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I have a 002r which I bought when they were new. I've never had much trouble with it and find it quite flexible for my needs. I also make use of the ADAT I/O for 8 more ins and outs. The 003 is newer and costs more but didn't add any features that made any difference to me. More of a visual...

Microslav - I can confirm the grounding wire does in fact connect back to the umbilical power cord. The M3700's PSU, different from the M3500, has a 3 pin power connector and it's getting to it's final ground through there. I spent several hours with a friend today going over the console and...

Extra Wires... It looks like the extra wires are indeed for grounding. I posted a couple pictures in post #11 and I've finally had a chance to strip the board of all it's modules and get a better look. For frame a reference, the extra wires come out on the left of this shot and go under a bar...

Nice looking place Rick. Looks comfortable and that hinge certainly looks well engineered! :) Miroslav: I believe it is a grounding mod. I'll try and get some better shots tonight. The wires are hand soldered to the underside of the PCB that has the master busses on it. It's the module that has...

Interesting about your meter bridge, mine also says M3500. In all of my googling, whenever I found a picture of an M3700 large enough to read the text on the bridge...it says M3500. Easy to tell from looking at the boards though that they are M3700s.. hard to miss the extra section filled, with...

Did I mention how excited I was :) Anything M3700 related gets my complete attention.. when I see the emails notifying me of new post.. I dash over to the site. The Macintosh LC arrives Monday and I should have an Opcode interface by then as well. Even on a Mac from 1995 I can't run the M3700...

Don't be too jealous (yet) Rick. You need special (Read: Epically old) hardware to make it work. None of the Macs I have kicking around are able to run the software. I broke down and ordered a 'Macintosh LC' from ebay which, according to the Manual, will run it. I then had to find some Opcode...

I've been really enjoy the boards here and it'll take a lot more to embarrass me than posting the wrong doc :) I have the full Tascam M3700 manual in it's binder and have scanned all the 8.5x11 pages and am thinking about getting an 11x17 scanner to handle the rest... 'Cause, obviously, there...

I'm a n00b... When I said this was my first refurb project.. I wasn't kidding! :) I've attached the Schematic to this post but who knows what the forum software will do to it! Happy to email it along.

You don't need more RAM in your system though, as with most things related to graphics, more graphics RAM on your graphics card is helpful. Unless you are working with video while working with audio, don't worry about it. I've been running dual monitors since the early 2000s and even with those...

Interesting Modifications... More work on the board... I'm growing increasingly hesitant of powering the board on both with the troublesome PSU and the M3500 PSU. None more of that until the proper supply is working. I needed to get some troubleshooting done, which I did, now it's time for...

BRDTS, are you suggesting any 68030 Mac will work? The App seems to run even on my Powermac Blue and White G3 but gives me the '2 color or 2 grey' error. I thought perhaps the trick would be to make a Mac reduce it's display way.. way down. Even under OS9 the app starts. Perhaps it's more...

Quick Update: I have reloaded all the M3700 modules back into the console and still no fuse popping issues on the M3500 power supply. That being said the board is misbehaving quite a bit on that power supply. I'm not going to worry too much about it until the M3700 PSU is in good condition...

Miroslav, I didn't know they existed until now! I'll be keeping my eyes out for them as well.. though I suspect automatable modules will be quite rare indeed... BRDTS, Thanks for all the info! I have copied the program from the floppy to my storage server which is backed up offsite. Not going...

JL Cooper PRO3700 Automation Addon As mentioned above, my M3700 has the optional JL Cooper Automation addon. JL Cooper was the maker of the automation system installed on the board when you bought it from the factory but JL Cooper also sold an addon module that could be plugged into the...

This is awesome and such a great simple idea. Nicely done! I wonder if a sealed Tupperware in the trunk of my car would also be effective.. more abrasive I suspect.

Arg... closed the wrong window. Here goes again! The two power supplies are nearly identical. The M3700 and the M3500 share the same PCB. The M3500 is missing the top row of Caps and all the electronics attached to F6, which is the rail for the automation computer. In addition, F1 and F2 are...

Troubleshooting - Step 1 With the board home it was time to start to narrow down what the issues are. I stopped off and picked up a heap of the fuses that kept blowing, 5A slowblow, and cracked open the power supply. I swapped in a new fuse, wired the board to the PSU and pressed the power...

Well, here goes! I've recently acquired a broken Tascam M3700 which I had planned to use as spares for my (mostly) working Tascam M3500 but, with some urging from the the board here, I'm instead going to try and repair the M3700 to it's full glory. Feel free to read up on how I got here: Refurb...

I'm so impressed! These all look great! This last one is perfect for one of my computers with 16:9 screens on it. The other images were getting cut off at the bottom where it says Tascam. I could have stretched or warped the image.. but no one likes that. :) Nice work Jeff! Robert