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If your PSP Street exhibits these symptoms, the power chip is likely compromised:
Remove the stencil and inspect the spheres under a microscope. Step 4: Installation and Reflow
印刷电路板出现裂纹可能有以下原因:
Before assuming the chip is physically cracked, it is essential to check if it is merely a cold solder joint (a "cold join") under the chip, which can mimic a cracked chip symptom. 2. Reflowing/Reballing (Advanced)
The most significant clue regarding the MB44C023's function comes from legacy repair communities. In a 2014 forum post on a Russian electronics portal (MCRF), a user explicitly searches to "buy mb44c023 controllers for PSP" (Sony PlayStation Portable).
: The device fails to turn on even with a known good battery or charger. Excessive Heat
: Clear the pads on the PCB using a soldering iron and desoldering braid. Reballing (Optional)
: Using unofficial or faulty power adapters can deliver excess current, causing the chip to fail. Mechanical Stress
While affordable (often under $1.00 in bulk), finding genuine, individual replacement chips can be tricky, leading many to scavenge them from "donor" boards. Summary for Users with a Cracked Chip
Parts and sourcing
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