this accidentally pointed to incorrect part numbers for the passive ...
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Is it possible to damage a PCB by plugging an USB 5-pin header the wrong way?
I am using a Cliff CP30100 dual USB socket to easily switch between two PCBs (see wiring diagrams). On the inside, there is an USB-C to 5-pin cable for one PCB, and a Mini USB to 5-pin for the other. ...
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Which components tend to damage first of a power supply for high voltage?
Which components tend to damage first of a power supply for a voltage spike or surge?
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What is the name and function of these components?
Following are two pictures of a smartphone's main board (Moto G8 Plus). The first one is for reference; the second one is the one I got to repair a phone.
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What are the golden sheet (...
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Implications and cause for static discharge
For months, I've had a potential buildup culminating in static discharge when touching the chassis of my macbook pro at ONE location. No source could be identified (no ground leakage – I checked with ...
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Can I use an Apple charge Cube (5W power) through a Ripcord 9V to USB to feed a Roland SP 404 (2.7 W draw) Safely?
I am asking this as I want to be extra sure this setup does not damage my 404 Sampler as its an expensive item of mine and it's very dear to me so I want to be careful. Here is the scenario:
I have ...
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Expected behavior for damaged transistor
The generic question I have is what's the "expected" behavior for a damaged BJT. Let me add more color..
I was trying to fix my kid's toy where a motor would run even when it wasn't supposed ...
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What check can Ι perform to verify that a load cell is operating properly?
About five years ago I was tasked to develop the software for a small custom made testing machine (everything is custom-made from frame, to the measuring system). Last year, I was volunteered to &...
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PCBA failure - white "fluff"
I have a PCBA that seems to have failed due to poor wiring (no water damage). The screw terminals are for 230V AC input and electrical load relay.
What isn't clear to me is what exactly is the "...
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Identify and source replacement common-mode noise choke
I have a circuit where the marked inductor common-mode noise choke in the image below is damaged.
I am having massive trouble sourcing this inductor common-mode noise choke anywhere. No results on ...
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