circuit board repair

Mnemonic Techniques for Circuit Board Repair

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Mnemonic Techniques for Circuit Board Repair

1.1 Basic Recognition Mnemonics A circuit board can change in countless ways; the combination of components is key. Resistors and capacitors are the most common; understanding their symbols is essential. Resistance changes and capacitor leakage; remember the basic characteristics. Inductance and voltage changes can be checked; measure the PN junction of transistors. MOSFETs can be … Read more

Repairing the Circuit Board of a Chigo Air Conditioner: A Two-Wave Approach

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Repairing the Circuit Board of a Chigo Air Conditioner: A Two-Wave Approach

Recently, I repaired a 2P Chigo air conditioner. I initially didn’t want to post about it, but there are likely many colleagues in the forum who also use old board components for repairing faulty machines. However, this was my first encounter with a situation where the disassembled board components were also defective, so I wanted … Read more