Randall Commander 1 (rg120-115)

[ToadMeister]

Searched the net, found a link finally, but it was broke!
So I joined the schematic together with GIMP.
Here it is:

[J M Fahey]

Thanks Toadmeister    

[ToadMeister]

I am hoping having One page to work with rather than 2 halves with overlapping components to join by eye will help someone.
So...I fixed that, now to fix my amp......when the spirit of Juan Valdez takes over my bloodstream and brain.

[DrGonz78]

Also +1 for using GIMP, great program!! 

[ToadMeister]

Quite versatile, not just for art, but for manipulating too.

[ToadMeister]

I took the original pic (would be nice if this person who took the pic could scan a better copy, but this was a pic just to say, "I got this with it")
Then I GIMP'ed it as well.
It was the best I could polish this turd within my time constraints.
A lot of noise in my 'enhancement', but maybe it will speed up continuity testing.

If someone can provide a better copy, it would be greatly appreciated if you could post it here.
Thanks
PS Is that a pelican in the upper middle?

[Boprikov]

Thank you ToadMeister! I have an orange stripe Randall 120H. It is in good condition, but nice to have a schematic. 

[ToadMeister]

Working on a better PCB schematic, may as well, since I'm probing continuity.
Trying to label components, and add lines, colour schemes.

Will I finish, probably not, should just lift the board, flip it, check for bad solders, take a pic, flip the pic, and draw components on the pic?
I really don't want to lift the board, then I will worry about stressing other wires, and break solders.
I'll just keep probing, it just helps to know where to go, luckily with a flashlight a lot of the copper foil lines are easy to see.

By the time I fix this rig, I'll probably be able to build my own amp.

Going to do some major probing on my days off.

[blackcorvo]

There's this japanese website that increases the resolution of pictures (I guess it's one of those "machine learning algorithm" deals at work). Here's a link if you wanna check it out: http://waifu2x.udp.jp/index.html

Attached goes the image after going throught the process, with 2x the original resolution. It's not perfect, but it makes it easier to see the traces, hopefully.

[amplitech]

3 years on I send you thanks, ToddMeister, for the schematic. I have a Commander IV to repair.