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After power failure, the resistance of L2501 is measured, and it is found that the front resistance is 380, but the back resistance is only 290. We can measure the front and back ends on C2502 and C2506. Does this seem to be inductance damage? The specific maintenance process is as follows:

repair of iPad8 Black Screen Fault “Machine model” iPad8 (A2270) [Fault Phenomenon] The customer described that the tablet iPad8 suddenly went black when it was in use. The customer thought it was out of power, so he found a charger…

Measuring the resistance of the main power supply is 0, which shows that the battery voltage is short. When measuring the battery voltage, it is found that it is only 2.6v This voltage must be a battery loss. The specific maintenance process is as follows

iPhone 13 Pro Maxmobile phone repair without charging “Machine model” iPhone 13 Pro Max [Fault phenomenon] The customer described that he put his mobile phone on the bedside before going to bed at night, and as a result, he got up…