Help to identify burned capacitor on mainboard

Question

2011年末 MacBook Pro 13" 一体化机

20 个问题查看全部 | 52配件购买

Stokholm @stokholm34100

声誉积分: 23

2

发帖于: 2013年8月27日

更多选项

Help to identify burned capacitor on mainboard

Hello

Looking at my father-in-Laws MacBook Pro unibody A1278 unibody. He accidently spilled cofee onto the keyboard.

The computer seems to run just fine now 1 month later, however the backlit on the keyboard is gone and many keys on the keyboard are not working correctly.

It is a 820-2936b board.

On the mainboard a single capacitor is burned, can you help me to identify it please:

I managed to find this picture showing the capacitor in your guides, but cannot read the text:

已回答！ 显示答案我也有这个问题

这是一个好问题吗？

是否

得分 1

1条评论

Stokholm - That component is a SMD Capacitor not an IC.

由 DanJ 完成的 2013年8月27日

添加一条评论

1个答案

已选择的解决方案

oldturkey03 @oldturkey03

声誉积分: 837.1千

1.3千

942

2.4千

发帖于: 2013年8月27日

更多选项

Stokholm, that is reference designator C6603 and is a 100UF 20% 6.3V TANT capacitor. The case is a A L1 and something like this or on here should work. the capacitor is not part of your keyboard backlight, but of the Speaker Amp circuit. Hope this helps, good luck.

这个答案有帮助吗？

是否

得分 1

6条评论:

Thank you very much for the detailed answer.

I will get the keyboard and capacitor replaced, thanks to you it is possible to install the correct one.

由 Stokholm 完成的 2013年8月27日

Can I use a size B (3528) with the same specs instead of the size A (3216) - there is enough space on the board.

由 Stokholm 完成的 2013年8月28日

It might be possible, but make sure that the cap will meet the solder pads on the board. If it does, you can most certainly use it. Thank you for accepting my answer and best of luck to you.

由 oldturkey03 完成的 2013年8月28日

I received a new keyboard and backlight, it all work very well now. I haven't replaced the cap yet, as I am still waiting for it to be delivered. Can it be dangerous to use it with the burned cap?

由 Stokholm 完成的 2013年9月10日

Since it is already burned out your circuit already has failed, so that is no longer a danger. I would however replace it as soon as you can:-)

由 oldturkey03 完成的 2013年9月10日

显示更多的1条评论

添加一条评论

Thank you very much for the detailed answer.

I will get the keyboard and capacitor replaced, thanks to you it is possible to install the correct one. — Stokholm
Can I use a size B (3528) with the same specs instead of the size A (3216) - there is enough space on the board. — Stokholm
It might be possible, but make sure that the cap will meet the solder pads on the board. If it does, you can most certainly use it. Thank you for accepting my answer and best of luck to you. — oldturkey03
I received a new keyboard and backlight, it all work very well now. I haven't replaced the cap yet, as I am still waiting for it to be delivered. Can it be dangerous to use it with the burned cap? — Stokholm
Since it is already burned out your circuit already has failed, so that is no longer a danger. I would however replace it as soon as you can:-) — oldturkey03

2011年末 MacBook Pro 13" 一体化机

Help to identify burned capacitor on mainboard

1个答案

添加你的答案