Forum: Troubleshooting Audio Equipment
12-11-2021, 06:01 PM
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Replies: 12
Views: 914
Re: Yamaha RX A3020
Does it behave the same if you connect more load to the output? (or increasing the volume) I say this in case the problem could be due to the power stage or the audio processing area.
If you connect...
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Forum: Troubleshooting Audio Equipment
12-04-2021, 04:36 PM
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Replies: 12
Views: 914
Re: Yamaha RX A3020
I have found some devices with a similar error that was due to dirt (mostly sticky liquids) that when heated, increased the conductivity in some areas.
This might not be your case, but I don't know...
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Forum: Troubleshooting Power Supplies and Power Supply Design
12-04-2021, 04:14 PM
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Replies: 3
Views: 502
Re: Thermaltake TR2 Bronze 600w low 12v voltage
Have you thought it might have something to do with the temperature?
This won't solve the problem, but it may provide some clues. You could try heating it with a hair dryer to see if the voltage...
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Forum: General Electronics Technical Discussion
11-20-2021, 07:08 AM
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Replies: 15
Views: 884
Re: Mosfets for P600W24V Smps
The manufacturer of IC is "Wu Xi China Resources Huajing".
It seems to be hard to find on the internet. Source:
http://www.ecadata.de/herst/myshowlogo.php?F_SPRACHE=2
Can you measure the size...
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Forum: Troubleshooting Power Supplies and Power Supply Design
11-20-2021, 06:14 AM
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Replies: 6
Views: 789
Re: Xilence 1200W. Keeps restarting
After some tests the power supply stopped working definitely. I checked the board again and noticed that 3 resistors were broken (R62, R74, R25), so I replaced them with 4.7 Ohm resistors (I didn't...
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Forum: Troubleshooting Power Supplies and Power Supply Design
11-14-2021, 06:09 AM
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Replies: 6
Views: 789
Re: Xilence 1200W. Keeps restarting
I have tested the PSU using a motherboard and it still does the same...
Yes, it looks like it has SMD power resistors. I don't know their value because the "001" code doesn't seem to follow...
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Forum: Troubleshooting Power Supplies and Power Supply Design
11-07-2021, 08:37 AM
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Replies: 7
Views: 1,113
Re: Corsair TX-750 problem with finding component
No, I have no idea... It seems to be a 1/2W resistor with a 1% tolerance. It may be used for current measurement. The value is impossible to read. It looks something like "green - brown - ? - ? -...
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Forum: Troubleshooting Power Supplies and Power Supply Design
11-01-2021, 11:35 AM
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Replies: 6
Views: 789
Re: Xilence 1200W. Keeps restarting
Thanks for replying!
There are 3 capacitors around the circuit and all of them are 35V. The values are 10uF, 40uF, 220uF. I have checked them with a multimeter and they are all ok but I have...
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Forum: Troubleshooting Power Supplies and Power Supply Design
10-30-2021, 03:34 AM
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Replies: 6
Views: 789
Xilence 1200W. Keeps restarting
I have repaired a few PC PSUs before, but the problem has always been a broken Mosfet and blown capacitors fails. Now I am facing a PSU problem that I haven't seen before.
I have a Xilence 1200...
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Forum: Announcements & Related News
10-10-2021, 02:57 PM
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Replies: 29,751
Views: 2,758,766
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