In a situation where the amplification mechanism is faulty, then your sound system is likely to give a poor output. The work of an amp is to raise the level of an electrical signal to a level that can be fed to the targeted output device which can be a speaker or a headset. This means if the speaker is producing a weak sound, the problem can be traced back to the amp and correction made. Amplifier repair may be required also if the output is distorted or it is not clear.
Most amplification systems are easy to troubleshoot as they are constructed such that it is possible to view all components once the covers are removed. Several steps are followed when undertaking repair for an audio system. The first one normally involves removing the device form its position and placing it on a table.
The covers of the device are removed through releasing the screws holding them in place. This enables the technician executing the task to be in a position to view all the components comprising the appliance. Before, sophisticated ways of troubleshooting are applied, the technician will use eyes to find out whether he can identify any burnt element.
With the help of the service manual provided to the consumer in the time of purchase, it is possible to identify all the power transistors. While the device is on, a multimeter is utilized in determining whether there is voltage on pins of these transistors. The repairer is supposed to look for the fuse and then check it for continuity upon finding it. A fuse with appropriate specifications is supposed to be used in replacing the one which has blown out.
The trouble shooting can proceed to the next stage if the power supply is corrected or is found to be in good condition. In this stage, all faulty elements in the rest of the system will be identified. The technician will employ a freezer in spraying the components with cold air. The system is switched on and the component that will go for long time still frozen before the system works is the spoiled one.
The solder holding a damaged component is melted by use of heat generated by the bit of a soldering gun. Once the solder is in liquid form, a nose pliers is applied in pulling off the pins of the component. This supposed to be accomplished within a very short period of time as solder solidifies quickly once the heat source is withdrawn. The PCB is detached and the holes where the element was attached cleaned using a solder wick.
The component removed is identified and replaced with the appropriate one as stated in the service manual. Then new element is supposed to be soldered in the same orientation and position as the earlier one. The repairer should be keen that he does not apply too much solder such that the pins short.
Testing begins with fitting the circuit board back to its place after replacing the spoiled element. The appliance is plugged onto power supply and its power button put on. Once the repairer is convinced that the system is back to its normal working, he will put off the power and then fasten the covers.
Most amplification systems are easy to troubleshoot as they are constructed such that it is possible to view all components once the covers are removed. Several steps are followed when undertaking repair for an audio system. The first one normally involves removing the device form its position and placing it on a table.
The covers of the device are removed through releasing the screws holding them in place. This enables the technician executing the task to be in a position to view all the components comprising the appliance. Before, sophisticated ways of troubleshooting are applied, the technician will use eyes to find out whether he can identify any burnt element.
With the help of the service manual provided to the consumer in the time of purchase, it is possible to identify all the power transistors. While the device is on, a multimeter is utilized in determining whether there is voltage on pins of these transistors. The repairer is supposed to look for the fuse and then check it for continuity upon finding it. A fuse with appropriate specifications is supposed to be used in replacing the one which has blown out.
The trouble shooting can proceed to the next stage if the power supply is corrected or is found to be in good condition. In this stage, all faulty elements in the rest of the system will be identified. The technician will employ a freezer in spraying the components with cold air. The system is switched on and the component that will go for long time still frozen before the system works is the spoiled one.
The solder holding a damaged component is melted by use of heat generated by the bit of a soldering gun. Once the solder is in liquid form, a nose pliers is applied in pulling off the pins of the component. This supposed to be accomplished within a very short period of time as solder solidifies quickly once the heat source is withdrawn. The PCB is detached and the holes where the element was attached cleaned using a solder wick.
The component removed is identified and replaced with the appropriate one as stated in the service manual. Then new element is supposed to be soldered in the same orientation and position as the earlier one. The repairer should be keen that he does not apply too much solder such that the pins short.
Testing begins with fitting the circuit board back to its place after replacing the spoiled element. The appliance is plugged onto power supply and its power button put on. Once the repairer is convinced that the system is back to its normal working, he will put off the power and then fasten the covers.
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