Hi,
I need a bit of help. I have a Macbook pro end 2011 8.2. I bought it of a customer cheap because it has a bulged battery. I replaced the battery and upgraded the ram 2x8GB total 16GB, and replaced the HDD with a SSD. What happens with this laptop is very strange and I don't know where to begin. The laptop doesn't panic, tha fans run normal even when the kernel is 100%. If I reset the SMS, will run normal for about 30 to 1 hour then the kernel_task goes to 95% and the laptop become unusable. If I reset the sms agail will run again normally for some time. I thought is the battery,...
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Schematics and Boardviews
Share or download schematics and boardview files. Contribute your knowledge or ask questions. Before using please read our Terms of Service.
Topics: 2,124
Posts: 2,251
Last Post:
Seeking pioneer elite vsx-40 schematics
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Topics: 56
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56 | 61 |
12-10-2024, 09:24 PM
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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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Post help identifying capacitors here
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Topics: 4,549
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4,549 | 75,175 |
by sam_sam_sam
Yesterday, 08:01 PM
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| Troubleshooting Hardware & Devices and Electronics Theory | ||||||
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General Electronics Technical Discussion
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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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Topics: 518
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Netgear JGS516PE Switch Fan Replacement
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Dell Latitude 5530 bios dump??
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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!
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5,393 | 76,208 |
by gabri2211
12-10-2024, 04:37 PM
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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: 27,874
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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!
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BN44-00301a
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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!
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canon mg 5750
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Yamaha HTA-5630RDS Amplifier dead
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Topics: 279
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Troubleshooting Game Consoles & Other Weird Devices
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Topics: 1,089
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1,089 | 11,509 |
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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: 1,404
Posts: 19,785
Last Post:
Group Buy: CH341A Programmer
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| Specifications | ||||||
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Laptop, Tablet, & Notebook Specifications
Basic specifications for laptops, tablets, & notebooks. We are constantly adding new content like boardviews, schematics, fixes, and other data here.
Topics: 101,077
Posts: 101,085
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101,077 | 101,085 |
by rayDJ.
11-30-2024, 03:39 AM
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Server, iMac, & Desktop PC Specifications
Basic specifications for server, iMac, & desktop computers. We are constantly adding new content like boardviews, schematics, fixes, and other data here.
Topics: 8,712
Posts: 8,715
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8,712 | 8,715 |
by Louis Labrie
11-20-2024, 12:12 AM
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-
Today, 01:32 PM
-
I have acer c733 series chromebook with enterprise lock.
model; C733-C3UY
SN; NXH8VEB008035202137611
Board serial no; ZAK DA0ZAKMB6J0 REV J...Today, 01:14 PM -
I'm trying to locate a set of schematics for a pioneer elite vsx-40.Today, 12:29 PM
-
The set-top box has a TV silicon tuner IC MXL608, which has a programmable channel selection filter (6MHz/7MHz/8MHz), and the default value is 8MHZ, but the manufacturer sets the set-top box to 6MHZ. How can I change this value by modifying the dumped bios? I tried using UEFITool.exe, but it doesn't work. The BIOS of the TV box is different from that of the computer. I don't know how to modify it or what tool to use. I downloaded the data sheet of MXL608, which mentioned that when the value of SYMBOL is set to 2.85, BW=6MHZ. When the value of SYMBOL is 3.75, BW=8MHZ, but I can't find the corresponding...Today, 01:26 AM
-
Belongs to my son and he just says it stopped turning on. Any help greatly appreciated. Theres 240v in and fuse is ok but no power anywhere else.12-12-2024, 10:19 AM
-
Hi,
Firstly I'd like to apologize if this was posted in the wrong forum (I'm new here
)
Recently I got an ASUS M5A78L-M LX board in a scrap lot. Saw one broken cap which I've replaced. No broken traces and missing components. While soldering a new cap a bit of solder got onto components bellow SB (opposite of the two lythic caps). Didn't see it and powered the board on.
I was greeted with it not starting. Came back to it a day later and shorted the PS_ON with GND to force it on. It sprung to life but with CPU stuck in reset (it was an FX 4600 I believe). Thats when I saw the...Today, 10:48 AM -
hello, i am very new to laptop repair and generell electronics
i have a HP Spectre X360 Convertible 13 - ap0016ng
motherboard number DA0X36MBAE0 REV E
massive burned and shortet mosfets. after removing them still shortet in the i think "main power rail"
found a shorted capacitor. removed it and the short is gone.
i want to try a crazy repair which is hard because the mosfets are like welded on one side to the track. is there a method to get this loose ?
in this area another capacitor was shortet.
...12-06-2024, 04:12 AM -
Hello everyone. I can't make any changes in the bios menu, there is an admin pass. I wanted to edit with the one on the official site, but I couldn't create the 16mb ME file.
There are 2 eeproms on the motherboard.
SOP8- 16MB
SOP16 - 32MB
ST: BL1J234
SIO: DEC1515-Z2...Yesterday, 12:27 AM -
This BIOS dump came from a Samsung Galaxy Pro NP950XDB-KC3US that will NOT POST. It powers on, has keyboard backlight, fan spin, and a flashing blue LED near the USB-C port.
I don't know if anyone here can clean this BIOS dump for me. I have purchased an identical used motherboard, which will arrive next week. I should be able to get a good BIOS dump from that working board.
Samsung Galaxy Pro NP950XDB-KC3US
Serial Number 5BSK9FERC00150K
GigaDevice 25R127DSIG WFK588 AU212P
...Today, 10:19 AM -
Hello, i need help.
Do someone have Boardview or Schematic PDF for this ?
Device: Desktop Motherboard
Brand: MSI
Model: X670e Gaming Plus Wifi
Do somebody know what this component is? It is in the top right corner from backside. Maybe you can take a picture of your MB for me with component code.
thank you.Today, 08:06 AM
-
I'm trying to locate a set of schematics for a pioneer elite vsx-40.Today, 12:29 PM
-
Hi,
I would like some help on my wife's laptop Dell XPS 9343 with LA-B441P motherboard.
AC adapter is not recognized so I bought another used one and still the same !
It was of course working with the old one the bios was saying 45W adapter but now it says adapter unknown.
I don't know if the used one is also defective or it's a motherboard issue.
I have already repaired this laptop to give it to my wife (the PD102 TVS was bad).
For now what I checked :
- If i measure old adapter the center pin measure nothing...Today, 05:27 AM -
Hi,
I need a bit of help. I have a Macbook pro end 2011 8.2. I bought it of a customer cheap because it has a bulged battery. I replaced the battery and upgraded the ram 2x8GB total 16GB, and replaced the HDD with a SSD. What happens with this laptop is very strange and I don't know where to begin. The laptop doesn't panic, tha fans run normal even when the kernel is 100%. If I reset the SMS, will run normal for about 30 to 1 hour then the kernel_task goes to 95% and the laptop become unusable. If I reset the sms agail will run again normally for some time. I thought is the battery,...Today, 01:32 PM -
I have acer c733 series chromebook with enterprise lock.
model; C733-C3UY
SN; NXH8VEB008035202137611
Board serial no; ZAK DA0ZAKMB6J0 REV J...Today, 01:14 PM -
The set-top box has a TV silicon tuner IC MXL608, which has a programmable channel selection filter (6MHz/7MHz/8MHz), and the default value is 8MHZ, but the manufacturer sets the set-top box to 6MHZ. How can I change this value by modifying the dumped bios? I tried using UEFITool.exe, but it doesn't work. The BIOS of the TV box is different from that of the computer. I don't know how to modify it or what tool to use. I downloaded the data sheet of MXL608, which mentioned that when the value of SYMBOL is set to 2.85, BW=6MHZ. When the value of SYMBOL is 3.75, BW=8MHZ, but I can't find the corresponding...Today, 01:26 AM
-
Been working to unlock a zBook Fury G7 17, SER# 2TK1380178.
Has a removable MacronixMX25L256 BIOS chip. Have attempted to unlock the BIOS with multiple suggestions using a CH341A programmer.
Any help unlocking the bios password would be appreciated. Bios attached.
Thanks...Yesterday, 11:34 PM -
Hello, i need help.
Do someone have Boardview or Schematic PDF for this ?
Device: Desktop Motherboard
Brand: MSI
Model: X670e Gaming Plus Wifi
Do somebody know what this component is? It is in the top right corner from backside. Maybe you can take a picture of your MB for me with component code.
thank you.Today, 08:06 AM -
Asus X515KA-EJ058W
SN N3N0CX079477106
CN Y7NC
MFD 2022-03
Board model :X415KA rev 3.0
problem: black screen just blinking leds
original extracted bin attached....but it is corrupted
i tried a lot of different versions....sometimes i came to the bios and even windows....but after restart dead again...very strange
with some version (which seems to be not the right...the board does not react to power switch)
[ATTACH]n3527602[/ATTACH]...Yesterday, 07:02 AM -
Hi,
Firstly I'd like to apologize if this was posted in the wrong forum (I'm new here)
Recently I got an ASUS M5A78L-M LX board in a scrap lot. Saw one broken cap which I've replaced. No broken traces and missing components. While soldering a new cap a bit of solder got onto components bellow SB (opposite of the two lythic caps). Didn't see it and powered the board on.
I was greeted with it not starting. Came back to it a day later and shorted the PS_ON with GND to force it on. It sprung to life but with CPU stuck in reset (it was an FX 4600 I believe). Thats when I saw the...Today, 10:48 AM -
I am looking at an A2337 and found this for the order of power rails and what they do. Can this be confirmed before I dive into hunting down power rails that do not exist or are not neccisary?[LIST][*][B]PPBUS_G3H (12.6V-12.8V)[/B][LIST][*]This is the main power rail that supplies power to the entire system. Check this rail first, as it must be present for other power rails to work.[/LIST][*][B]PP3V42_G3H (3.42V)[/B][LIST][*]This power rail is derived from PPBUS_G3H and is used to power the SMC (System Management Controller) and other essential circuits. It should be present if PPBUS_G3H is working...12-12-2024, 05:50 PM