I am working in the same circumstances. I am hoping we might work together.
Which IC is the Egret?
Following recap of my LC575’s LB and AB (and U/S cleaning of the LB and confirming the AB works with my LC520), I have found potential problems on my logic board:
the memory chip...
I have several 45W A1036 power supplies for G4 iBooks with the 7.7mm/3.5mm round plugs that I want to convert to 9mm/3.5mm round plugs for my older PPC PowerBooks. Ideally, I would make small female to male cables to go between the A1036 PSU and my PowerBooks. Does anyone know the correct name...
I scanned the 840AV YouTube videos by Branchus Creations To look for screens of the U9 IC. I was able to screen capture two examples which look to indicate it’s a
TI - 2082C. I was able to find similar on Digi-Key, TLE2082CD...
I need your help.
If you are adept at reading schematics and choosing compatible parts, then please share your opinion on U9 in the schematic and the proposed Op-Amp data sheet image. Maybe this sparks a memory of the correct part number...maybe you saw this on another vintage...
I decide to upload a better picture to more clearly display the location.
If you have access to a 840AV, please upload a picture of the IC at U9 with the part numbers visible or if you are savvy then please recommend a replacement or where to learn the data for this missing IC.
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...
I need a replacement 19mm trackball. I have a 19mm steel ball bearing. Is this safe to use the metal ball bearing as a replacement? My reason for asking is that I can see what looks like copper at the base of the trackball assembly. I attached a picture.