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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Hardware & Hardware Repair

Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 03-17-2011, 10:15   #1 (permalink)
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Nokia C2-01 Jumper Ways Solution

Nokia C2-01 Power/END key Jumper Ways

If the Nokia C2-01 shows charging indication when the battery charger is plug-in, but unable to turn ON. This problem is cause by a faulty power ON-OFF key . Fixing it is quite so easy, you mat first try to clean the PCB board's keypads matrix and the keypad membrane.

If the keypads mats is cleaned and doesn't solve the problem, refer to the solution below and trace the power/end key connection line paths.



Nokia C2-01 Power/END key Jumper Ways

There is a 10K resistor connected to the power key and the opposite side is connected to the 3.8 VBAT (battery voltage). You may try to check and replace the said resistor.
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Old 03-17-2011, 10:21   #2 (permalink)
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Nokia C2-01 Not Working Buzzer, Ringtone IHF speaker Problem Solution

Nokia C2-01 Not Working Buzzer, Ringtone IHF speaker Problem Solution

Another Nokia c2-01 solution created by GsmAngel that covers for Buzzer Speaker Problem, or no ringtones and alert sound can be heard on the device even the volume control was already set to high level.

This solution below provides which components needs to be check to fix and put back the phone's buzzer function working again. Just refer to it and follow some step by step procedures we prepared.

Nokia C2-01 Not Working Buzzer, Ringtone IHF speaker Problem Solution


Steps procedures to fix Nokia C2-01 buzzer speaker problem:
1. Visually check the IHF buzzer speaker for possible misaligned of the terminals and or using a multimeter, replace if found damaged. Clean if it oxidized.
2. Clean the speaker terminal PCB contact pads.
3. Check/replace the filter coils and capacitors.
4. Trace both positive and negative connection line paths.
5. If the above procedures, won;t fix the problem. The PEARL IC will be the last option to work at.
Reworking it might only fix the problem.
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Old 03-17-2011, 10:25   #3 (permalink)
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Nokia C2-01 Not Charging Solution

Nokia C2-01 Not Charging Solution

This solution covers for Nokia C2-01 for not charging problem, or shows no charging indication or response when the battery charger is plug-in. This simple solution shows and tells us the basic steps on how to fix the phone if such problem happens.

The solution below provides the connection line paths that holds for charging on the device. Just follow some simple hints on how the way we troubleshoot t\and fix the charging problem.



Repair hints on Nokia C2-01 Charging Failure:
1.Try to use another working charger.
2. Try to replace and use another working phone's battery. Clean also the battery connector.
3. Check, clean or replace the charging pin - DC jack connector.
4. By using a multimeter, do a continuity check and trace the positive (V+) and negative (V-) line paths.
5. Check/replace the fuse, diode, coil and capacitor.
6. If the above procedures, doesn't fix the problem. the possible faulty is the PEARL IC, reworking or replacing it might only fix the problem.
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Old 03-17-2011, 10:28   #4 (permalink)
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Nokia C2-01 Insert SIM card Problem Solution

Nokia C2-01 Insert SIM card Problem Solution

Here's the solution for Nokia C2-01 Insert Sim Card error problems, if the phone unable to detect or read the Sim card inserted to it. This solution may help us on how to analyze and troubleshoot if such sim card error problem occurs.

The solution below shows the connection line paths of the Nokia C2-01 SIM card connector and which components needs to be check first.



If the phone doesn't detect any working sim card inserted to it, try to clean the sim card pin connector first.
Then check the Ground and VSIM pin connection. Check,replace the 33ohms resistor.
If the above basic procedure doesn't solved the problem, the possible faulty is the PEARL IC, reworking it, might only fix your Nokia C2-01.
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Old 03-17-2011, 10:30   #5 (permalink)
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Nokia C2-01 Earpiece Speaker Problem Solution

Nokia C2-01 Earpiece Speaker Problem Solution

This repair solution covers for Nokia C2-01 not working earpiece speaker problem. This problem may occurs or happens if the device suffered wet or water damaged, heavily dropped or just happens while using it. An oxidation build ups may also cause the ear speaker failure.

This solution provides the basic steps on how to fix and repair the phone. Just refer to the given solution below and follow some simple steps we prepared.



Hints on repairing Nokia C2-01 not working ear speaker problem:
1. Check the Receiver speaker terminals if not misaligned and or damaged then test it using a multimeter, replace if found damaged.
2. Clean the ear speaker terminal contact pads on the PCB board.
3. Check/ replace the filter coils and capacitors.
4. Trace the speaker connection paths from the filter coils down to the PCB terminal pads.
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Old 03-17-2011, 10:34   #6 (permalink)
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Nokia C2-01 Keypad Problem Repair Solution

Nokia C2-01 Keypad Problem Repair Solution

This is Nokia C2-01 solution for not working keypads problem. This solution shows the connection line paths of the C2-01 keypad matrix including the EMI filter IC jumper ways. This may help for easy troubleshooting a keypad failure on the phone.

Just refer to the solution below and analyze how each certain keypad keys being connected. This solution may also help in bypassing the keypad EMI filter IC.



Hints on Nokia C2-01 Keypad Malfunction Repairs:
1. Clean the keypad matrix including the keypad membrane.
2. Trace the connection line paths of a certain keys that doesn't work.
3. Check/replace the Keypads EMI filter IC or you can bypass it by applying a jumper wire on the open test point or spots as shown on the picture above. It will work too.
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Old 03-17-2011, 10:36   #7 (permalink)
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Nokia C2-01 MIC Problem Repair Solution

Nokia C2-01 MIC Problem Repair Solution

This is the Nokia C2-01 solution for Mic, *****piece microphone not working problem. The solution repair guide below simply shows the connection line paths of the microphone for troubleshooting.

Just follow some simple hints we provide on how to troubleshoot the microphone problem on Nokia C2-01 phones.



Here's the simple step by step instruction on how to fix a not working microphone on Nokia C2-01:
1. Check the microphone visually and using a multimeter, replace if found damaged.
2. Clean the MIC's terminal contact pads
3. Trace the outer and inner core MIC's contact pads connection line paths.
4. Check/replace the Filter coils and Resistor.
5. If the above procedures doesn't fix the problem, the possible faulty is the PEARL IC. reworking it might only fix the problem.
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Old 07-10-2011, 06:57   #8 (permalink)
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super job dear thank a lot
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Old 07-10-2011, 07:07   #9 (permalink)
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good work brother thanks
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Old 07-10-2011, 07:54   #10 (permalink)
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very nice reference...

good job....
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Old 07-10-2011, 08:08   #11 (permalink)
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Cool tanke

Quote:
Originally Posted by kulu View Post
Nokia C2-01 Not Working Buzzer, Ringtone IHF speaker Problem Solution

Another Nokia c2-01 solution created by GsmAngel that covers for Buzzer Speaker Problem, or no ringtones and alert sound can be heard on the device even the volume control was already set to high level.

This solution below provides which components needs to be check to fix and put back the phone's buzzer function working again. Just refer to it and follow some step by step procedures we prepared.

Nokia C2-01 Not Working Buzzer, Ringtone IHF speaker Problem Solution



nice work keep it up i like it www.gsmgmword.com

:D


Steps procedures to fix Nokia C2-01 buzzer speaker problem:
1. Visually check the IHF buzzer speaker for possible misaligned of the terminals and or using a multimeter, replace if found damaged. Clean if it oxidized.
2. Clean the speaker terminal PCB contact pads.
3. Check/replace the filter coils and capacitors.
4. Trace both positive and negative connection line paths.
5. If the above procedures, won;t fix the problem. The PEARL IC will be the last option to work at.
Reworking it might only fix the problem.
\\


nicev workr bro i like it keer it up :)
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Old 11-11-2011, 03:31   #12 (permalink)
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dear friends i have changed nokia c2 01 kp ic but not working pcb water lock but now its fine then only the end key is working for powering on the mobile and powering off the mobile plz help me thanks in advance surenbarani@gmail.com plz its little urgent
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Old 11-11-2011, 04:58   #13 (permalink)
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goodwork br keep it up
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Old 11-24-2011, 14:16   #14 (permalink)
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Thumbs up c2 headset

thanks
please if you have eny solution for headset way
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Old 11-25-2011, 09:04   #15 (permalink)
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really good work done keep it up always...........
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