Success! The replacement diodes were slightly longer by aprox. 1 mm (or less), but within reason. I will verify voltages against another AGS 001 and post the results next time.
Thank you for sharing your knowledge. I have a GBA SP model AGS 001 that powers on then suddenly shuts down after about 15 seconds. After verifying battery was good, and terminals were clean, I inspected the on/off switch, and verified it to be in good working order. I then used a cell phone camera to magnify and inspect the motherboard and found a problem not mentioned on any other site. I understand motherboards are cheep and readily available online, and in most cases it is easier to simply replace the board than to fix components. That being said, inspection of board location Q4 showed a hair line crack in the diode. The diode is marked 76 and cross reference identified the part as BAS70-06 which can be purchased on Amazon or E-bay etc. for less than $10 including shipping. I will let you know how it goes when the part arrives even if only in the interest of expanding the knowledge base.
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Ecco un'anteprima di come il grafico apparirà:
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