Mobile Cell Phone Earpiece / Ear Speaker Problem and Solution – How to Solve Light or LED Fault in any Mobile Cell Phone

This chapter explains Mobile Phone Earpiece or Speaker Problem and Solution – 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 Earpiece or Speaker in a Mobile Cell Phone?

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

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

Mobile Phone Speaker

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

Mobile Phone Earpiece or Speaker Problem and Solution – How to Solve Earpiece or Speaker Fault in any Mobile Cell Phone

1. Check Speaker Volume during Phone Call.
2. If speaker volume is OK the Check Earpiece / Speaker by Keeping the Multimeter in Buzzer Mode. Value must be 25~35 Ohm. If the Value is not between 25~35 Ohm then change the Earpiece / Speaker.
3. If the problem is not solved then Check Circuit Track of Earpiece Section. Do Jumper Wherever required.
4. If the problem is not solved then Heat, Reball of Change the UEM / Audio IC.
5. If the problem is still not solved then Heat, Reball or Change the CPU.

Note:

• If there is less sound or sound is not clear during phone call then change the speaker.