GW40V60DF IGBT Shorted

GW40V60DF IGBT Shorted

One of my regular customers brought this welding machine for repair. I have not seen this kind before but like I said before, they are all the same and do the same job.

welding machine repair boxer

It is a dead welding machine and as always I check, the cable, power plug, power switch and of course capacitors. Read More

Play Station 4 Shutting Down Repaired

playstation 4 repair

A friend of mine brought a play station for repair and the main issue was it was shutting down after a use of five minutes and sometimes it does not start. This guy brought the same play station about one year ago and I did some cleaning on it and it was working fine till now.

playstation 4 repair

I tried to power it on but and it did for a few seconds then it went into shut down. For such fault, either the main chip is getting hot due a short in it or the thermal paste on that chip it dry and it is not releasing heat the way it should be or it could be just dust and dirt inside the machine. Read More

Shorted FETs In Hoverboard Repaired

Shorted FETs In Hoverboard Repaired

A boy and his father walked into my shop holding a hovering board. It was clear to me that was something wrong because I saw the kid a little bit sad. I asked the kid what was going on he said, the hovering board was not charging. We are talking about 12 year old kid that was actually trying to fix his own hovering board. The kid explained that he tried to change the battery inside but nothing changed. It was dead.

This is how it works, power up the charger and it should give you a green light and if you test that charger output, you should get 42 voltages there. When inserting the power plug into the hovering board, the charger light should change from green to red which is an indicator that it was charging. In my case, it was showing green but when I insert the plug into the hovering board, I could hear ticking noise coming out of the charging indication a short on the main board. Read More