How to repair the broken circuit of rice cooker?

The circuit of the rice cooker is broken, which may cause the rice cooker not to work normally, cook or keep warm. The circuit board may be a vulnerable component, such as an operation button, a capacitor or an inductor. If the circuit board is obviously burned or damaged, the whole circuit board needs to be replaced.

Repairing the circuit board of the rice cooker requires the following steps:

1. Disconnect the power supply of the rice cooker, disassemble the shell and find the circuit board.

2. Find out the faulty circuit board parts, such as operation buttons, capacitors or inductors.

3. If the capacitance or inductance is damaged, you can use a multimeter to test whether the resistance is abnormal. After confirming that the capacitor or inductor is damaged, it can be replaced with a soldering iron.

4. If the operation button is damaged, you need to find a button with the same specification to replace it. The pins of the operation buttons connected to the circuit board need to be handled carefully to avoid intermediate damage.

5. Check whether the circuit board can work normally after installation. If it works normally, reinstall the shell of the rice cooker. If it doesn't work properly, you need to check whether it has been replaced correctly.

In a word, repairing the circuit board of rice cooker requires some basic electronic skills and patience. If you are not sure how to realize it, it is recommended to ask professional technicians to repair it. Please handle it with care due to high voltage, high temperature or other electronic hazards on the circuit board.