Mobile Cell Phone Microphone / Mic Not Working Problem and Solution – How to Solve Microphone Fault in any Mobile Cell Phone

This chapter explains Mobile Phone Microphone or Mic Problem and Solution – Mobile Phone Microphone not working and How to Solve Earpiece or Speaker Fault in any Mobile Cell Phone. These problem and solution apply to all brands and make of mobile phones including Nokia, Samsung, iPhone, China Mobile Phones, Motorola, HTC, Sony, Blackberry, Alcatel, Apple, AudioVox, Benefone, Danger, FIC, Hagenuk, Palm, Kyocera, LG, Panasonic, Huawei, ZTE, Spice, Lava, Sony Ericsson, Micromax etc.

What is Microphone or Mic in a Mobile Cell Phone?

Microphone or Mic in a mobile cell phone is an electronic component or part that helps to transmit sound during phone call. It is also called Mic. Microphone is controlled by Audio IC or Power IC (UEM).

Types of Faults or Problems with Earpiece or Speaker in any Mobile Cell Phone

  • No sound or Less Sound during phone call.
  • Sound with interruption or Changed sound.

Mobile Cell Phone Microphone / Mic Not Working Problem and Solution – How to Solve Microphone Fault in any Mobile Cell Phone

  1. Check Microphone settings.

    Mobile Phone Microphone IC Jumper

    Mobile Phone Microphone IC Jumper

  2. If all settings are OK then, Check and clean Microphone Tips and Connector.
  3. If the problem is not solved then Check Microphone by Keeping the Multimeter in Buzzer Mode. Value must be 600~1800 Ohm. If the Value is not between 600~1800 Ohm then change the Microphone. NOTE: Only one side will give value. The other side will not give any value.
  4. If the problem is not solved then Check Track of Microphone Section. Do Jumper Wherever required.
  5. If the problem is not solved then Heat or Change Microphone IC.
  6. If the problem is not solved then Heat Reball or Change the UEM / Audio IC / Power IC.
  7. If the problem is still not solved then Heat, Reball or Change CPU.

Note:

  1. If there is less sound or sound is not clear during phone call then change the Microphone.

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4 Responses to Mobile Cell Phone Microphone / Mic Not Working Problem and Solution – How to Solve Microphone Fault in any Mobile Cell Phone

  1. […] post: Mobile Cell Phone Microphone / Mic Not Working Problem and Solution – How to Solve Microphone Faul…Next post: Mobile Cell Phone Keypad Not Working Problem and Solution – How to Solve Kaypad Fault […]

  2. […] MIC Interface Section: MIC interface section is directly connected with the CPU inmost mobile phones. Working voltage (MIC Bios) (1.8 to 2.8 V) is supplied from the CPU or the Power Supply Section for functioning of the MIC and MIC Positive and Negative Volt are input through two capacitors. […]

  3. […] Mobile Cell Phone Microphone / Mic Not Working Problem and Solution – How to Solve Microphone Faul… […]

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Mobile Phone Repairing | How to Repair any Mobile Cell Phone including Nokia, Samsung, Motorola, China Mobile Phones, Sony Ericsson, LG, HTC, Apple iPhone, Blackberry, MyPhone and all other Mobile Phone. Includes Mobile Cell Phone Repairing Photos and Diagrams, Repairing and Service Tips, Tricks and Solution for Problems like – Speaker or Earpiece, Headphone, Mic or Microphone, Signal Problems like No Network, Charging Problem or Mobile Phone Not Charging, Motor or Vibrator, Ringer or Buzzer, Camera, Display, Screen, PDA, LCD, Power Button, Bluetooth, Infrared, Antina or Antenna Switch, Hand Free , Key Pad Not Working, Joy Stick Fault, Insert SIN or No SIM, Light Problem, No Power or Set Dead. Also included is How to Load Software (Flashing) to any Mobile Phone and Other Hardware and Software Problems and Solution.