Device: LAPTOP Brand: DELL
Model: PRECISION 7560
Board: GDB55 LA-K621P
REV: 1.0(A00)
Request: BOARDVIEW and/or SCHEMATIC...
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Site announcements, capacitor-related news, and anything relavant you might think of... Got News? POST IT!!
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Common Parts Library - Datasheets
Share or download datasheets or application notes for electronic components and other parts. Contribute your knowledge or ask questions. Before using please read our Terms of Service.
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ncp81208 datasheet
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General Capacitor Questions & Issues
Questions and answers for identifying whether your device has bad capacitors. Also post general capacitor-related questions and issues here.
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General Computer & Tech Discussion
Have just a general computer question, post it here. This can be anything from an OS issue, hardware issue not related to capacitors, upgrade question, or whatever basic tech-related issue is on your mind.... This is also a good place to share your tech projects!
Topics: 4,494
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| Troubleshooting Hardware & Devices and Electronics Theory | ||||||
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General Electronics Technical Discussion
If you have a general question concerning basic electronics theory or component function & usage, here's where it goes.
Topics: 3,966
Posts: 44,295
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Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals
Technical discussions covering any type of desktop motherboard, video/graphics card, controller card, or whatever other desktop peripheral you need help with. Any and all brands and models welcome. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
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Troubleshooting & Designing Networks
Post your computer network questions, ideas, gripes, and so on in here. This can be any type of network, whether its cabled, wireless, or whatever. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 500
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Troubleshooting Laptops, Tablets, and Mobile Devices
Technical discussions covering any type of laptop, notebook, netbook, tablet, or smartphone. Any and all brands and models welcome. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
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Last Post:
Dell Latitude 5520 Bios Password unlock
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Troubleshooting Computer Displays
Technical discussions covering any type of PC/computer display, whether it be CRT, LCD, or anything else. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 5,319
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Last Post:
Asus VG278 mosfet identification ?
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Troubleshooting TVs and Video Sources
Technical questions about your defective television, projection screen, LCD/plasma, or any other type of video device. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 27,437
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Last Post:
EMMC programmer questions
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Troubleshooting Power Supplies and Power Supply Design
Technical discussion for power supplies. This covers PC supplies, and any other related power supply issue. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 4,178
Posts: 65,209
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4,178 | 65,209 |
by r2digital
Today, 04:14 PM
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Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices
Technical questions about your defective laser or ink printer, plotter, copier, scanner, and other imaging & printing devices. This section also includes digital cameras. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 301
Posts: 1,665
Last Post:
Epson l3110 dump
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Troubleshooting Audio Equipment
Technical discussion on audio equipment troubleshooting and installation. This can be anything from a home/car stereo, guitar amp, and so on. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 2,317
Posts: 27,426
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Troubleshooting Appliances and other Household Electronic Stuff
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Topics: 221
Posts: 3,895
Last Post:
Saeco SG200E Coffee Machine
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221 | 3,895 |
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Troubleshooting Game Consoles & Other Weird Devices
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Topics: 999
Posts: 10,864
Last Post:
PS4 pro BLOD broken component
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Equipment Usage, Soldering, Techniques, and Reviews
Technical discussions concerning soldering techniques, usage of test equipment, how it works, what's best, and some pointers in using it all.
Topics: 1,376
Posts: 19,379
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1,376 | 19,379 |
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-
Today, 08:50 PM
-
PLEASE BROTHERS I NEED DUMP BIOS
SN
SVT511059
MAINBOARD :CP562910-Z3...Today, 05:53 AM -
have been looking at earth leakage clamp meters and its like a minefield out there . i wondered if anyone here had bought one that actually works properly ?...04-17-2024, 01:31 PM
-
my g513rc was doing a windows update and it had a bios update in it, the system rebooted, was doing something rebooted again, and hasnt functioned properly since..
ive researched reparing my bios, i have a ch341a black with 1.8v adapter, ive made 4 seperate dumps at different times for redundancy...
i have a feeling my bios is corrupted and preventing my system from booting..
does anyone have a g513rc bios dump i can test ???
or is anyone willing to help me out in another section with fixing my dumps ??Yesterday, 11:48 AM -
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 everyone, I got a TCL 75S421 with no backlight. I swapped out the LEDs and still getting nothing. I checked a few readings, see pictures below. Can anyone point me in the next testing area or what to look at next?...04-21-2024, 09:20 PM
-
Hi Ladies & Gents,
I am currently playing with and old Hikvision DVR for which I do not have the password. Is anyone able to help with the password on this or able to provide a bios flash image without a password?
I would be interested in learning how to find where the password is stored in the bin file so that i know how to do this sort of thing for myself.
DVR Details are:
HIKVISION DS-7204HQHI-SH
DS-80197 Rev 1.0
Serial Number: 556775917
Bin file from the bios chip (Winbond 25Q128FVSG) attached....Today, 04:41 PM -
I have a klipsch kda-500 that would turn on and allow me to get into the web management but it was picking up a lot of noise from audio sources so i decided to replace the smd caps on the power supply along with radial one. Some one was in here before me and they basically burned the bottom side of the traces off for the radial cap but i was able to repair it without any real problem. I thought i did a good job sourcing out replacement caps but apparently not and now i can't get the power supply to turn on it just constantly try's to keep turning on. Attached is a picture of the power supply before...04-18-2024, 03:50 PM
-
Hi,
BIOS update bricked my laptop - after restart the was a prompt to Proceed with ROM flash or Abort. None of 2 options worked - upon restart the same prompt shown.
I downloaded [[I]BIOS update[/I]].exe file from Lenovo Support > extracted [[I]firmware descriptor[/I]].fd file > renamed it to [[I]correct crisis file name[/I]].bin.
With crisis file on USB drive the Proceed with ROM option launches recovery - after displaying the current and the new BIOS version, the process terminated immediately with validation error:
[I]Not allow flash....Today, 03:43 PM -
Received a M16 GU603HE-211.ZM16 SN: M8NRKD03147131E that the owner tried to flash the bios himself. Laptop will not do anything. I've uploaded the bin file from the bios chip.
Any help would be appreciated....Today, 03:19 PM
-
I have a ThinkPad T460p that keeps restarting instead of shutting down. The culprit is the LAN: if it is disabled in the BIOS, the problem is solved. I have already replaced the LAN chip (WGI219LM) twice, done CleanME, flashed another BIOS. Unfortunately all without success. What else can I check?Today, 12:26 PM
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Please help sir, I included a schematic of the T490 nm-b901 completely dead, after I checked, I lost the voltage -PWRSHUTDOWN 0v which should have been 3.3v, which was produced by the BD4179MWV chip, thank you
F9502 20v
UTE1B
pin 44 TE_BAT_VOLT 12v
oin 43 3SW_OFF# 19.8v
pin 45 VREGIN20 19.8v
pin 47 VCC3SW 3.3v
pin 55 SHUTDOWNIN# 3.3v
pin 54 TH_DTCT 3.3v
-PWRSHUTDOWN missing 0v resistance 380k
R9512 pin 2 3.3v pin 1 0v resistance 380k
[url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-el...Today, 08:25 AM -
Hi, I'm asking for help identifying the component.. the markings on the smd are totally destroyed and boardview didn't help me much.. I didn't find the schematic ....Thanks!Today, 04:39 AM
-
Received a M16 GU603HE-211.ZM16 SN: M8NRKD03147131E that the owner tried to flash the bios himself. Laptop will not do anything. I've uploaded the bin file from the bios chip.
Any help would be appreciated....Today, 03:19 PM -
Device: LAPTOP Brand: DELL
Model: PRECISION 7560
Board: GDB55 LA-K621P
REV: 1.0(A00)
Request: BOARDVIEW and/or SCHEMATIC...Today, 08:50 PM -
Everything works as it should except that it is too dark screen image and the backlight is blue is it normal with bleu backlight ?
What Can I Do To Get Brighter Image...Yesterday, 06:42 PM -
Hi all,
I'm facing a issue... hope you could help me. I have a T-CON board BN41-02112A from Samsung 55inch Curve TV.
I have just only 2 status blue LEDs ON since LED3 is off. I have tried to test some test points but VON is NOT OK very close to 0V. Is there someone that can help me on the debugging the issue? I'm supplying the board from an external 12V voltage source.
Thank you in advance.
BR,
Michele
[ATTACH=JSON]{"data-align":"none","data-size":"full","data-attachmentid":3259938}[/ATTACH]...04-25-2024, 12:37 PM -
my g513rc was doing a windows update and it had a bios update in it, the system rebooted, was doing something rebooted again, and hasnt functioned properly since..
ive researched reparing my bios, i have a ch341a black with 1.8v adapter, ive made 4 seperate dumps at different times for redundancy...
i have a feeling my bios is corrupted and preventing my system from booting..
does anyone have a g513rc bios dump i can test ???
or is anyone willing to help me out in another section with fixing my dumps ??Yesterday, 11:48 AM -
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 -
PLEASE BROTHERS I NEED DUMP BIOS
SNSVT511059
MAINBOARD :CP562910-Z3...Today, 05:53 AM