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A Device Logic Board may also be referred to as a Main Board or Motherboard.
Logic board solutions are generally considered when all other repair options have been exhausted. The logic board, otherwise known as a mainboard or motherboard, is the primary component of any electronic device. It controls and is connected to all the peripheral components, ie. screen, speakers, charging port, battery, jacks, everything. When one or more of the connected components fail we most often replace the problematic components, problem solved. However, if we find the issue persists with replacement parts, this raises a red flag that there may be other underlying issues.
Identifying a solution is of far greater importance than discovering the cause. When a device comes in for repair and its identified that the issue is with the logic board, we normally look at the symptoms to narrow down the source of the problem and determine the solution.
Internal components, or parts we cannot see from the exterior, cannot normally be identified as being a source of an issue without running some diagnostics. For this reason, we cannot be sure that the logic board is in fact causing issues until the device has had an internal diagnostic inspection.
Some common issues with a logic board failures can be suspected through its symptoms, but not 100% confirmed without digging deeper. For example, an iPhone that doesn't respond to touch may have a defective or damaged screen assembly or the issue could be with the integrated circuit component on the logic board that processes the capacitive touch. The latter can sometimes be identified when a foreign grey bar appears at the top of the display screen.
We repair all logic board issues in-house using the latest in industrial and high-performance tools and equipment. Whether your device logic board requires micro soldering, trace restoration, re-balling or component replacement, we are your resource for getting the job done right.
If your device has been damaged by exposure to liquid , you can be sure that the liquid has managed to get to the logic board. In these cases, the resulting corrosion will cause damage to the circuits on the logic board and can even inhibit some from working or the device may not work at all. In some cases, the components on the logic board have become damaged and require further repair as a result.
The main logic board of all devices is (in many ways) like the human brain.
This is a simple analogy of what happens when human body parts, and device components, fail.
We are only dead, technically, when all brain activity ceases. Our hearts may have stopped beating, or we may have lost limbs due to accidents or other unpleasant situations. As long as the brain has activity, hearts and limbs can be transplanted/replaced, and we can still move forward with our lives.
Once brain activity stops, all transplants or body replacements are futile. We are “dead”.
The main logic board in devices is essentially an electronic iteration of a brain.
A screen or a power button or any other component in a phone, laptop, gaming console, wearable, etc all send signals or request (technically called “IRQs”) to the brain or the Main Logic Board or MotherBoard. The brain understands the context of the requests and appropriately responds to the signal originating from the component (ie, screen or power button). These components, upon receiving the response from the main logic board, will, in turn, demonstrate a behaviour or create a response, viz. display an image, or power on or off the device, etc.
Replacing a screen or a power button is a successful transplant or replacement so long as the brain (or the logic board in the device) is alive. When the logic board is dead or damaged, parts or component replacement is futile.
Mainboards for all devices (except some desktop computers) are not available to us to purchase as a new part. For many laptops used mainboards may be available from individual sellers such as, on eBay, but with Tablets and especially smartphones there simply is no way to procure a new replacement mainboard once it fails.
In smartphones, the mainboard is hard-coded with an IMEI and calibrated as per FCC/CRTC regulations and only the manufacturer of the device can do this. Thus there is no supply (either new or used) for
When your devices mainboard fails the only way to procure one is to purchase another working device (which obviously makes repairing a smartphone with a failed or failing mainboard cost prohibitive.)
"But what about my data?" You may ask. "I'll pay any price to replace the mainboard and get my data back!" Unfortunately, the mainboard in a smartphone is where the data is stored. So once failed (or failing) data recovery and/or extraction is precluded. Yes, out of luck. No Data.
Mainboards failing after damage or after component replacement is rare -- though not unheard of.
After a device is damaged -- especially physical damage such as a drop, exposure to liquid, or having the frame and in turn the mainboard bent -- it is possible that there is internal damage to the logic board that is not seen until a device is re-assembled or even some time later. A screen that is replaced on a device that has internal mainboard damage may work well at first but over time, issues can begin to crop up such as lines showing up, screen going black, device overheating, experiencing charging problems (to name just a few).
We do undertake best efforts to effect a full repair solution for your damaged devices and in most situations (95%+) the mainboard is in good condition and the repair is successful. However in those (less than 5% of the time) situations where the mainboard has experienced damage that is exhibited by one of the behaviours described above (but not limited to) and we have tried installing a replacement part (example a screen) and the problem persists - the only possible culprit is the mainboard. In these rare situations, our technicians will deem the mainboard to have failed (even if only partially) and the device to be unrepairable.
In situations where we have replaced a part previously and some time later the device begins to exhibit mainboard symptoms - we will not be able to provide any warranty for the repair (although we may on a case by case basis determines that a refund is available for the installed part -- less our diagnostics fee -- providing it is still in a condition which is acceptable for return - in the expert opinion and sole discretion of our technicians).
The TechKnow Space will not be held liable in any way for the perceived value of the device nor will we provide any compensation for loss of use or time it takes to visit us one or more times in the cases where we deem a device to have a failed mainboard.
Standard memory sticks with USB Type-A plug are the most common type of portable memory. They come in different sizes and styles and have a very small and convenient package. Internally, the components are all connected to the small logic board, including the Memory chip, USB controller, jack and sometimes an LED indicator light. Read about our USB memory Data recovery if your important data is stuck inside and you need to get it out.
Memory chips, which are normally NAND type storage memory ICs, have a minimum typical life expectancy of 5 to 8 years. It has several I/O points which all connect to the motherboard in order to power the chip and transfer data. Unless the NAND chip is physically damaged there is a possibility to revive the device without replacing the NAND chip entirely. On some less expensive USB sticks, the NAND chip is encased in an epoxy, making it nearly impossible to replace. Memory corruption can also occur, causing the chip to behave strangely. Sometimes the information
USB controller IC talks to the device its plugged into, telling it what kind of device it is and how to handle it. USB controllers are the intermediary which all USB communication is transferred through. The standard universal serial bus, or USB, connection method is found in nearly all digital devices.
The jack is simply the standardized plug that plugs into your computer, TV, or other devices. We are seeing an increase of different plugs, such as
LED indicator lights are not really a functional component. The sole purpose is just to let the user visually know that it is on and sometimes it blinks to tell you its reading or writing data. If the LED indicator light burns out it can be replaced, but not crucial. On the other hand, if the LED indicator light is not working and the device its plugged into doesn't recognize it, this could be an indication that something else is happening. No light? No power? Then there is obviously more to it than just the light.
Essentially, since all components are hardwired to the logic board all issues that cannot be resolved by re-formatting the memory is solved by addressing the physical problem on the logic board.
Possibly some of the more robust and advanced logic boards can be found in modern gaming consoles. There is a ton of high-tech proprietary engineered features packed into the current generation of gaming systems.
Error codes are a great advantage in diagnosing a problem. When the Xbox 360 shows a red ring of death (RROD) or the PlayStation 3 has a yellow light of death (YLOD), there will be a problem booting the system. It is not an indication of what is going wrong, but that there is a general failure and as a failsafe it will not boot. When a console does not boot there will be no display on screen and thus no identifiable error code. This feature of a light pattern indicator informing the user that there is a general problem has been carried over to the current gen consoles with Xbox one's orange light of death (OLOD) and PlayStation 4's blue light of death (BLOD). Don't let the use of the word "death" scare you, it can be resurrected, it just needs to see a technician to address the internal issues.
The logic board on phones is typically referred to as the motherboard.
We repair motherboards for the following phone brands:
Select your Brand for All Other Repairs
|Phone Brand||Logic Board Service Price||Service Time|
|iPod Touch||24-48 Hours|
Different iPhone models exhibit similar symptoms as a result of failure of a logic board component.
A summary of such iPhone problems requiring board level repair include:
You have encountered a Logic Board problem when experiencing the following issues:
-Brightness won't increase
Black Screen Repair
-Turns on but No Display
Not Charging Repair
-Charging Circuit Failure
-Power Management Repair
Touch IC Repair (iPhone 6 Plus)
-Grey Bar of Death
Cameras Not Working Repair
-No Photo Preview
-Camera not activating
-Blue Screen Of Death
Broken Connectors Repair
-LCD / Touchscreen Connector
-Missing / Broken Pins
iPhone Won't Restore Repair
-Data Recovery (Damaged Mainboard)
iPhone Touch Disease or Touch IC disease as it is so-called is a failure of on the mainboard of the iPhone (affecting iPhone 6 Plus models especially) that causes a degradation and eventual failure of the iPhone's touchscreen response.
Essentially you will find that over time as you attempt to interact with the iPhone's touchscreen it will become more and more difficult to activate the controls and eventually nothing will happen when you touch or swipe.
Some are calling this problem (which Apple has acknowledged exists) a defect. However, Apple's website indicates that the failure is a result of repeated drops, knocks and/or other stresses experienced by the iPhone. They are neither covering failure under warranty nor repairing the damage -- leaving affected users to their own devices to find a solution from a third party repair shop.
The cause of the problem consists of the failure of 2 integrated circuits on the iPhone mainboard - namely the U2402 & U2401 chips which require replacement in order to provide a solution.
A distorted grey band may show intermittently at the top of the display.
This distinctive grey band is usually a tell-tale sign that your iPhone is suffering from the mainboard surface-mounted component failure known as Touch Disease, Touch IC Disease or Touch IC Failure.
When your iPhone mainboard is damaged, you haven't synced your iPhone's data with iCloud, AND you consider that data to be vital business information or irreplaceable nostalgic photos and videos (for example) -- you may not yet be completely out of luck!
There is more than one approach to go about recovering data from a damaged iPhone.
1. The iPhone doesn't work but powers on to the point where when interfaced with a computer and software data recovery
2. Repairing the mainboard damage sufficiently to allow access to the iPhones memory and using a host computer and data recovery software.
2. Removing the onboard storage integrated circuits and recovering data from the onboard flash storage using a specialized iPhone flash IC host.
Bring your damaged iPhone
An iPhone that doesn't turn on after damage to the mainboard as a result of an impact, liquid exposure, heat etc. is not necessarily bricked forever.
Depending on the circumstances that led to the damage there may be a short circuit, an open circuit that should otherwise be closed, or a
Extensive testing using microscopes and infrared heat sensors to specifically identify the damage, and subsequently repairing circuits or replacing components with micro-soldering and
The entire process of repairing an iPhone that has mainboard damage preventing it from powering on can take several days.
The iPhone Blue Screen (Of Death) is a situation where during normal operation of the iPhone or when interacting with certain apps it suddenly goes to
Typically, there are 3 common possible causes of the dreaded Blue Screen on an iPhone.
Having determined (preferably by a competent repair technician) that the cause is not either of the 1st two mentioned, you will need an iPhone mainboard repair.
The most common question asked by iPhone users finding themselves in this situation is "Can I get my iPhone working again AND save the data?"
When the cause of the 4013 Error (Cannot Restore iPhone) is mainboard failure there is no way to restore functionality while also saving the data on the iPhone.
The NAND chip (integrated circuit or IC) requires reprogramming which will - while restoring functionality - will also restore your environment to factory defaults, with no data.
If we find that a logic board issue has a cost-effective repair solution, we can attempt to perform the approved repair. Generally, we need anywhere from 1 to 10 days to complete the repair, depending on the complexity.
For liquid-damaged devices, we do undertake cleaning of the logic board upon customer request. If the logic board can be reliably cleaned and we think the device can potentially be saved, we proceed to provide an estimate for repair. No warranties are offered for repairs on a liquid-damaged device. Please read our comments on the subject before bringing the device in.
We do not have access to new logic boards from the original manufacturers since we are not the authorized service centre for any vendors/brands/OEMs.
We do not carry any logic boards in our inventory, yet would be willing to source used/refurbished logic boards in the open marketplace (ie. eBay, Kijiji, etc on the internet) upon user request and after obtaining a deposit in advance. Sourcing logic boards can take from 2 to 4 weeks and can cost from $300 to $800 (including parts and labour). Also, we do not warranty these used/refurbished logic boards, since these are sourced from anonymous third-party sellers.
However, if you'd like to provide us with your own logic board, we would be happy to replace it, only charging you for our repair labour charge. Again, we cannot warranty the outcome of this, since we cannot warranty a part that we have not sourced ourselves.
Bottom Line: Unless the logic board can be repaired, we advise against replacing them. If replacing is necessary, we suggest that you contact the manufacturer of the computer/laptop.
Laptops come in a variety of sizes with different interfaces and performance ability. Since the first portable computer, The Osborne 1, released in 1981, there has been an enormous amount of development, adding new features and accessibility to the world of mobile workstations.
Although laptops have come a long way from their first models (which weighed 23 pounds), the primary electronic components function exactly the same. All computers require a central processing unit (CPU), memory, graphics processing, power source, a display and a method to interface with it (ie. mouse and keyboard). Modern laptops typically have all these components mounted together into one convenient portable unit. Just like any other electronic equipment, if one of the major components don't function properly then the entire system will experience problems.
In order to pack all the state-of-the-art features into one unit, circuit boards have become increasingly more condensed. Utilizing smaller components, integrated circuits and multilayered circuit boards, which sandwich additional copper layers between layers of insulating material, all sorts of newer technology can be crammed into something we can carry in one hand. After more than 30 years, these portable computers still use a central circuit board which connects all the major components and interface devices. We call this circuit board a logic board (or less commonly known as
When an internal problem arises, however, it is far less convenient to access the logic board than it is to carry around. Most issues with laptops require a teardown of the many tightly packed components, logic board repairs demand complete disassembly.
Check our Data Recovery Solutions page for laptops when getting your laptop running again is secondary to recovering the lost data. If you're guilty of not backing up your important personal data and your old laptop is ready for the scrap heap, then it is abundantly clear that you need to restore your lost data before losing it forever. At the
We have logic board solutions for all laptop makes and models, including the following brands: