Thread
3 - Powerbook 100's None work.
I go back and forth between parts stores these days. CarQuest, without fail, has weird/obscure pieces for my older stuff. A lot of the time they've even had parts in stock for stuff built in the 60's. Very surprising.
I used to buy from O'Reilly exclusively but their MasterPro line of parts has gone WAAAAAAAY downhill in terms of quality, even to the point of being dangerous (think about polyurethane suspension bushings that explode when you torque the fasteners to spec.) I get most of what I need from AutoZone now, much better quality control, and I can sometimes get them to price match Rock Auto.
I used to buy from O'Reilly exclusively but their MasterPro line of parts has gone WAAAAAAAY downhill in terms of quality, even to the point of being dangerous (think about polyurethane suspension bushings that explode when you torque the fasteners to spec.) I get most of what I need from AutoZone now, much better quality control, and I can sometimes get them to price match Rock Auto.
Sega Game Gear handhelds have a bunch of those same capacitors, and they fail the same way as the more common vertical SMD 'lytics. I think they're somewhat common in Japanese portable electronics of the era.
As for Toyotas, the engines seem to be fairly bulletproof, at least the inline-4's I've dealt with. The manual transmissions are pretty good too, but the automatics I'm not so sure. There are a lot of turd automatic transmissions out there, especially up through the 80s. Usually the automatic was an afterthought for the USA market, shoehorned into a space intended for a manual gearbox. The Saab 900 was the posterchild of this. Neat car, but there is a reason there are very, very few auto tranny versions still on the road.
I replaced those caps on the back of the LCD with TDK CGA5L1X7R1V335K ceramics and it seems to work well. I replaced them on 2 of the displays and both are now working normally. I didn't recap the 3rd yet, it's delaminating .
I completely recapped all 3 logic boards. 2 chime, but only 1 actually displays anything and boots.
I completely recapped all 3 logic boards. 2 chime, but only 1 actually displays anything and boots.
intersting… they seem like a fickle beast… just like the portable….. just like the se/30
The cap goo probably rots out some VIA's and Traces?
Crap..
The cap goo probably rots out some VIA's and Traces?
Crap..
ok so this is what i did.
i totally did the lazy mans re-cap, witch is fine as long as its mine and not anyones i am working on.
before this thing was completely dead.
now it boots up, runs great, all is well. dead internal hard drive, boots from zip 100 just fine
I replaced all the 1uf 16v caps with ceramic variants.
I replaced all the 10uf 16v caps with ceramic variants.
All the other caps had shiny pads and no signs of leakage.
i totally did the lazy mans re-cap, witch is fine as long as its mine and not anyones i am working on.
before this thing was completely dead.
now it boots up, runs great, all is well. dead internal hard drive, boots from zip 100 just fine
I replaced all the 1uf 16v caps with ceramic variants.
I replaced all the 10uf 16v caps with ceramic variants.
All the other caps had shiny pads and no signs of leakage.
I think I need to buy that re-cap kit, comrade. 
Woo, brilliant... Maybe I'll get mine recapped... 
Did you replace the LCD caps as well?
Is that pink blotch on the screen from LCD damage?
Did you replace the LCD caps as well?
Is that pink blotch on the screen from LCD damage?
sure, no didn't do the screen, screen for the moment seems to be working good.
In the picture it came out pinkish, Its where someone pressed really hard on the screen, so there is some b&w LCD leakage.
The other 2 pb100's seem to have no damage to the LCD.
In the picture it came out pinkish, Its where someone pressed really hard on the screen, so there is some b&w LCD leakage.
The other 2 pb100's seem to have no damage to the LCD.
I found the opposite, mostly just automatic 900s still around, the 5 speed manual in those, particularly in a Turbo is very failure prone. Even my mom's. 50k mi and second gear syncro started to go, bad because she's a super smooth gentle driver, doubt the turbo ever got a chance to spool up in that entire 50k mi :lol:
Personally I've had better luck with manuals, only issues I've had *knock on wood, because my current car's trans is making lots of interesting noises* broken clutch spring, with lots of wear material left, only guess is fatigue from age killed it('74 Karmann Ghia) and I bought a car cheep because the trans was dead, it had been run with no oil. Automatics on the other hand... I've had 75% failure rate(had 4, three had trans failures) so I just avoid them.
back on topic, replacing caps seems to fix almost everything
Too bad they can't fix cars :lol:back on topic, replacing caps seems to fix almost everything
c
I disagree, have you looked inside the 80's computers in vehicles, lots of capacitors. Even saw the dreaded cans in one in a junkyard.
Yeah, now that you mention it!
Our '06 Vibe had a recall of the PCM computer a year or two ago, apparently due to either bad capacitors or some other defect.
Now that I'm thinking, we have a '98 Ford Windstar minivan which behaves erratically at times, yet the computer always passes all tests with flying colors. I wonder if some bad caps are causing some sort of problem with reaction time (it will stall if you accelerate too quickly sometimes, even though the engine is mechanically perfect).
c
Our '06 Vibe had a recall of the PCM computer a year or two ago, apparently due to either bad capacitors or some other defect.
Now that I'm thinking, we have a '98 Ford Windstar minivan which behaves erratically at times, yet the computer always passes all tests with flying colors. I wonder if some bad caps are causing some sort of problem with reaction time (it will stall if you accelerate too quickly sometimes, even though the engine is mechanically perfect).
c
ford.... I owned one. Never again... Although I prefer it over a dodge which is what I own now. my old taurus had a shitload of bad caps in the pcm. the tranny would act strange and so would the engine, randomly stalling, misfiring, IAC errors, etc... recapping fixed all of it. until the tranny said im not working anymore (common problem with that POS).
so I got rid of that car for a dodge stratus. oh dont get me started with that thing. ugh. that was a bad investment. lol. since its a late 90s car, its been around a long time. already had to recap the BCM. it was failing, gauge cluster dropping out and doing stupid shit. Not anymore. but everything else is shot like the front-end. (common on that car)
so I got rid of that car for a dodge stratus. oh dont get me started with that thing. ugh. that was a bad investment. lol. since its a late 90s car, its been around a long time. already had to recap the BCM. it was failing, gauge cluster dropping out and doing stupid shit. Not anymore. but everything else is shot like the front-end. (common on that car)
Hmm!!!
Then maybe recapping our Windstar's PCM will fix it?
Neat!
Now, how to do it...
Time to look through the service manual!
c
EDIT: Also, will a PCM with bad caps still report that all is well when hooked up to a tester?
Then maybe recapping our Windstar's PCM will fix it?
Neat!
Now, how to do it...
Time to look through the service manual!
c
EDIT: Also, will a PCM with bad caps still report that all is well when hooked up to a tester?
sure man no problem!I think I need to buy that re-cap kit, comrade.
jt. Should this be added to the re-cap thread?
pm me for that cap kit.
there is defiantly some $$ in repairing automotive ECUs too... have you seen how much a reman ECUs are!? GACK.
It'll make a great troubleshooting intro link for the full workup if you get a chance to do one. I guess I can stick it in there as a temporary substitution of the Placeholder, but as long as this thread stays active, I don't see much point in not just waiting for the workup . . .
. . . a first ever LCD re-cap recap would be most definitely
I wouldn't want the liability of fixing an automotive ECU's
Better have a 10 million dollar insurance policy.
Opps, solder bridge caused air bags to deploy at 55mph.
Better have a 10 million dollar insurance policy.
Opps, solder bridge caused air bags to deploy at 55mph.
Well, considering the fate of the Romulan homeworld, and the fact that Reman items were unusual in the first place, I'm not surprised they command a premium in gold pressed latinum.
(Sorry, I couldn't help myself once I saw the word "Reman")
:lol: :lol: :lol: c
only if you're tinkering with the airbag system, not something I'd touch either. I'm talking engine ECU. people monkey with those all the time for performance upgrades.
I've repaired one, it was water damaged (clogged sunroof drain = water leaking directly onto the ECU) Owner got it covered under his insurance, I made $500 (reman ECU was $1500 for his car, and his was chipped so add another $500 on top of that, so the repair saved him a bundle too) |)
Hmm,
So, then it's conceivable that our Windstar's ECU has some bad caps in it, leading to it's occasional erratic behavior.
I checked, and a new re-manufactured ECU is $150 for this particular model, year and engine combination ('98 Limited with 3.8L V6), so I could try fixing it up, and if I goof (and I seriously hope I don't!), we only have to pay $150 for an essentially brand new replacement.
This might be a stretch for an old Mac forum, but would anybody be able or willing to help me in this endeavor?
By the way, we should probably continue this discussion in the Lounge or someplace where it's at least somewhat relevant .
c
So, then it's conceivable that our Windstar's ECU has some bad caps in it, leading to it's occasional erratic behavior.
I checked, and a new re-manufactured ECU is $150 for this particular model, year and engine combination ('98 Limited with 3.8L V6), so I could try fixing it up, and if I goof (and I seriously hope I don't!), we only have to pay $150 for an essentially brand new replacement.
This might be a stretch for an old Mac forum, but would anybody be able or willing to help me in this endeavor?
By the way, we should probably continue this discussion in the Lounge or someplace where it's at least somewhat relevant
.c
I got my PB 100 working today!!
I made careful use of the hair dryer and I got it to boot off an external drive.
I made careful use of the hair dryer and I got it to boot off an external drive.
i just replaced the caps in my screen.
my screen is crap with liquid crystal issues, but i needed to get in there and do the re-cap just so i could get an idea of how it would go.
Basically I soldered on radials and bent them over so they all line up nicely.
As more of an FYI, with the 100 being the next in line after the Portable it was the next obvious culprit to fall to leaky caps and I've seen them dropping like flies for several years now as well to they point where they are now in line with the portable, SE/30 and IIci to be recapped on sight, no exceptions.
ok so this is my current status with my 3 powerbook 100's
I replaced only the 1uf and 10uf caps on Two
On the third one I noticed the (4) 47uf ones were leaking so i changed only those as well as the 1uf and 10uf caps.
All 3 had hard drives, one had 80mb IBM, The other one, Quantum GoDrive 80mb, Connor 20meg for the last one.
I was able to take apart and fix the Quantum hard drive, it was suffering from the Stiction issue, Used some Acetone and some paper towel to carefully clean up that liquified rubber goo, and lubricated the R/W arm bearing.
Made sure to blow off any specs of dust before i closed it up… and wow it works. MacOS 7.1 was installed.
I have one PB100 that is complete all together, /w Working HD. /w Re-capped screen, has Dime sided blotch on the LCD.
The other 2 PB100's
1 - Boots with quiet mac tone, gives no video.
1 - Doesn't turn on, just acts completely dead. Fuse is good.
( Even though it looks like none of the other caps are leaking, I should change them anyways at-least for these 2 troubled powerbooks.
All 3 LCD screens work, All 3 LCD Screens have roundish dime sized blotch in the upper middle of the screen, might be a common issue for these?
I replaced only the 1uf and 10uf caps on Two
On the third one I noticed the (4) 47uf ones were leaking so i changed only those as well as the 1uf and 10uf caps.
All 3 had hard drives, one had 80mb IBM, The other one, Quantum GoDrive 80mb, Connor 20meg for the last one.
I was able to take apart and fix the Quantum hard drive, it was suffering from the Stiction issue, Used some Acetone and some paper towel to carefully clean up that liquified rubber goo, and lubricated the R/W arm bearing.
Made sure to blow off any specs of dust before i closed it up… and wow it works. MacOS 7.1 was installed.
I have one PB100 that is complete all together, /w Working HD. /w Re-capped screen, has Dime sided blotch on the LCD.
The other 2 PB100's
1 - Boots with quiet mac tone, gives no video.
1 - Doesn't turn on, just acts completely dead. Fuse is good.
( Even though it looks like none of the other caps are leaking, I should change them anyways at-least for these 2 troubled powerbooks.
All 3 LCD screens work, All 3 LCD Screens have roundish dime sized blotch in the upper middle of the screen, might be a common issue for these?
Is it in the approximate location of the trackball? its possible something VERY heavy was sat on it causing the screen to slam into the trackball.
yeah! man. well in that case, one day i would like to find a screen that is not all screwed up...
i dont know why the seller would have screwed up all 3 screens like that.!>!>!>!
i dont know why the seller would have screwed up all 3 screens like that.!>!>!>!
Techknight, excellent thought, never would have come to mind if you hadn't mentioned that. I always wondered about trackballs and screen damage. Guess that answers that.
sure enough, the track ball is right in that same area.