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Better paint the whole thing in yellow!! [:D]

A real day dreamer this seller... Maybe the trackpad is gold plated and the keyboard set with diamonds?  [:D] https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.fr%2Fulk%2Fitm%2F184117474312 Some people really have time to loose...

Ok thanks, I thought the pinout could be different... I'll try on aliexpress  ;-)

I can easily find the MMBT3906 and MMBT3904 but the PC74HC132T is quite expensive and I need two of them... Do anyone know a equivalent component?

Be careful and require motherboard pics!! A lot of them died cause of Maxell battery exploding inside...  :-(  and if it's the case, you lose $100!

Had exactely the same problem since I got my IIfx 5 years ago... The first thing I made when I got it was recapping but the problem was still there! This WE I went on the problem to see if there was any broken trace with the power circuit and RTC schematics... but everything was fine... In...

The electrolytic caps inside the PSU don't necessarily need to be replaced but the "X" and "Y" filtering caps can safely be removed... they often explode inside!

When you short pin 9 and 10 you should hear a "click click" sound. It's the relay inside the PSU which toggles power to the secondary AC outlet. The reason why it's clicking is because the PSU isn't "loaded" and safety circuit prevent it from starting for good. On the other hand, if you don't...

Hi, The good news is that Q700 Logicboard normally doesn't need recapping since there isn't any smd electrolytic capacitor on it! For the PSU it's clear most of them are out of order now :( . Sadly recapping the PSU is rarely sufficient to bring it back to live... The solution is to replace...

Thanks everyone for the update, I'll try that later when I'll have time   :)

Apparently, it isn't possible to boot a plus from scsi2sd... (many threads about this in the forum) :(

Be very careful when you install the new flat cable not to pinch it! Especially when you'll reassemble the powerbook in putting back the side "conic" plastic tab...

Better to flip back to original position since Vmain is 1.5A. With only 1A you may run out of power when using floppy drive with backlight at max intensity for example... and it will stress your power supply uselessly ;)

maybe you shorted something when you remelted solder... It worked a little bit the first time before it trip your house but maybe the short made a component fail and then this failure makes your mains crack up?  Give a last try with logicboard out of the computer just to see, if it doesn't trip...

All the symptom except the corner getting dark seem to come from the ribbon cable you mentioned (audio uses this cable too). Try to find a spare ribbon cable. For the darkening corners, it's a well known weakness of apple's monochrome active displays and there is no real fix for this... sadly

Si old batteries will never charge, even with a known good PSU... I just suggest you use vbatt (which seems to be ok) to power the computer and see if it boots. If it boots then go recap your PSU, if not maybe it'll be cheaper to buy another powerbook instead (540c are great, avoid 540 (non c)...

When you'll get it opened, try to invert wires "1" and "2" just to see if it boots and exclude another problem on the powerbook itself!

Bad solder joints on the analog board! Re-melt them (especially the flyback and connectors). For floppy, you'll have to disassemble the drive, there are several tutorials about that ;)

First check your power supply, if it is ok then try to find a blown fuse on your logicboard

Would be very pleased if you could put a video of your plus booting on scsi2sd on youtube cause even using Lido 7.56 to format my scsi2sd (even with a 40mb drive) it is seen on my plus when booting from floppy but doesn't start by itself... :( My Plus has "v3" roms