1. When repairing the circuit board, you should understand the vulnerable parts on the circuit board
l. When planners plan circuit boards, there are unreasonable local planning that are most likely to present problems.
2. The components frequently used in the circuit board are prone to problems.
The frequency of operation of these components such as the drive motor and rotating shaft of the industrial circuit board, the switch tube of the switching power supply, and the common keys of the operation panel is the most frequent in the circuit board, so the probability of damage to these components will also be greatly increased.
3. The components with heavy load, high power and high operating voltage in the circuit board are the most likely to show faults.
4. The maintenance circuit in the circuit board is the most vulnerable to damage, and the valuable chips or components on the circuit board are maintained. Skilled industrial KUKA palletizing robot circuit board repair engineers can recognize these maintenance equipment by looking at the circuit board while repairing it.
Our industrial KUKA palletizing robot circuit board repair training is based on years of understanding of the structure of circuit boards, generally speaking, the commonly used maintenance circuits and equipment in circuit boards are:
(1) Overcurrent maintenance components: safe wire, safe resistor, cement resistor, choke, etc., these electronic components are generally connected in series in the maintained components or circuits, and often show circuit overcurrent and burn out; (2) Overvoltage maintenance components: varistors, voltage regulators or bidirectional diodes, clamping diodes, thyristors, etc., these components are not conductive in the normal operation of the circuit board, when the circuit presents an overvoltage condition, these overvoltage maintenance components will be instantaneously conductive and shunt, play the role of overvoltage maintenance, and these overvoltage maintenance components are generally connected in parallel in the maintained components or circuits when used; (3) Polarity maintenance: diode; (4) Surge maintenance: transistor.
5. The interface and cable of the connector and the connector in the circuit board are easy to be in poor contact or broken.
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Multiplier.
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