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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Seeking pioneer elite vsx-40 schematics
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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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by sam_sam_sam
Yesterday, 08:01 PM
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Troubleshooting Hardware & Devices and Electronics Theory | ||||||
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4,135 | 45,669 | ||||
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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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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!
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Netgear JGS516PE Switch Fan Replacement
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Dell Latitude 5530 bios dump??
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Troubleshooting Computer Displays
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by gabri2211
12-10-2024, 04:37 PM
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Troubleshooting TVs and Video Sources
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BN44-00301a
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canon mg 5750
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Yamaha HTA-5630RDS Amplifier dead
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279 | 4,518 | ||||
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1,089 | 11,509 | ||||
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.
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Group Buy: CH341A Programmer
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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
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101,077 | 101,085 |
by rayDJ.
11-30-2024, 03:39 AM
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Badcaps Statistics
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Topics: 217,239
Posts: 1,433,056
Members: 540,224
Active Members: 22,655
Welcome to our newest member, mirise.
Latest Topics
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by smic717394Today, 01:32 PM
-
by hichamhbI have acer c733 series chromebook with enterprise lock.
model; C733-C3UY
SN; NXH8VEB008035202137611
Board serial no; ZAK DA0ZAKMB6J0 REV J...-
Channel: BIOS Requests ONLY!
Today, 01:14 PM -
-
by repair-itI'm trying to locate a set of schematics for a pioneer elite vsx-40.
-
Channel: Schematics and Boardviews
Today, 12:29 PM -
-
by jason0503The 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
-
by roadrashBelongs 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.5 Photos
-
Channel: Troubleshooting Audio Equipment
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 -
by tranquilityhello, 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 -
by VusalHello 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...-
Channel: BIOS & Schematic Requests!
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
...-
Channel: BIOS Requests ONLY!
Today, 10:19 AM -
-
by FixFoxyHello, 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.1 Photo-
Channel: Schematics and Boardviews
Today, 08:06 AM -
Tag Cloud
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Trending
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by repair-itI'm trying to locate a set of schematics for a pioneer elite vsx-40.
-
Channel: Schematics and Boardviews
Today, 12:29 PM -
-
by sauceHi,
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 -
by smic717394Hi,
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 -
by hichamhbI have acer c733 series chromebook with enterprise lock.
model; C733-C3UY
SN; NXH8VEB008035202137611
Board serial no; ZAK DA0ZAKMB6J0 REV J...-
Channel: BIOS Requests ONLY!
Today, 01:14 PM -
-
by jason0503The 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
-
by tcbucherBeen 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...-
Channel: BIOS Requests ONLY!
Yesterday, 11:34 PM -
-
by FixFoxyHello, 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.1 Photo-
Channel: Schematics and Boardviews
Today, 08:06 AM -
-
by tranquilityAsus 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]...-
Channel: BIOS Requests ONLY!
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 -
by SarcasticOPI 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