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Macintosh Portable Issues

Posted by: Johnnya101 on 2017-05-25 17:47:18 Got a macintosh portable. When turned on originally, it showed the ? with a line across the middle of the screen. I took it apart, but then wondered if it was the batter not being charged enough. I put it back together quickly, and now the screen is full of lines and the is a whining sound from the battery area... No covers are on, so it could be that I did not hear that at first. I quickly pulled out the power adapter (Yes, its a portable one) It is not recapped. Techknight was saying how he thinks the LCD is bad. I don't see how it could go bad from shipping it? The seller had photos of it on with no lines...

Posted by: Johnnya101 on 2017-05-25 18:29:38 Here's some logic board photos and photos of the mystery PDS card.

Posted by: Themk on 2017-05-25 18:33:56 Looks like a memory expansion board.

Posted by: Johnnya101 on 2017-05-25 18:41:07 Thats what I thought... Good. Now.... just need to know if this thing is dead or not. Again, pulled the plug fast once I saw the screen full of lines, so it should not have damaged anything. No startup bong.

Posted by: Johnnya101 on 2017-05-26 11:56:14 Took a closer look today. Tons of goo between chips and stuff so I'm gonna hope that's the issue. Gonna get the Display cable rebuilt too. Do the power adapters need recapping too?

Posted by: Macdrone on 2017-05-26 13:44:07 needs recapped, end of story, all caps.  make sure to clean.  Power supplies if they work, I wouldnt try to open them as long as they charge the battery.  Do not use dark later powerbook supplies, it makes the portable work untils it fries it.  The reason we have the 100 is because this was everything that was thought was wrong with the portable.

Posted by: Johnnya101 on 2017-05-26 14:22:16 Got it. Caps. Thank you! No sound at all so I figured that. Yeah I've got a portable PSU that I'm pretty sure works... I've got to make sure when I get home. Macdrone, any way to know if the lines on the screen were from the LCD panel?

Posted by: techknight on 2017-05-26 14:23:10 Well it depends on how the lines are there.  If you had lines with no image at all, then its probably caps/voltage issues.  But if you see a clear desktop or floppy blinking icon with the lines then it is the LCD. Take a picture of the problem and I can identify it right away.

Posted by: Johnnya101 on 2017-05-26 14:45:39 It was a floppy that I don't think was blinking with a thick black line in the middle. I don't really want to put the thing together again and find out because the board looks pretty full of goo... HOWEVER The second time there was no image just tons of lines. Techknight, I'll send you the LCD with the board and you can take a look? Also, checked the trackball for too. There isn't any. As in the rollers melting, so.... logic board?

Posted by: Johnnya101 on 2017-05-26 14:52:07 Wait I DID take a photo!!! Here's the first time I turned it on.

Posted by: techknight on 2017-05-26 14:58:37 Yikes. thats a fault I have never seen. Looks like the LCD, but it could be the GPU/VRAM and goo.

Posted by: Johnnya101 on 2017-05-26 15:08:08 I think it's VRAM or whatever because it was not having this problem before it shipped, plus there's goo bridging a few of those chips. The caps are super bad... there's literally clear liquid sitting on top of the board. Drops. Of goo. The pins are all covered in brown. Luckily it seems recent as it hasn't eaten through anything. Add this one to the book! Lol. Sorry bout the flash. I'll PM you. I want this recapped ASAP.

Posted by: techknight on 2017-05-26 15:35:01 Hey also, your gonna want to get the battery rebuilt if you want to run this thing safely, or build/get a battery-eliminator.

Posted by: Johnnya101 on 2017-05-26 15:59:59 Don't worry, it's rebuilt! Think it's alaskas, it's 3d printed. The seller bought it. Did you get my PM?

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