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Home▸ Forums▸ 68kMLA▸ schematic for Color Classic analog board? — #3
Post #3 by mraroid
Source Forum68kMLA
CategoryHardware
Post DateTue, 26 May 2015 - 20:39
Original URLhttps://68kmla.org/bb/threads/schematic-for-color-classic-analog-board.2012/
Post
Gez!  How can I or anyone figure out a *real* 640 X 480 mod for the Color Classic then?  I think if i understood the analog board, I could beef up some components and make a safe upgrade with out over driving anything past it's designed parameters.

Someone must have drawn one out to do the Hi Rez and the VGA upgrade.....

I love my Mac equipment, but I have to say I think the Color Classic service manual is crap.  It looks like it was made for children.  No schematic.  How do I stick my 'scope or VOM into it and look at a schematic and figure out how to trouble shoot it?

Is all of this because of proprietary stuff in the early days of computers?  Did Apple not want anyone to steal it's designs so none of this stuff was ever published?

I mostly work on old time 1930s-1950s vacuum tube amps and old radios. Schematics were usually stuck in the amp or radio so if you ever needed to fix them, you have a schematic in front of you.

Perhaps early computer stuff was secret...... I admit to not knowing this computer world.

Woops!  I see I have gone into rant mode.  Apologies all around.  Please forgive me.

I still wish I had a analog board schematic.

jack