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If you have repaired the hard disk with professional tools such as PC-3000, you must have a deep understanding of their powerful features. However, even the best software is also designed for soft faults. The so-called “wives are hard to cook without rice.” If the driver chip or the circuit board has a hardware problem, it is impossible to repair it with software. You must first fix the hardware failure. Symptoms and AnalysisAnalysis Recently, a friend sent me three Maxtor hard drives: two of them are D541X series (model: 2B020H1, hereinafter referred to as 2B) and one Diamond Max VL40 series (model:

If you have repaired the hard disk with professional tools such as PC-3000, you must have a deep understanding of their powerful features. However, even the best software is also designed for soft faults. The so-called “wives are hard to cook without rice.” If the driver chip or the circuit board has a hardware problem, it is impossible to repair it with software. You must first fix the hardware failure.

Failure phenomenon and AnalysisAnalysis

A few days ago, a friend sent me three Maxtor hard drives: two of them were D541X series (model: 2B020H1, from now on referred to as 2B) and one Diamond Max VL40 series (model: 31024H1). One of the D541X (hereafter referred to as 2B_a) can be powered on, but the system cannot identify the hard disk, and the other two only cannot operate, let alone identify. After careful observation by the author, I found that the two non-operational hard drives have damaged components. Among them, the SH6770C chip (COMBO IC) of the Diamond Max VL40 is damaged, and there is a burning hole in the IC. D541X (from now on referred to as 2B_b) is damaged PHN210T (MOSFET)