Questions tagged [damage]
The damage tag has no usage guidance.
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Accidentally connected a GPS antenna to a cellular connector and a cellular antenna to a GPS port. What can go wrong? [closed]
I have two ultra small/sub-miniature coaxial connectors on my circuit board - one for a cellular (4G) antenna and one for a GPS antenna. I accidentally connected the cellular antenna to the GPS ...
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"recommended that CLK begin toggling within 150 ms ... to ensure long-term reliability of the device" -- why?
In Intel's Pentium Processor Family Developer Manual, regarding the CPU clock, it says that "it is recommended that CLK begin toggling within 150 ms after VCC reaches its proper operating level. This ...
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Can capacitors be damaged by a DMM in continuity mode?
Some multimeters have a pretty high open circuit voltage in continuity test mode and resistance mode (possibly to improve SNR?), but they are current limited. For example, the Fluke 87V behave like an ...
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Does this (seemingly) corrosion create problems for the operating of the chip?
We have a PCB of a VME machine of ours and it has some kind of white corrosion on it. Does this impact the functionality of the machine and what could it exactly be?
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How could this capacitor have been damaged?
During testing, a capacitor was found to cause an intermittent failure - going short circuit when heated.
The capacitor style is a through hole, radial lead, CECC rated 68nF MLCC. Our supplier makes ...
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Can WD40 be used to mitigate water damage on electronics?
I've heard the advice that WD40 is designed to repel water, and hence, it can supposedly be used to mitigate water damage in electronics. Such as for a device that was submerged, instead of simply ...
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How can you damage DMM if you haven't discharged a capacitor?
Hi, I measured capacitance on some capacitors using my UNI-T 139S True RMS Multimeter without discharging them first. To be clear, I don't even know if they were charged because they are mounted on ...
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Is this Bad Capacitor repairable on this power supply?
A capacitor blew on my B-Tron 16-8-1 power supply.
When I removed the cover and unseated and reseated the fuse. The power supply began to function again. BUT the power it was giving to each channel ...
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LM2776 gets damaged after some time
It is almost the reference design from the DS. The only differences are those quite large inductances I had to add to remove the noise.
The neg voltage is used to power RR OPamps feeding the ADC the ...
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Mains AC Reverse Polarity - Has this damaged my fridge/freezer PCB? [closed]
In the UK, I had a smart meter installed a few weeks ago. My 4 year old Panasonic fridge/freezer (NR-B53VW2-WB) was working fine before the electric meter switch. After the install, after the engineer ...
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Can a solar inverter be damaged if installed capacity is much larger than demand?
I had a dispute with my fellow. In his opinion, a power inverter can be damaged if the load is much lower (e.g 100W) than installed capacity (e.g. 10kW) of the solar system.
I am of the opinion that ...
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How to generate heat using a battery and a wire
If i connect the positive and the negative terminal of the battery with a wire, the wire will turn red and generate heat.This creates a short circuit.This can damage or explode the battery?Is there ...
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Arduino died when grounds got disconnected
Alright bear with me since English is not my first language and it's my first time posting here.
So I was using my Arduino Nano (not genuine) to drive a single phase full bridge rectifier. The ...
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Why are there air(?) bubbles within my LCD? [closed]
Photos: https://photos.app.goo.gl/BvqLVYkMBB7RjaMU7 (Nexus 9 Android tablet)
My daughter's tablet is enclosed in a full-body case, so it's fairly well protected. Still, somehow, at some point I ...
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Is this resistor leaking? If so, is it a concern?
I found this resistor on the control board of an old Whirlpool washing machine:
Is that fluid leaking from the resistor? Why would that happen? Could it be something like stray epoxy or a chemical ...
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