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thank you guys for suggestions, will try to focus on these 4 caps esp. C4 and C6.  Havent replaced large axial caps yet (should I?).. just all the SMD caps. 

Congrats on this Mac, the prices of these 128k Macs are so beyond my budget!  

Hi,  I am trying to revive my old SE/30 after capacitor goo disaster, which took its graphics and sound. It was cleaned and recapped.  Had to replace UE8 and the display was brought back, now I want to do something with a sound. Initially it used to give me a startup sound, then the sound...

thank you for this suggestion techknight, strangely fuse seems to be ok. Gave this Plus a ride to a repair shop, maybe they will find the cause.  Will keep this topic updated. 

thank you Elfen, today I gave it a closer look and see what I found, cracked two 4.7uF x2 capacitors. Might be more damaged parts. 

hi guys, I got this Macintosh Plus with non bleeder type FBT. Completely dead, no signs of life..NADA.  It had a nasty battery spillage which got outside its compartment and corroded metal frames, luckilyy no visible damage to the logic board. That battery goo affected analog board as well...

I would look around for old or possibly damaged 386/486  motheboards with "short simm" slots.

thank you Unknown_K, need to try them! this site rules btw 

Hi, spotted this card in one SE/30 I could buy, but the problem is I cannot find any drivers online..any idea? thanks charlie

it's back again, random slowndowns, simasimac stripes, non working sound despite new caps! Will try to wash mobo instead of cleaning with IPA, then will try again. 

ok turning brightness down seems to solve the problem, need to fiddle with cutoff.

Hi, I can hear really weird SE/30 sound, like radio interference noise, it corresponds with clicking mouse button, but can also be heard as independent noise without any use of input device. What do you think it is? Motherboard has SMD caps replaced. 

another one saved from dumpster! Replacing video board did the trick. I suspect the old one is gonna work after continuity fix.

Anyone tried upgrading their 1 MB Dove MacSnap to the fullest (2 MB)? Do you thinks it's possible to do? Found interesting piece of advice from 1987... link "I called Dove Technical department to ask them about doing that, and the first time they tolled me that all I had to do was:            ...

do you guys think that you usually  need  a new optocoupler (isolator) after Classic II recap? 

excellent find! 

here's update. You need to self-extract to hard disk instead of floppy, save it as "disk1", then run Disc Copy 4.2, open image (disk1) and copy it to floppy. Works great! 

Hi, I am clueless what's wrong. I am trying to create System 6.0.8 floppies using my 4 MB Plus with external hard disk running System 6.0.3. I did transfer 4 self-extracting files  (SSW System 6.0.8 disk 1-4. sea 800k version), they worked perfectly with my Classic II, which no longer works...

do you have an access do Windows PC ? I used TransMac to copy self extracting archives (.bin?) to floppy and funny thing is they were visible as executable files on Mac side.  The only problem might be 800k limit. 

Problem solved. Removed R8 resistor "256k bit memory" and used 4 x 1 MB memory chips (instead of 256 kB ones). Works smoothly!