Hi, I need bios for :
HP model 22-A140XT
Serial: 6CN6150F3G
PRODUCT NUMBER: N1N09AAR#ABA
the problem is no display with all voltages ok...
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Common Parts Library - Datasheets
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Citronic AC-1USB Output Too Loud
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-
Today, 06:30 AM
-
Hello,
im actually trying to save a d1500 delay from yamaha. I found the service manual but schematic is missing and BOM list is a bit unclear as components listed have no reference linked to the pcbs... In my case, one zener diode was broken (114 code on the pcb in attached file) and couldn't be repaired : it was a zener type package. In the BOM list i found 3 reference on this board : 1S555 (can be replaced by 1N4148), RD4.7EB2 (approx 5v rectifier), RD7.5EB3 (approx 7v rectifier)...
Actually the cathode goes to VCC of sram M5M5118P, without this diode missing, i have...04-24-2024, 09:01 AM -
Hello everyone
i need bios LENOVO LEGION Y470S-15IMH
SN:MP1TC9JM
Code board :GLY5U LA-J931P REV 1.0
Problem no display.
this my bios no display๐
thanks for help ๐...Today, 06:05 AM -
Hey all,
I've got an ASUS laptop (Asus X409DL Rev 2.0) that had a little liquid spill on it however the majority was on the daughter board for the I/O stuff which is connected over a ribbon cable which I have disconnected for now. A small bit of liquid did however get onto what schematics and boardview show is a DC step down IC; a Realtek RT8249CQGW - markings: 2N=. There is no short on the main power rail as I have 19v with the charger plugged in however I have no other power, standby or always on rails anywhere on the board. Looking at the datasheet for this IC I want to sanity...Today, 05:49 AM -
Hello,
I have an HP 14-dq0055dx laptop here that came in for boot looping. It was previously taken to another shop and they tried flashing a BIOS firmware to the chip, so I cannot take an original dump. For a second or two, a message will come up on the screen that says:
This loop will go on for as long as you like. I let it run for about 12 hours and came in the following morning and it's still looping.
Motherboard model number: DA0PAMB46A1 REV: A
Secondary motherboard model number: 0PAB
SKU: 685K4UA
Attached is the latest...Yesterday, 09:11 AM -
Hi,
First I am french sorry for my english.
I bought this LG OLED 65C6V sold because when we press the power button I can hear the click of power board relay, the red light blinks one time then returns red.
The seller said he try to replaces the 3 cards (power + motherboard + t-con) but still the same issue (but the cards were not buyed at then same seller).
I test power suply in standalone (bridges between 3v5 and PWR_ON, 3v5 and DRV_ON, 3.5V and 12v_ON and I have all stable voltages (3v5, 12VM, 24VS, 12V t-con, 24V t-con.
So I...Today, 01:17 AM -
Hello everyone,
This is my first post after browsing this wonderful treasure trove of knowledge for many, many evenings. I've decided to learn how to fix these things, properly.
My patient is an A2338 Macbook Pro M1 (late 2020).
It had some corrosion around JT710 and JT700 caused by liquid spill, as well as against the protective barrier around the USB-C chips UF000 and UF100. So I took the main board out and cleaned it with a toothbrush and alcohol, then with alcohol in an ultrasonic cleaner. Cleaned the touchbar flex connectors as well. The board looks...04-22-2024, 06:45 AM -
can anyone help me remove panasonic CF-LV8SDDZTF
model CF-LV8SDDZTF
serial 2HKCC48561
borad number DHLB1434ZC/X1
โ...Yesterday, 06:02 PM -
hi all, got this macbook with dead trackpad. after some investigation i found that fuse is bwlown. it's marked with a K on it. anyone kjnow it's value ? it is a 0402 package.
another problem is: i tried another trackpad that was working fine, but the feedback sensor was not. all volts are present, but the click mechanism isnt .Yesterday, 10:48 AM -
Hello,
I got my hands on a 2e hand 360 s6 vacuuming robot i wish to repair.
Unfortunately, a common (and mine) problem is that the radar, used for navigation is not working.
a second unfortunate thing is these problems seem to have many different causes, from dirty lens, to stuck hairs so it can't move, to broken down radar module to a faulty PWM (mosfet?).
the issue I am dealing with is what I believe to be a faulty PWM.
I have come to this conclusion as this seems to be an issue that others have dealt with also, but I have not found anyone...04-29-2024, 05:32 PM
-
can anyone help me remove panasonic CF-LV8SDDZTF
model CF-LV8SDDZTF
serial 2HKCC48561
borad number DHLB1434ZC/X1
โ...Yesterday, 06:02 PM -
Hi, I need bios for :
HP model 22-A140XT
Serial: 6CN6150F3G
PRODUCT NUMBER: N1N09AAR#ABA
the problem is no display with all voltages ok...Today, 06:30 AM -
Hello everyone
i need bios LENOVO LEGION Y470S-15IMH
SN:MP1TC9JM
Code board :GLY5U LA-J931P REV 1.0
Problem no display.
this my bios no display๐
thanks for help ๐...Today, 06:05 AM -
Hey all,
I've got an ASUS laptop (Asus X409DL Rev 2.0) that had a little liquid spill on it however the majority was on the daughter board for the I/O stuff which is connected over a ribbon cable which I have disconnected for now. A small bit of liquid did however get onto what schematics and boardview show is a DC step down IC; a Realtek RT8249CQGW - markings: 2N=. There is no short on the main power rail as I have 19v with the charger plugged in however I have no other power, standby or always on rails anywhere on the board. Looking at the datasheet for this IC I want to sanity...Today, 05:49 AM -
Hi everyone,
I'm hoping to get some help finding a suitable replacement for the MOSFET EMF30N02J. I'm currently using this component in B450 AORUS M motherboard
Any information or advice would be greatly appreciated!
Thanks, [Issam Seb]
โToday, 04:26 AM -
Hi,
First I am french sorry for my english.
I bought this LG OLED 65C6V sold because when we press the power button I can hear the click of power board relay, the red light blinks one time then returns red.
The seller said he try to replaces the 3 cards (power + motherboard + t-con) but still the same issue (but the cards were not buyed at then same seller).
I test power suply in standalone (bridges between 3v5 and PWR_ON, 3v5 and DRV_ON, 3.5V and 12v_ON and I have all stable voltages (3v5, 12VM, 24VS, 12V t-con, 24V t-con.
So I...Today, 01:17 AM -
Hi,
i've got for repair Lenovo L340-15IRH fg541/fg741 nm-c362 rev 1.0, laptop have instant short 20v 0.20amp draw, lv5083a goes to 100degree, i've removed 1 shorted cap next to the IC and short still remain, from look of it short comes from legs 16-25, i can't find what this IC i believe is 3/5V regulator?
First mosfets normal 20v Source and drain and Gate 25v...Yesterday, 11:43 AM -
Hello,
I've been working on this laptop for a few hours and I am stumped. Still learning this kind of troubleshooting. Hoping someone can help.
[U][B]Computer Information:[/B][/U]
Model: Lenovo IdeaPad Gaming 3 15ARH7
Motherboard model: NM-E211 Rev: 1.0
Schematic, Boardview, & FlexBV Free - Attached
[U][B]Problem:[/B][/U]
The computer does not charge the battery or power on also does not power on with power adapter only. Battery have no charge on it at all (reading mV on battery charge). When connecting the power adapter...04-29-2024, 01:27 PM -
Looking to up my game a little bit, but these programmers seem a bit daunting.
Trying to get a device for EMMC repair, and it's very difficult to lookup all the words to find if I'm on the right track lol.
Trying to reprogram EMMC on Sony/Hisense mainly but would like to hit a few other brands.
My question is would either of these work? And is there a specific card reader I need for TV emmc? There is like 10-40 additional pieces that I can get but not sure what I actually need for my application only.
I may do eeprom as well. Can someone point...04-21-2024, 08:18 AM -
Hello,
Does anyone have the schematics for the backlight circuitry for the M15R5 Ryzen edition?
mainboard model: LA-K453Pโ
Your help is very much appreciatedYesterday, 07:59 PM