Would you miss the phone call or upset that you can't listen to music? And all of these is because your iPhone 6 speaker has no sound. Now, vip pro shop team shared a solution.
Trouble
Phenomenon
When you receive a call or play music,
there is no sound on the iPhone 6 Plus.
Repair
Ideas
1. Check the current and voltage between
the iPhone tail plug and audio
2. Replace the iPhone audio IC.
3. Check the line from audio to iPhone CPU
to see if it is normal
Repair
Process
1. Use JM-9102
Disassemble Tools to
replace the iPhone rear shell assembly, and then test it, the fault still
exists.
2. Use Fluke 15B+
multimeter to measure the resistance value from tail
plug socket to small audio, all is normal.
3. Remove the small audio and then measure
the line from small audio to iPhone A8 CPU. After measuring the diode data of
SPKAMP_RESET_L, we found its data showed infinity, it may be caused by the
disconnection or CPU virtual welding. In this step, WUXINJIschematic diagram will help you a lot.
4. After communicating with the customer
and stating the risk, we can start to pry the iPhone CPU by S1018 CPU remove tool and use QUICK
861DW rework station to solder the jump wire.
Finally, install the iPhone CPU, and test the speaker function, now you can hear the ringing and songs. The repairs end!
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