Skip to main content
Search titles, bodies, and author names
Found 10,868 posts across 1 forum.

PowerBook 190 strange behavior — #23

techknight said: It is not advisable to use ceramic capacitors in DC-DC switching circuits to replace electrolytics. Tantalum is ok.  - - - - - - - - - - Also, you dont han…
68kMLA Hardware by Elfen Mon, 18 May 2015 - 22:03

TAM — #17

I'm pretty sure that it's a 5500/6500 Logic board
68kMLA Hardware by 360alaska Mon, 18 May 2015 - 22:03

TAM — #16

thanks haplain - will do the vinegar.........jasus im gonna stink!!
68kMLA Hardware by falen5 Mon, 18 May 2015 - 21:05

TAM — #15

Hello, I'm not sure able acetone. I do know that vinegar will neutralize the acid but not entirely sure about acetone. I would do vinegar and water mixture (50/50) then rinse with…
68kMLA Hardware by haplain Mon, 18 May 2015 - 21:02

TAM — #14

thanks for the reply haplain. - im going to clean the whole board then recap it. - I read somewhere that when you wash  the board in acetone in stops any futher decay from the …
68kMLA Hardware by falen5 Mon, 18 May 2015 - 20:56

TAM — #13

The card with the heat sink is a Sonnet 400Mhz accelerator. They are quite rare. They came in 300/400/500Mhz. The 500's are really tough to find.  I would clean that ROM slot but …
68kMLA Hardware by haplain Mon, 18 May 2015 - 20:52

TAM — #12

just had a good look at the main board with my magnifying glass - on the back of the board there is corrosion but I don't see any compoinents missing. Will have to go very very eas…
68kMLA Hardware by falen5 Mon, 18 May 2015 - 20:38

TAM — #11

got it apart lads. - found a great guide online - heres what the bones of this tam looks like - its not good!!! - see the green INSIDE the rom slot -aaarrggghhhhh!!!! - aga…
68kMLA Hardware by falen5 Mon, 18 May 2015 - 20:28

TAM — #10

Nice find! I'm sorry to hear about the corrosion, though. It might be repairable, but in the worst case, if you need a new logic board, I think like 360alaska said, you can get on…
68kMLA Hardware by CC_333 Mon, 18 May 2015 - 19:32

TAM — #9

That's the button, If you end up needing a logic board I believe there are a few that will swap in... Also, is that a G3 cache slot accelerator? those are pretty rare!
68kMLA Hardware by 360alaska Mon, 18 May 2015 - 19:29

TAM — #8

ok - have to have a go at this thing so - is it true that acetone neutralizes the acid decay? - plan on talking out the board and washing the bejasus out of it with acetone - …
68kMLA Hardware by falen5 Mon, 18 May 2015 - 19:18

TAM — #7

I don't think the TAM is impossible to fix. But I bet the back of the board is a mess.
68kMLA Hardware by TheWhiteFalcon Mon, 18 May 2015 - 19:10

TAM — #6

ah jasus nooooooooooooooo - looking at those pictures I can see green on all the via's under where the battery was - noooooooooooooooooooooooooooooooooooooooooo
68kMLA Hardware by falen5 Mon, 18 May 2015 - 18:59

TAM — #5

hi 360 alaska took a few pics of the mainboard is the reset button the one outlined with the white line Got a bad scare when I first looked inside this....the harddrive was half…
68kMLA Hardware by falen5 Mon, 18 May 2015 - 18:57

TAM — #4

Congrats on your TAM find Of course it will probably need caps...Did you try the reset button on the logic board?
68kMLA Hardware by 360alaska Mon, 18 May 2015 - 18:43

TAM — #3

what a score................I got me a TAM baby!!!!!!!!!!!!!!!!!!!...............Oh happy day - The tam is not working..........I know nothing about them. - took off back cover…
68kMLA Hardware by falen5 Mon, 18 May 2015 - 18:22

TAM — #2

oh.........here is the other yoke I picked up ------------- .....................
68kMLA Hardware by falen5 Mon, 18 May 2015 - 18:19

TAM — #1

How we doing people Spent yesterday galavanting all over the country ... did 300 miles - and it resulted in the following finds - a mac classic 2 and Toshiba laptop and a zeni…
68kMLA Hardware by falen5 Mon, 18 May 2015 - 18:18

PowerBook 190 strange behavior — #22

Too bad you "HAD" that 5300, Bibilit. Not only is there problems with the power connection on the 190/5300 but sometimes when the battery leaks, the PSU Area (under the trackpad) i…
68kMLA Hardware by bibilit Mon, 18 May 2015 - 08:50

PowerBook 190 strange behavior — #21

{ "lightbox_close": "Close", "lightbox_next": "Next", "lightbox_previous": "Previous", "lightbox_error": "The requested content cannot be loaded. Please try again l…
68kMLA Hardware by uniserver Mon, 18 May 2015 - 07:04
mp.ls