Model A1369, 1.6, 1.7, or 1.8 GHz Processor, 64, 128 or 256GB Flash Storage

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Battery not charging and green light not on

While using my mac I noticed green light on charger was not lite and sure enough battery has now run out and I cannot power on computer

I have tested charger on different computer and tried other charger on my computer and charger seems fine

I had read differ posts and thought it may have been the io board so I have installed a new board which I found quite easy thanks to the very detailed description from this site but charging or light has not been fixed

I had previously spilt a small amount of water on keyboard but turn it upside very quickly but computer did not fire up at first but I dried out in sun and placed in a bag of rice and eventually computer came good and has been working great for at least a year

I have noticed some small green corrosion marks near some connection on board Around the battery connection section of board which I have cleaned up with a fine brush after disconnecting battery

Any info would be greatly appreciated as I enjoy trying to fix things but end to get my computer going again

Thanks in advance


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I have removed logic board and from upper side or keyboard side of board it looks very clean with no sign of corrosion

However from under side I had noticed corrosion around a few components

What is best way to try and clean around components as a possible fix as it will be a shame to have to get new machine as it was working fine I just cannot charge it

I had a quote $720 for new logic. Board or on eBay $220 for a repair

Also can anyone show me where the Mos fet transistors and voltage comparator are located to see if it is one of the parts with corrosion

Thanks heaps guys



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Doesn't look good here ;-{

You'll need to completely remove the logic board to inspect the other side. I suspect the damage is there. If you're lucky a little careful cleaning might bring your system back otherwise its time for a new logic board. The problem is the MOS-FET transistors which control the charging are likely blown as well as the voltage comparator logic from sorting out due to the corrosion.

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Thanks heaps dan i really appreciate your advice I will at least enjoy the challenge of trying to fix it anyway

Thanks again


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brad will be eternally grateful.
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