Hey guys, I acquired a r9 290 used recently it was pretty cheap, turns out this was why.. anyway
I have been trying to fix it myself but have come to a dead end and was wondering if there was anyone that might help me out a bit or push me in the right direction.
This is what I've managed to find out myself, I will attach an image of the PCB from the web cause I dont have a camera that can capture all the little detail.
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Ok, this is whats wrong with it, the two little capacitors in the small red rectangle got blown up, now it would be easy enough to replace them but there is another problem.
The right and left side ( - and +, I have marked the polarity of the board), are making contact.And the problem goes beyond the two capacitor contact points.
The board seems to be split in tho halves, the upper one( green rectangle) is having the same problem every component seems to be shorted, meanwhile the lower side of the board( orange rectangle) is not shorted.
And it goes even further, some of the capacitors ( blue purple black rectangles) are shorted too, not split in half like the voltage regulators but only a few of them on the upper side of the board.
Now, I have cleaned up the burned area as best as I could even peeled back the copper coating on the pcb ( there are 2 of them separated by a coat of something non inductive) and made sure the problem wasn't there.
I also separated the voltage regulator above the burned capacitors from the pcb a little and made sure its 4 contact points on the bottom are not making contact with the pcb but they are still shorted.
Now my guess would be that the regulator above the capacitors got fried too.. would explain alot.
I was hoping that there is someone that has some experience with this that could tell me what I should try to do next.
Will probably started removing components one by one a check them on their own, taking the ones I can solder back first.
Then If they are all working fine I guess Ill be taking off the suspicions voltage regulator, what are the chances of the card working in a low power handicapped mode with that one regulator missing? Since there is no way I can replace that.
Also just to mention it, I have contacted sapphire and repair shops and they all told me it is not worth my time and way too costly to try and repair it.
Thank you.
I have been trying to fix it myself but have come to a dead end and was wondering if there was anyone that might help me out a bit or push me in the right direction.
This is what I've managed to find out myself, I will attach an image of the PCB from the web cause I dont have a camera that can capture all the little detail.
Ok, this is whats wrong with it, the two little capacitors in the small red rectangle got blown up, now it would be easy enough to replace them but there is another problem.
The right and left side ( - and +, I have marked the polarity of the board), are making contact.And the problem goes beyond the two capacitor contact points.
The board seems to be split in tho halves, the upper one( green rectangle) is having the same problem every component seems to be shorted, meanwhile the lower side of the board( orange rectangle) is not shorted.
And it goes even further, some of the capacitors ( blue purple black rectangles) are shorted too, not split in half like the voltage regulators but only a few of them on the upper side of the board.
Now, I have cleaned up the burned area as best as I could even peeled back the copper coating on the pcb ( there are 2 of them separated by a coat of something non inductive) and made sure the problem wasn't there.
I also separated the voltage regulator above the burned capacitors from the pcb a little and made sure its 4 contact points on the bottom are not making contact with the pcb but they are still shorted.
Now my guess would be that the regulator above the capacitors got fried too.. would explain alot.
I was hoping that there is someone that has some experience with this that could tell me what I should try to do next.
Will probably started removing components one by one a check them on their own, taking the ones I can solder back first.
Then If they are all working fine I guess Ill be taking off the suspicions voltage regulator, what are the chances of the card working in a low power handicapped mode with that one regulator missing? Since there is no way I can replace that.
Also just to mention it, I have contacted sapphire and repair shops and they all told me it is not worth my time and way too costly to try and repair it.
Thank you.