Monday, November 24, 2014
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Nokia 6610 Power Switch Problem
Nokia 6610 Power Switch Problem
Phone Repairing this time again will share experiences in repairing the damage Power Switch on the Nokia 6610 mobile phone.
Symptoms of damage to the Nokia 6610 mobile phone this time are: Mobile to die, but when connected to the transformer charger, can charge mobile phone battery.
This indicates that the mobile machine is still working, but the phone can not be turned on because of any damage or problems on the power switch. The first step I did was make a visual inspection. This is done to ensure that no chip is missing either due to collision and so on. Having ascertained that no chip is lost or separated, then the next analysis was to examine whether the PCB track is broken or not. In this examination step, I do not find a damaged PCB track, but instead there is the resistance value of resistor which does not match that should be. R306 chip is as shown in the following figure:
Symptoms of damage to the Nokia 6610 mobile phone this time are: Mobile to die, but when connected to the transformer charger, can charge mobile phone battery.
This indicates that the mobile machine is still working, but the phone can not be turned on because of any damage or problems on the power switch. The first step I did was make a visual inspection. This is done to ensure that no chip is missing either due to collision and so on. Having ascertained that no chip is lost or separated, then the next analysis was to examine whether the PCB track is broken or not. In this examination step, I do not find a damaged PCB track, but instead there is the resistance value of resistor which does not match that should be. R306 chip is as shown in the following figure:
To repair this damage, we can replace the resistor with the same value as shown in the diagram scheme. However, if we do not have a resistor, we can handle it by doing jumpers from switch on / off straight to the point of resistors that is connected to UEM IC. The picture as shown below:
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