Hello, I have a question about electricity. Suppose I'm well insulated from ground and neutral, and the live wire of mains comes in touch with a wound in my finger, will this potential interfere with body voltages, hearth for example, or it will only go to its circuit return path ?
Thanks!
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by matk05-23-2024, 02:12 PM
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by sam_sam_samI need to order some because my parts bin is getting very low on this value
Thanks to anyone that can help
Dig key is out of stock and so is Mouser Electronics is also out of stock as well
I found some from a eBay seller that shows the box that 3000 of them are boxed in I think I should be alright buying them from this seller-
Channel: General Capacitor Questions & Issues
Today, 07:22 PM -
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by sewsulleGood afternoon,
I'd appreciate help diagnosing my A2442 that's only taking 5v and 0a
This was my personal laptop and I had closed it at the end of a class and opened it in the next class when it just didn't wake up from sleep (The battery was charged). I connected a charger later that night and it booted right up but touch ID stopped working. The next day it did the same thing but never turned back on when I plugged in a charger.
I though the touch ID issue was weird but I'm not sure if that info helps.
When this happened months ago I tried to diagnose...05-22-2024, 07:56 PM -
by Luke11037Hello everyone,
I have an ASUS Vivobook 14 OLED M3401QA which is not posting. Currently when plugged into power/turned on the power indicator will illuminate and the battery indicator will flash white roughly once every 3 seconds. Leading up to this it would sometimes turn on and then other times not turn on, furthermore it also showed a screen saying "new cpu installed, fTPM/PSP NV corrupted or fTPM/PSP NV structure changed" and then a screen telling me to recover the bios however it is no longer even posting at this stage.
The diagnostics steps I have attempted...05-25-2024, 02:34 PM -
Looking for a schematic for this amp to help solve no output problem.
Power input ok no shorts, signal tracing for me is why I could do with a schematic.
thanks in advance...-
Channel: Troubleshooting Audio Equipment
05-25-2024, 02:31 PM -
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by jackxhello brother
i need equivalent [I]MOSFET 4C09B[/I]hello brother
i need equivalent [I]MOSFET 4C09B[/I]hello brother
i need equivalent [I]MOSFET 4C09B[/I]Today, 03:41 PM -
by sam_sam_samI have gotten so tired of battery cells leaking and it happen to this device and it is not very old I had bought these battery packs from The Electronic Goldmine for $1.00 a pack when they had a sale and I am putting 3 packs to good use so I do have to deal with leaking battery cells I am over it
I bought the label maker at Sam Club a while back for $29.99 it come with 4 cartridges and they had them on sale again for $29.99 again so I bought another one because I was not sure if I was going to able to get it to work on the battery cells that I had planned on using for this particular...Yesterday, 10:44 AM -
by monitronI am struggling with a Clevo NL51RU linux laptop that does not boot because of a corrupt main bios.
I did not succeed to build a new bios. Maybe somebody has more experience with this laptop and can build a working bios for me or has a working dump.
Clevo NL51RU
ser: NKNL51RU0001D00318
Many thanks!...-
Channel: BIOS Requests ONLY!
Today, 11:02 AM -
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by max7ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0
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Channel: BIOS Requests ONLY!
Today, 03:40 PM -
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by sam_sam_samI need to order some because my parts bin is getting very low on this value
Thanks to anyone that can help
Dig key is out of stock and so is Mouser Electronics is also out of stock as well
I found some from a eBay seller that shows the box that 3000 of them are boxed in I think I should be alright buying them from this seller-
Channel: General Capacitor Questions & Issues
Today, 07:22 PM -
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by jackxhello brother
i need equivalent [I]MOSFET 4C09B[/I]hello brother
i need equivalent [I]MOSFET 4C09B[/I]hello brother
i need equivalent [I]MOSFET 4C09B[/I]Today, 03:41 PM -
by max7ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0ined bios [I]HP ENVY 17[/I]-[I]CG GPI70 LA[/I]-[I]J501P[/I] rev 2.0
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Channel: BIOS Requests ONLY!
Today, 03:40 PM -
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it doesn't have any problem, but the bios programmer won't let me read this chip (it reads on the 'winbound 74M12JWSIG' capsule marked on the MoBo as UC2, it's 128mb , the programmer is XGCU T48 (TL866-3G) version 00.01.31
I try to use the auto detect and it doesn't work, I manually search for the chip and it is not supported, does anyone have an idea, I am doing regular bacups of the machines that pass through my hands, in case I need it in the future as well as being able to help here in the forum [ATTACH=JSON]{"data-align":"none","data-size":"small","data-attachmentid":3279110}[/ATTACH]...Today, 02:53 PM -
by s_henyaHi guys,
Anyone ever worked on this board before?
Few issues im trying to resolve:
1. Laptop will not power up without main battery connected (missing 3.3v line)- measuring on the 3.3v coil i can see 0v but for split second it jumps to 3.3v and drops again.
Is this laptop supposed to power on only with battery connected?
2. Battery voltage + line is getting 19v, for my experience 7.4v battery isn't meant to be charged with main line voltage- is this normal?
3. No display on laptop screen, if i disconnect the LVDC cable and connects...Today, 02:50 PM -
by JxxKHello
I am repairing the A2780 (M2Pro 16").
There is no schematics and board view of A2708 yet, so I am referring 820-02100 (A2485).
Stuck 5.2V, 0.02A
'PP3V8_AON' short on diode mode and no voltage.
'PP3V8_AON_MPMU' short on diode mode.
'PPBUS_AON' looks fine. 12.3V
'PPVIN_P3V8AON' looks fine(not short on diode mode), 12.3V
I tried to remove the U5700, Q5800, Q5820, Q5840 and PP3V8 aond still stuck.
It seems to be a problem in the process of moving from 'PPBUS_AON' to 'PP3V8_AON'.
Even if I check with thermal...Today, 06:50 AM -
by lordrussellHey Gurus
Kinda as the title says, some dufus managed to drop a password in said bios & I'm running around in circles to clear it. FWIW, I've included the 8MB - 64MB & Asus' support site bios-zzzz. Seeing as I'm not a code guy in the slightest, I could sure use the help.
I thank all you MENSA Society members upfront for your help in my silliness.
Asus GL502V (but the board has GL502VMK silk screened on it, ssssoooo...?)[model numbger bellow the scan=tag = GL502VM-BI7N10 {insert my confused face}
S# - H3N0CV014552093...-
Channel: BIOS Requests ONLY!
Today, 10:19 AM -
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by Dan the DogI need to find a replacement for this diode on one of the six gate drivers of a full-bridge IGBT inverter for a servo motor. It has S3 on the package. How can I find out for sure the right diode that I need. I believe it is schottky because it has 0.2V drop across.
The anode is on pin Ve and cathode on pin DESAT on 316J gate driver IC. Also would be nice if anyone had an idea of the purpose it is serving as it is not included in the suggested schematic of the 316J datasheet.
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"image.png","data-attachmentid":3278447}[/ATTACH]...Yesterday, 09:45 AM -
by pc_okayHello guys,
I can't find any shematic for this board and i have a mofset (i think) completly burn.
I can't read the marking. :'(
Can someone help me please with photos attached?
Thanks !3 PhotosToday, 09:12 AM