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- repair - Motherboard power-up issue - Electrical Engineering Stack Exchange
Which involves BGA package soldering and requires that you have a spare chip in the first place Vendors of industrial motherboards do this - e g Advantech still can and does repair motherboards for Pentium 4 processors Noone does that for ancient office-grade PC hardware
- repair - Locking ribbon-cable in place - Electrical Engineering Stack . . .
There is ribbon cable which is connected with a locking mechanism as in the picture below The brown plastic locker is not locking properly, is there a way to get another locker and lock it in plac
- corrosion - Hole in PCB due to corrosive reaction? - Electrical . . .
Now to my question: is it possible that the adhesive of the sticker in combination with the flowing electricity on the motherboard has caused a corrosive reaction, resulting in the hole?
- motherboard - Ground terminals on the laptop PCB; laptop PCB . . .
And in nearly every repair there is a multimeter used to test different components of the motherboard to see if their resistances voltages are normal I see that he puts one of the multimeter probes to one of the through-holes of the board (which are used to connect different layers of PCB, AFAIK), and the other probe is connected to the
- motherboard - Is it safe to use a soldering gun when attempting solder . . .
However, my primary question that I'd like answered is whether a soldering gun is safe using it in the manner that I have illustrated above BTW, the PCB is a laptop motherboard in which the CR 2032 battery housing has become detached from the contacts, and I must reattach it after drawing a new metal lead with a PCB pen
- repair - Soaking phone motherboard in isopropyl to fix potential . . .
2 Is it advisable safe to soak my phone motherboard in an isopropyl alcohol bath? I dismantled it after water damage occurred and it now powers on fine but my cell signal isn't consistent I was advised to soak the MOBO in a bath of isopropyl to remove any potential corrosion on the antenna board Is this sound advice? Here is the component in
- pcb - Best methods to fix broken tracks - Electrical Engineering Stack . . .
I use wire-wrap wire to fix broken tracks, or to modify boards It's very thin, and easy to solder because of the silver coating It breaks easily so some sort of glue to hold the wires in place is advisable, I just use masking tape, sometimes
- How to check for short Circuit in LDO voltage regulator
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 See also: Is asking on how to fix a faulty circuit on topic?
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