All Questions
18
questions
0
votes
1
answer
151
views
How badly did I damage board with first time soldering to remove component? [closed]
First time soldering. Is this thing unusable or might it still work?
- 1
27
votes
8
answers
4k
views
Stopping electric arcs between layers in PCB - big PCB burn
Firstly, let me preface this with the fact that I am not interested in chastising the user, and I am not interested in looking at the original source of the arc (it was a tool accidentally breaching ...
- 1,209
1
vote
1
answer
180
views
AMD 5600x microprocessor substrate damage
I hope this question lies within the guidelines.
I have acquired this AMD 5600x microprocessor for a very low price. It was dropped on the corner (see picture) where we can see some delamination.
The ...
- 450
0
votes
0
answers
179
views
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. ...
2
votes
1
answer
730
views
SMD SOT-25 identify component
Can I ask for help in identifying the following SMD component? Package is SOT-25. Marking is bPCGD .
Probably is voltage detector but I dont know his parameters. It is a component of mainboard IP ...
- 21
0
votes
0
answers
76
views
Repair pads on PCB
I've accidentally used too much force on the board while trying to remove a flex connector and so I've removed a lot of PCB pads as well (see image).
I have a new flex connector, but I do not have ...
1
vote
0
answers
280
views
Can I bypass a trace from the diode to the solder point with wire?
I'm working on the button/power motherboard of an X-Box one's controller - the menu (start) button doesn't work.
I think there might be damage to the trace when I followed the trace to the solder ...
- 11
0
votes
1
answer
173
views
Repair MRAM that's been exposed to a magnetic field
Is there any way to repair MRAM that has been exposed to a magnetic field?
I've got a bit stuck (3rd bit) on my MRAM. Probably due to exposure to a magnetic field.
Is there any way to fix this short ...
0
votes
0
answers
81
views
Requesting help identifying potential damaged resistor on PCB
The picture is a motor control board which recently failed. The digital console indicates some problem communicating with the motor. Inconsistent power supply and moisture MAY have played a factor. ...
- 133
0
votes
0
answers
832
views
How to clean circuit damaged by bleach?
I was trying to remove stains on a fiber optic party tie using bleach, however it seems a small quantity has leaked inside the controller overnight, causing some corrosion and preventing it from ...
- 225
16
votes
5
answers
8k
views
How to solder this pin
A customer that has bought this device years ago somehow managed to fry this IC and he tried to replace it himself.
That did not work out though and he messed up the track for good. He sent it to us ...
- 285
1
vote
1
answer
397
views
Hard drive won't power on, is this the reason why? [closed]
I have a somewhat old, but functional (used to be, actually) hard drive, model Samsung HD103SJ, which I use for backup purposes. This means this is not a fixed unit.
Since a few weeks ago when I ...
- 129
3
votes
3
answers
502
views
Damaged Solder Joint?
So I bought a SEGA CD off ebay and everything was fine until I decided that the duct tape that was holding the battery is was a poor substitute for a battery holder.
So I took my Model 1 apart begun ...
- 33
0
votes
1
answer
2k
views
Does this look like burn damage [closed]
I had my plumber change the PCB of my boiler last year. Last week it stopped working and I tried to troubleshoot the problem. The circuit board just doesn't show any sign of life, the ON LED doesn't ...
- 101
0
votes
1
answer
2k
views
Diagnosing potential damage to garden solar light
I'm just getting started with electronics and so for a simple project I tried to desolder the LED from a garden solar light in order to attach a female header (I trimmed it to 2 pins). My intention ...
- 121