I found something
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I got a huawei D15 that came in for no power repair. Device charges , charging led flashedms but doesn't turn on. I found corrosion on an IC (ic name is BDJCY1...I can't find out much info about it online). I removed this ic and two pads are corroded but they can be repaired. To my knowledge inductors never short to ground (i might be wrong and please those that are more knowledgeable than me can correct me). I found few inductors short to ground when my multimeter is in beep mode ,indicating a short in the line of those inductors...but I don't know how to go about to find the shorted component... -
Hi there,
First, I'm not sure it's the right section to post for this type of device, but could not think of something better.
Ok, so my son (a mechanic) bought a faulty Hofmann Geodyna 6300 wheel balancer (which appears to be mostly a re-branded Snap-on wheel balancer).
I'm looking for any resources (doc, manuals, schematics) that would be available for this device or anyone that would have any knowledge on this particular device (or its Snap-On equivalent).
I'm trying to diagnose the fault(s ?), but I can't find any schematic (appart from the... -
Hello everyone, I had issues on my laptop acer 4752G
I'm using windows 10 until I decided to install windows 7 because of old hardware limitation, then I just found I cannot access my bios anymore. So far I already try these:
1. On system information its uefi not bios/legacy
2. Advanced restart but there's no uefi setting
3. Try to reinstall my pc using fdd but cannot enter boot selection
4. Press f2 f8 f10 only beep but straight into boot
5. Try reflash bios using fdd fn key+esc+power not success
6. Take the cmos battery off and... -
Hello. I have a lenovo that will not show any indication of life. No led, sound or anything really. So I took the motherboard out and started testing points according to the advice in this thread: https://www.badcaps.net/forum/showthread.php?t=102409
PU201 is Showing 6v
VREG3/5 show a high value (around 20v) for a split second then drop down very quickly. Hold around 1v but then continue to drop to zero. One is showing .2v.
Fuse PF1 is showing very low voltage (which according to the thread deals with docking and is expected)
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hello
today i have laptop Acer aspire V5-591 DA0ZRYMB8G0 REV: G MODEL: ZRY
the problem of this notbook is powering on but black screen, when i verifing the motherboard i found TWO electronic component not found! AS PICTURES BELOW please help
,thanks ADVANCED....
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