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モデル番号A1706/EMC 3017ー2016年11月発売。この13インチのMac Book ProはOLED Touch Bar搭載です。デュアルコア"Skylake" Intel Core i5 CPUと4つのThunderbolt 3ポートが特徴です。

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Need help to identify missing components on motherboard of 13" A1706

mac book pro 13" A1706. my friend gave it to repair shop for automatic restart issue. but he ruined it returned with no display at all. fan spin is there. but no display no lights. i opened and took out the motherboard. inspected it and found that some components are missing. attaching images of the motherboard. i will really appreciate the help if someone can help what i can do to fix it.. kindly identify the missing components and tell the part numbers. also i would be very thankful if someone could email me the schematics and board view so i can play around.

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Picture 1 is of components on one of the hall effect sensors (there are 2 in this model); these are not listed in the schematic so you will need a donor board to transfer them across (think these are different to the older models). Best to desolder the whole block remaining (raised bit of the board) and for the one on the opposite side too; having one working sensor and one with missing components may be causing the MacBook to think it is asleep.

Picture 2 is U5850 (TMP461 chip) and C5850 (0.1UF 10% 6.3V 0201 capacitor), for the thermal sensor. Looks like the pads have been ripped off for the chip, so you will have to solder wires, and may have difficulty securing the chip. I have an 820-00164 with the TBT thermal sense chip ripped off too, and the fan spins but it doesn't chime, so this can prevent boot.

You may have trouble finding some of the chips on these boards, I'm struggling to get hold of a few FDMF5808A's for a customer with this model...

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i would really appreciate if you could email me board view file

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You can find the schematic and board view online, just Google the board number 820-00239. I don't distribute them :)

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thank you for giving chip details. i tried to buy board view but seems like my bad luck is going on. paypal is not working for me. money is getting deducted and refunded back in bank account. but website not getting it.. trying since last three days

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This is where I get my schematics from... http://laptopserviz.bg

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Comparing the tear down images, I do not see anything missing. See the original board image here:

https://d3nevzfk7ii3be.cloudfront.net/ig...

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@mayer - take a second look ;-) There is a small transistor missing.

Hint remember what Evan told us...

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@danj no I don't remember, maybe I'm getting old and can't see well anymore. I did ask Kevin to list a couple of microscopes in the tools section.

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Don’t feel bad I needed my glasses and a magnifier:-}

I’ll email you tonight with what he said.

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I think those are No Stuff pads. Yes, that's what a certain company that we must not mention calls them in the schematics. Unfortunately without schematics for this machine, finding what any of those are is going to be heard unless we can find a donor board.

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@tcrs_circuit - Tim, Did you see the small black transistor at the three pads location in the IFIXIT post. It’s missing in the OP’s image. The two on the left I think are test points. It’s a bit odd to have a raised board like this.

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there is a small cap on the left side of transistor. i think it has to do something with usb type c ports. if you see the opposite side ( toward other side of usb ports) there is a same small raised board.. its hard to figure out what does it do without bard view and schematics

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Here’s a clear image of the second components location at the bottom right

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And here is one for the first which is at the top left:

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Clearly this system had some trauma. Did it get wet?

As the system is so new I don’t know of anyone having board layouts yet to even ID the parts.

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it did not get wet. but someone ripped off those components while opening.

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Why was the logic board taken out?

At this point I see no out here. Time for a new system :-{

An expensive lesson for someone.

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Please i need 820-00239-a brd view and schematics

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Hello, I know this is an old post.

Does anyone with more knowledge of the logic board know which chip, or capacitor provides power to the touchbar? One on the logic board, not the one on the touch bar flex cable.

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desh raj さん、ありがとうございました！
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