wont turn on after replacing failed battery

Question

Google Pixel

Google PixelはGoogleから発売された最初のスマートフォンで、2016年10月26日に発売されました。5インチのAMOLEDディスプレイを搭載したこのデバイスには32GBもしくは128GBのオプションがあり、ベリーシルバー(Very Silver)、クワイトブラック(Quite Black)とリアリーブルー(Really Blue)から選べます。

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Bob Griffith @bobgriffith

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投稿日: 2018年8月30日

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wont turn on after replacing failed battery

pixel phone died.

removed battery and it was at 2.8v (dead) — replaced. now at 3.8v+

broke screen during battery replacement. replaced with new screen.

Now with new, fully charged battery and new screen, it still won’t turn on.

tried holding power for 30+ secs and checking “find phone”
tried holding volume down + power
connect to charger via power meter and I see that it charges at 5V@1A but screen is blank.

The initial failure was when I was in the desert, moderately hot and running a GPS mapping app that was keeping the phone awake and active. I think that the battery drained below 3.0v and was ruined. But now I don’t understand why after replacing the battery and screen the phone is still not turning on.

When the battery completely dies, is the motherboard at risk of being damaged?

I have test equipment. Is there any material on debugging the motherboard? I see there are lots of test pads but I do not know what they are for. I see that when I connect the new battery, a test pad near the battery connector reads the battery voltage (relative to one of the ground connections to the midplane. I also removed the power, volume buttons and observed that the power button works (continuity between two pins with depressed).

Thanks for any information you might be able to shed on this issue.

—BobG

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I am experiencing the exact same issue. We’re you able to get yours resolved?

shableigh226 さんによる2020年1月6日

Same issue as well - died in the middle of Wyoming after running Google Maps for about 15 hours while driving. Phone was plugged in to car charger the whole time, so I thought maybe that killed the battery. I had cell phone repair shop confirm charge port is functional, then replaced the battery and plugged in charger for a day, but phone still seems dead. Anything I can try next? Or is there a way to get my stored files/data off the phone without repairing it?

Tessa Davis さんによる2022年7月26日

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I am experiencing the exact same issue. We’re you able to get yours resolved? — shableigh226
Same issue as well - died in the middle of Wyoming after running Google Maps for about 15 hours while driving. Phone was plugged in to car charger the whole time, so I thought maybe that killed the battery. I had cell phone repair shop confirm charge port is functional, then replaced the battery and plugged in charger for a day, but phone still seems dead. Anything I can try next? Or is there a way to get my stored files/data off the phone without repairing it? — Tessa Davis

Troy Lonie @troylonie82 評価: 13 1 · Answer 1 · 2020-01-06T18:47:43-07:00

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Troy Lonie @troylonie82

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投稿日: 2020年1月6日

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I had a similar issue (not turning on after replacing the battery) that was resolved by taking it back apart and flipping the ribbon cable. I had thought I had noted the orientation correctly but I must not have, since it worked afterwards. This doesn’t seem to hurt anything to have it backwards (since after reversing it it worked again), so you could give that a shot even if you’re confident it’s the right way round.

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