This article will show you how to fix the iPhone 6 speaker is not work. As we known, one of the most important things of the smartphone is the sound. If the phone sound is not working, you can't do many things. Your phone microphone, earphone, speakers are no sound, you cannot use it at all. If you have the fault iPhone 6 speaker, follow below for advices to resolve it. We got an fault iPhone 6, the fault is iPhone 6 no sound. The sound fault is the common problem in cell phone repair. There are many chips to control the sound function, so we should find the fault source and avoid expand fault. As shown in picture 1-1. 1. We check the device and find the speaker is gray out while making a call. The microphone, earphone, speakers are no sound. So we use the exclusion method to find the fault, we remove the iPhone 6 charging flex cable and check the headphone at first, then remove the earphone flex cable to test the speaker. There are not sound after testing the flex cable, so we judged maybe the audio chip is fault. 2. The damaged U0900 big audio can directly cause the iPhone 6 microphone, earphone, speakers no sound, we know disassembly and install the large audio chip is relatively simple. The large audio chip chassis port welding is larger, and the audio chip is Large and thin, so we need carefully plant the tin, avoid excessive force to crush the iPhone audio chip. Now we resolve the U0900 fault, and check all sound, the iPhone 6 sound is normally. As shown in picture 1-2. 3. U1601 small audio water damaged phone comes out of a lot of problems, leading to large current, and there will be an automatic phone speaker. If the reset signal given by the iPhone CPU is abnormal, we can scrape and weld a jumper wire from the bottom of the chassis A6 track. 4. If the sound off and on, you can remove a small audio chip, when there is a temperature, measure the resistance value of the U1601 A6 track by digital multimeter. As shown in picture 1-3. The iPhone 6 sound fault has been resolved.
5 评论
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