Nokia 1202 mic problem repair solved diagram help

Nokia 1202 mic problem repair.

Troubleshooting guide solution for Nokia 1202 mic problem. Problem: Mic not working, Missing mic tracks on PCB, Caller did not hear your voice. Solution: Clean mic hole on inner, Change mic, Make jumpers if missing mic tracks.

• Problem: Mic not working, missing mic tracks on PCB, caller not hearing voice.

• Solution: Clean mic hole on inner, change mic, make jumpers if missing mic tracks.

• Required Tools: Good lights, board griper, soldering paste, jumper wire, zoom lens, phone liquid cleaner, cotton, and heat gun.

• Mic is controlled with CPU and some points are shown for missing mic points.

• If the mic is new and damaged, jumpers can be made at missing points.

• Warning: While working on this trick cell phone, accidental damage or stop working may occur.

• Share: Share on social media platforms like Facebook, Twitter, or YouTube.

• About Us: Celways mobile city services for diagnosing, troubleshooting, repairing, and maintaining mobile devices.

Required Tools.

1. Good lights installed in your repair lab.
2. Board griper for heating with hot air.
3. Soldering paste and heating paste.
4. You have a good experience to read picture diagram jumper ways.
5. Good quality jumper wire. That has been insolated.
6. Heating elements and solder wire for connections.
7. Zoom lens to see some thing clear on PCB.
8. Phone liquid cleaner, Clean as the first step for carbon causes.
9. Cotton, for using liquid cleaner.
10. Heat gun, to dry with hot air after cleaning its PCB.

Nokia 1202 mic problem repair jumper way solution

Every cell phone use mic for sending voice on caller cell phone. During call if caller did not hear your voice, this is mic fault. The category of problem is hardware. Mic is controlled with CPU and some points are shown on diagram below here for missing mic points. 

If the mic is new and points are damaged, you can make jumpers directly at missing points. But before you start work, you need some troubleshooting steps for solving this problem. Please read and follow our troubleshooting guide.

Troubleshooting guide Nokia-Phone-Repair.

Missing mic points are major cause of this problem, mic not working. Some time faulted mic and missing points on PCB, where mic is connected are a major issue. To trace this fault, please follow these step.

1. Change mic.
2. Clean mic connection.
3. Make jumpers, black for negative and red for positive current of mic.

Warning! While working on this trick cell phone, accidentally may have harm faulted dead or stop working. We are not responsible.

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