[Mobile phone repair case] iPhone X most common failure in actual repair

[Mobile phone repair case] iPhone X most common failure in actual repair

Wenzhou, referred to as "Wen" or "瓯", a prefecture-level city in Zhejiang Is a national historical and cultural city An important commercial city on the southeast coast One of the regional central cities in Zhejiang Province This city witnesses our growth Follow Iao Technology for the latest case Today I will share with you the repair case of iPhone X Failure of the machine is no sound Let's try No But there is vibration Let's click We can see it moving It's shaking From 7th generation All Apple models All use stereo speakers In other words, when you play sound or music Its earpiece and horn ring together Then this machine is the handset and speaker No sound Apple X just manages the earpiece and speaker chip All belong to the lower master In this case The possibility of false welding in the middle layer will be greater So next I will dismantle the machine first Then test I ’ll first measure the resistance to ground at the output First the bottom speaker (Resistance to ground) Yes OK 4 OK at the bottom earpiece OK No problem with the output After measurement, it found that the output resistance to ground There is no problem There may be a bus problem between the lower and upper layers Next we first layer Then look at the situation Almost ready Try it out OK quite pretty Take down it is good I'll try to clamp it first I just snap the handset I do n’t hold the horn Then we will see if there is any sound from the handset

Let's see if there is a handset Have Everyone listen to the voice There is sound That proves our judgment is correct Problems like this Apple X appear particularly Then we re-layer it again Then install and test Okay, put some welding oil first Don't put too much Just a little But there must be Then align it is good almost Press it is good almost Clip down Cool down Then install the test OK, try again sound OK Before and after Louder before Rear before I've mispoken Before and after Because it is a double-layer motherboard design Then it is easier to cause it after a fall Middle layer soldering Problems like this are encountered more often If everyone wants to learn to repair mobile phones Can come to us it is good So this video we will go here first

Source: Youtube

Md. Elias
admin@test.nygadgetfix.com
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