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2 September 2017

How to Solve Ringer Fault in any Mobile Phone

This chapter explains Mobile Phone Ringer Problem and Solution – How to Solve Ringer 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 Ringer in a Mobile Cell Phone?
Ringer is any type of electronic component or part that rings or plays loud sound. It is also called by several other names like – I.H.F Speaker, Buzzer, and Melody etc.
Types of Faults or Problems in Mobile Phone Ringer

There can be several types of faults or problems in the ringer of a mobile cell phone:
Mobile Phone Ringer
  • Ringer not working.
  • Less sound from the Ringer.
  • Sound coming from Ringer but with interruption.
  • Sound not clear.
Mobile Phone Ringer Problem and Solution – How to Solve Ringer Fault in any Mobile Cell Phone
  1. Check ringer settings in mobile phone. Check Ringer Volume and Silent Mode. Adjust or change volume and / or mode if required.
  2. If the problem is not solved then open the mobile phone and clean ringer point and ringer connector.
  3. If the problem is not solved then check ringer by keeping the multimeter in buzzer mode. Value must be 8 ~ 10 Ohm. If the Value is not between 8~10 Ohm then change the Ringer.
  4. If the problem is not solved then check track of ringer section. Do jumper wherever required.
  5. If the problem is not solved then check Ringer IC. Heat or change the IC if required.
  6. If the problem is not solved then heat, reball or change UEM / Logic IC.
  7. If the problem is still not solved then heat, reball or change the CPU.
NOTES:
  • If there is less sound from the Ringer then change the Ringer.
  • If the problem is not solved then heat or change the Ringer IC.

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