repair

Induction cooktop's IGBT and a N531 gate driver both got short circuit. Getting the N531 driver is not possible here and buying from outside of my country is currently no easy. As I see, many many cooktop uses transistor based driver. That is why I am also thing to use similar one. I got a...

Korg microKorg E.2.1 Error - No Sound, Output Thumps, Service Tests Fail Work Done So Far Power supply recap: Most electrolytic capacitors replaced with equivalents, A lot were out of spec. Power rails now measure stable (no voltage drops noted at any ic's) Service mode testing: Mode 1+3...

Hello, I have DC92-02139A inverter board that I took of my washing machine. and I am trying to repair it. Washer shows 3C2 error (Driving part stop(motor overcurrent error)). The motor tries to spin in service mode, but it's only like continuous twitching a little bit. I tried to change some...

Hi, We were hit by thunder few month ago and many devices go fried. I repaired some of them. Our sound card M-audio Fast track Pro is one of the destroyed item. When opened I noticed these two burnt resistor. Any idea which value they have ? I found an image of that pcb there and it seems...

** Please forgive me if this is not the proper forum for my question ** I am looking for repair assistance or parts availability information regarding my Harman Kardon Onyx Studio 3 portable speaker. Its internal Li-ion battery became depleted. I replaced it, the speaker now operates but it...

Hi guys, I am trying to repair my TV's power board. A few days ago the bottom half of the TV went dim. It is a Samsung edgelit TV and the bottom half of both led strips are not working. The led strips are fine and the problem is somewhere on the power board. I have traced the circuits for...

Hello everyone, i have a roidmi eve plus with non spinning LDS(The sensor on top). The board you see is on the sensor assembly. I measure 5v coming to the board, and 2,3v on the pwm pin. The mosfet on the top left corner measures 2,3v on the gate and when i turn the vacuum on i have continuity...

I have this unknown display (TFT8K9645FPC-A1-E) in some of our products. It's a 3.5" hvga touch LCD with 50 pin FPC, used in EMax2 circuit breaker. Many of these displays are showing burn marks or stripes and I need to replace these problematic displays. But I cannot source these exact ones from...

This module use in Misubishi Fr-F840-11k VFD. Help me to find this module data .

I am trying to replace the rechargeable Sanyo ML2430-HZ1 batteries (x4) in a sailing computer, as per this tutorial - https://www.instructables.com/Tack-Tick-RaceMaster-Battery-Replacement-33/ As I understand it, the ML2430 (at least the Sanyo one) stopped being produced in 2020, so I need an...

Hi everyone. Im looking to repair a curcuit i have. It will no longer work if the device gets cold. If it is heated up, it will start to work again. Very strange. I want to replace an IC on the PCB of the device. I need a replacement , but can not find out what would be an equivalent for the...

Hello please help Im a DIY notive i have some basic knowledge but struggling to identify whats causing resistor to keep burning on my eltax A-8 subwoofer amp circuit board. Reason it blew was I played music to high and burning started coming from subwoofer. I've replaced the speaker but now its...

I have a 24V DC motor, but it does not work. I would like to find out which of the elements is most likely to be damaged and how to do it. From what I understand, the engine has a Hall sensor to set its position, but I don't know about the rest

I want to save a dehumidifier (Swan SH3021) from being thrown out but it doesn't seem to collect water. It turns on, fan turns on, and compressor seems to turn on. But, looking at the wattage meter it draws 41W when fan is on, then every minute and a half, it'll jump to around 1180W for 15...

I am trying to repair an AC-DC switching power supply with my basic knowledge of electronics. (220 v AC to 34v and 12v DC) The problem seems to be the MOSFFET (10N60c), It shorts and then the fuse, a capacitor and some resistors blew. It seems like I would be able to fix it, but the SMD...

Hey all :) I'm brand new here. I have a Pioneer XDJ-XZ player and someone was nice enough to spill a drink on it a few weeks back. I've taken it completely apart to dry/clean/check. There was a few spots of corrosion that I cleaned up, mainly on the LCD's PCB board. I have a new LCD ready to...

Recently, i was playing game on my laptop and my original adapter rated 180w was connected as usual, suddenly I stopped working in between gaming, i first thought of it as faulty power cable or extension maybe damaged, but it was the adapter itself when I check voltage with the multimeter, it...

Our AirFryer HD9650/90 was complately dead. The problem was R100 - R101 (3W 33Ohm) and Viper06L on the power supply unit.

Hello everyone, I was sitting in front of my computer when suddenly my monitor (LG 49WL95C-W) turned off. I opened it and started troubleshooting. It looks like the power supply is the problem because if you connect it to power, the 3.15A fuse blows immediately. I live in Germany and therefore...

Hi, I have been repairing circuit boards for a few years and a plumber friend has come to me in the hope I can fix a few of the faulty boiler boards he has laying around. He tends to send them to ewaste but I'm sure they're easily fixed. I've searched Google and a few forums but can't seem...