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Ok but I would like to direct your attention to this thread, on pages 6 and 7, the first reply on page 6 is the one I am mainly referencing. https://tinkerdifferent.com/threads/tunnel-vision-on-pb170.778/page-6

Ok, firstly I just want to start off by saying sorry for the late reply, life has gotten busy lately, but I should be able to work on the powerbook 170 some more in the foreseeable future. Secondly, I would to say that yes one of the posts that is used to hold the screw in place, was out of...

I figured as much, but I done know where the fault would be though. I will have to keep you all posted. But just as a form of extra information, the bezel is just simply not setting properly around the right hand side hinge, and when I look at it, it looks as though the item that is most likely...

I will have to show you what seems to be coming up when I don't have the HDD connected. Plus can I ask if it is normal for the screen bezel to not sit quite right after reassembling the display construction? I am feeling as though I am having to modify the shell slightly to allow me to put it...

Ok thank you.

Any advice or insight into both what is going on and how to fix it would be greatly appreciated.

And I also have power button functionality back. I don't care about the tunnel vision at this stage I just want the thing to work some what.

Hey ok so this is what I am getting now. I think you were right with is being a bad cap. Now all I need it to see if there is still something wrong with it or if this is normal? Because no sad mac or anything on the screen.

Also does the bottom of this capacitor look like it has started leaking? And also do you think that this reflow job for all of the solder point on the underside of the psu board is good? (Ingore the holes they are just where I have removed to two biggest caps.)

Ok so if it is shorting where abouts would it be most likely to be shorting?

Here are the photos.

Ok I will do that as soon as I get home.

Ok so even if the psu is putting out so.ething between 1.1v and 2.4v would that still be enough to occasionally turn on the backlight of the screen? And also causing the stated chips to to heat up.

Ok thanks, I will give it a go. I have already cracked it open, and quite cleanly I might add if I do say so myself, I can even just pop it back together no problem and open it as well. Regarding the cap leakage, there doesn't seem to be any leakage, but I can check that when I come to do it...

I didn't even think of doing that, thank you I will have to try that out. The headphones didn't even cross my mind, but strange question, would standard cheap in ear headphones work? I am just asking because I tried something like that one time on another computer I own and it didn't work...

Would it be worthwhile recapping the PSU? Or it pretty much karcked it?

Yes at least two point on the CPU board seem to get hot, the two chips in the red circle. I have done a bit of adjustment and I have gotten it to a point where I am able to get a solid 7.7v, but when I plug it in I can often get it dropping down to as low as 1.1v.

Thank you, I am pretty sure that it is working I might recap the psu as a precautionary measure.

Also if worse comes to worse, would I be able to use a powerbook 140 motherboard with the powerbook 170 CPU board?

Thanks for the advice, could you please point out which one is the interconnect board?