Elaborate bull microcomputer combination according to testing and maintenance

Repair long microcomputer combined said, in order to accurately judge the fault parts, need some necessary instruments and equipment for testing, in order to rapidly detect the fault parts, repair. Repair long microcomputer combination according to the commonly used instruments and equipment are: oscillograph, multimeter, logic pen, field intensity meter, etc. , are just a few basic test equipment is introduced as follows: ( 1) Oscilloscope: oscilloscope is long observation instrument is commonly used in microcomputer combination according to maintenance, can be all point detection circuit waveform level before and after along, pulse width, pulse amplitude, phase, cycle, etc. , more convenient and intuitive. ( 2) Logic test: test to detect the digital logic circuit level, is a high level or low level, pulse polarity, some still can be used to count the pulse to be measured and to determine how many letters are there in the presence of pulse and pulse, etc. , easy to carry, simple to use. ( 3) Multimeter: multimeter is one of the most commonly used instrument, low cost, practical, use it can detect circuit of current, voltage, resistance, and can also test circuit on and off and transistors, diodes, capacitor, the stand or fall of potentiometer and other components, etc. Daily maintenance and repair ( 1) Keep long microcomputer combination according to the machine clean. Long microcomputer combined said is a kind of precision measuring instruments, keep the machine clean, to prolong its service life, improve the measurement accuracy has important significance. Keep long microcomputer combination according to each place is not the dust deposition and oil, maintain joint mobility, various activities to prevent corrosion phenomenon, in dusty and corrosive gases used under the bad environment should be timely cleaning, cleaning. Regularly check whether collision, crack, parts fasteners in presence of loose, if there are any abnormalities should be handled in a timely manner. ( 2) Avoid long microcomputer combined by intense drive and collision, impact. Long microcomputer according to the internal combination is composed of many electronic components, such as integrated circuit, quartz crystal, display devices, sensors, etc. , when the bulls microcomputer combination called from outside force, it might damage the yuan, accessories, causing long microcomputer integrated said failure, affect the precision so as to affect the normal use, to avoid strong collision or scales and other items fall from the sky, display instrument to should take put down gently, careful management, in the strong sunlight sunlight for a long time, to prevent unnecessary loss, weighing display fixed in a severe vibration, vibration reduction measures, so as not to affect its reliability. ( 3) Don't remove parts long long microcomputer combination according to the microcomputer combination according to normal use process, do not remove the bulls at microcomputer combination scale components, more do not remove the sensor seal and instrument on the integrated circuit element, such as the necessary maintenance, must be under the guidance of relevant technical personnel or have a certain knowledge of maintenance, after in case of failure to expand. ( 4) The management of the electronic scale load. Multi-head computer combination says is a precision instrument, it is recommended that the user making the necessary management system, personnel, charge, dedicated, establish necessary use and maintenance record, no need for a long time stocks, sunscreen, moisture-proof, dustproof. ( 5) The battery pack to charge in a timely manner. Multi-head computer combination is equipped with battery rechargeable battery, its capacity is limited, not for a long time or work shown in owe electrical instructions, should be timely to recharge the battery, in order to avoid excessive battery discharge, affect the service life of the battery, often should check whether the battery packaging is damaged, fuses are in good condition, in case of short circuit and damage battery and bull microcomputer assembly said circuit.

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