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Hello All, I need your help to identify the IC part number located at U9 on my 840AV logic board. I recently purchased this 840 from eBay as not working and I started removing the leaky SMT electrolytic capacitors. I discovered that the IC at location U9 is missing. Bomarc schematics appear to have it as part of the analog sound circuit for the headphone output. I have uploaded a picture of its Empty location. Please share it’s part number, so I may purchase a replacement. Thanks, Bama
Hey guys! Recently I managed to pick up a Macintosh Classic in very good nick, however, it wasn't working. The previous owner told be that he was using it one day, and the Mac made a bang and stopped working. He said that the fuse had gone, and that I would simply have to plug in a new fuse. I took it home and tried to power it up again just to see if I was lucky, but sure enough, it was broken. I didn't hear a hard drive spin, no beep, no CRT noises, nothing. I cracked it open and sure enough, the fuse was missing. I bought an equivalent fuse and plugged it in, I powered it up, but st