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Chip level repairing

I want to learn how to repair motherboards on component level finding it deffcult to how do i get into it now i did repairing 20 years ago the coponents have changed printed circutes

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It's virtually impossible to repair motherboards nowadays. Even if you could identify the component, they are typically proprietary and impossible to remove without sophisticated, extraordinarily expensive equipment. Even manufacturers don't repair them. You can usually buy a new one for under $100. It just ain't worth the effort.

Suggest you learn how to fix TV sets, stereos, and other consumer electronics. At least someone will pay you to do it if you're any good at all.

Posted on Dec 27, 2008


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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1 Answer

LG TV turns on but screen is blank, only sound is there

The days of real techies who can make actual repairs is long gone. Nowadays, they simply find out the board that is responsible for the problem and they replace the entire board. And often those boards can be pretty expensive. U have any idea of just how much labor is involved in checking those boards out? And how do you remove and replace a 20 leg IC chip? Vey few discrete components today and too many all encompassing chips!

Often if you know the part number U can get the part on the cheap on ebay, either new , or used.

Aug 19, 2015 | LG Televison & Video

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My compaq nc6000 laptop when i turn it on the fan fan turns for some secong after that it shuts dawn also it had bo ant display whta can i do?

Hi tadzfuture


This sounds like Graphics Chip failure or Motherboard Power Management Fault. However some other potential, less serious causes of the symptoms you describe must be eliminated first.

First, remove the battery, then connect the laptop, in a battery-less condition, directly to the mains electricity and power it up to test the boot process again. If no image appears but the computer seems to boot normally and the Hard Drive activity light flashes, there might be a faulty or failing:

LCD Panel Power Inverter (LCD Screens only)
Cold Cathode Backlight (LCD Screens only)
LCD or LED Panel

All these items are testable and replaceable. To be certain, send the image from the laptop to an external desktop monitor of LCD TV by pressing and holding the Fn key and then pressing the Function Key with the image of 2 monitors on it (often the F4, F5, F6 or F7 key).

If no illuminated LEDs are visible, particularly a Hard Drive Activity LED, then the DC Jack's connection to the Motherboard might have worked loose or failed or the Motherboard's Power Management System might have failed.

If when you power on the laptop you see a Power LED but no Hard Drive activity LED and nothing on the screen, the Graphics Chip might be faulty. Faulty Graphics Chips can are indicated by a regular flashing or permanent "on" state of the Power LED at the front of the notebook when you try to power it up and can be repaired by Ball Graphics Array Reflow or BGA Reballing. These repairs have an average success rate but can be expensive and must be done by an experienced specialist with specialist equipment such as an Infra Red Workstation, an Oscilloscope and a Micro soldering Station. The fault can come back. BGA Reballing generally achieves better, longer-lasting results than BGA Reflow but can be more expensive. A reputable, specialist motherboard component level repair centre should be able to offer you a No-Fix-No-Fee Graphics Chip, Motherboard Power Management System or Loose DC Jack repair service and a 3-6 Month Re-repair or Full Refund Post Repair Same Fault Warranty. Sometimes the surface of the graphics chip is too damaged to repair.

If the Graphics Chip or Motherboard is irreparable or the cost of Graphics Chip or Motherboard Component repair seems expensive to you compared to the current market value of the laptop, then consider buying a new laptop, having any important data transferred to the new laptop, formatting the old laptop's hard drive, offering the working components (LCD Panel, Power Inverter, Hard Drive, RAM Memory Modules, Battery, AC/DC Adapter, Wireless LAN Card, Keyboard, CPU, CPU Heatsink, CMOS Battery, Lid Frame, Chassis) of the old laptop for sale on eBay or some similar website to recoup some cash. Dismantled, functioning, 2nd User Laptop Components have far more cumulative value than an assembled, non-functioning laptop, which only has low scrap, value.

Also, always use a surge protector for computer equipment, never directly to the mains.

If the battery cells are dead, you may also require a replacement battery.

I suggest you take the laptop to a repair shop for testing of the components listed above and/or a quotation for graphics chip repair.

I hope this helps.

If this Answer goes some way towards helping to resolve your Query, Problem or Fault, please take the time to Rate it. Doing so helps Solution Providers, like me, better understand the needs and the point of view of Askers, like you, and guides us in exploring the best ways to provide the most comprehensive, useful and high quality Responses and Solutions we can. If you need further help, please do not hesitate to post another Question or add a Comment to this Question.

Oct 08, 2011 | HP Compaq nc6000 Notebook

4 Answers

I have a Philips Freevents X57 Laptop which has a motherboard problem. When I switch the laptop "ON" these are the following symptoms: A) Power Charger in AC/DC Socket without battery: Power LED...

If you are definitely sure it is not the Power Supply, RAM, CPU, or GPU, then the most likely components are the capacitors or one of the chipsets. More likely one or more of the capacitors has gone bad. However, fixing capacitors, chips, or resistors on a laptop motherboard can be very difficult. I have done some repair work before but not able to do that kind of soldering on something that small.

May 23, 2011 | Philips Computers & Internet

2 Answers

Who can repair a 7"

Thank you for using FixYa

I do not know if any local repair store might be interested in trying to fix it, I doubt it. I have one that my wife uses, and our screen cracked also. The problem with those low end electronic components is that labor costs nearly prohibit fixing it compared to buying another one. We tried to take it apart ourselves and fix ours. I was able to get the screen off, but managed to chip one corner of the plastic case in the process, which I think I can glue it back on. If you are not familiar with small component repair, then it is probably not worth it since you can buy one for $89.00, used, on ebay. I did find a store online that has a replacement screen for about 20 bucks, but I am afraid trying to get it back together will be risky and I might just throw my money away. Data Modul CLAA070LC0JCT 7" Color 800 x 480 TFT (Data Modul CES13737) :
Good luck on yours.

Apr 05, 2011 | Computers & Internet

1 Answer

Chip Level Guys needed? I know of a guy who can make junk hardware alive: I gave him a toasted RAM, he tested using his multimeter and replaced a resistor, it began working. I gave him a HDD that would...

There really arn't many that help in that area. One that I found in a major book store is: "PC Repair Bench Book" by Ron Gilster ISBN 0-7645-2578-6 from Wiley Publishing. That one is a 'generic' help guide. Unfortunatly, many are out of print, but that can give you a start in searches.

Jun 05, 2010 | Intel D845GVSR Motherboard

3 Answers

My hp tx1000 turns on for 1 second and then shut off. I check the battery and its fine, I plug it straight to the outlet and its still don't work. I think it might be hardware problem or bad power supply. ...

Hi, I have a tx1000 with the same boot problem that you commented on. It stays on for a second then shuts off. It started after a failed repair I attempted to heat up the graphics chip. This worked once, but now failed. Any help or advice you could give would be appreciated.

Mar 06, 2010 | HP Pavilion tx1000z Notebook

1 Answer

Where can i get information or guideline about laptopmotherboardrepairchip level repair.. I wish to learn and get someknowledge

You are planning to get training on how to repair laptop motherboards & Chips? Check out

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You will need to enroll into an electronics school to learn how to repair electronics on a component level.

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Motherboard taken out by eMachines Bestec power supply

I have not identified the specific components on the motherboard that blow, but I can tell you the defect in the Bestec supply. The +5 VSB, which is the voltage that is on at all times, loses regulation and climbs to 8-11 volts. I believe this "higher than the required" +5V takes out the components on the motherboard involved with the computer/power supply "turn-on" circuitry. The "on" button on the eMachines front panel no longer turns the motherboard on because the "kept alive when the main power is off circuits" - which allow the on/off button to do its job of turning on the machine - no longer work.
Test your Bestec power supply by plugging it in the wall socket and have it not connected to anything. Read the voltage between the purple wire and any black wire. If you see +5.0V, then this wasn't your problem. If, like it did on mine, is closer to between 8, and 11 V, this is what took out the motherboard.

Jan 06, 2008 | Intel D845GVSR Motherboard

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