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O/T Electronic Again; Verify My Thinking?

A

Allan in NE

Well-known Member
Oh Man!

This has been my month for electronic troubles! :>(

Problem: OLD (20 years) Roland guitar synthesizer, when I powered up the other morning, got a message that the CMOS battery was dead.

Okay, fine. I run to town and get another CR2032 battery. But, like the dummy I am, I didn't power the thing up before I made the switch.

Now, all I have is gobblety-gook on the screen. Lost all the settings and this little guy is totally lost!

This thing is nothing more than a dedicated-use motherboard, but is so old that it has no user re-inilization feature.

Seems to me that I used to fix those old modules (electric pianos and sound modules) by lifting the IC chips out and then reinserting so that they would then go search for the original BIOS settings from the BIOS chip on power up.

They would then fire up just like the day they left the factory.

Make sense?

Really don’t wanna send this thing back to the factory or buy another; they still fetch $300 used. :>(

Allan
 
Could you repeat the question Allan ????

Im draggin my 5 string ODE to one of our local amateur acoustic Bluegrass Jams later today, I'll ask the Banjo n Mandolin pickers, but hey DONT HOLD YOUR BREATH WAITIN FOR THE ANSWER they may throw me outa the jam for askin.

I done been told if anyone calls out "The Wildwood Flower" in a key OTHER THEN C they will be thrown out and likewise, if anyone calls out "Ragtime Annie" or other similar Fiddle Tunes in a key OTHER THEN D they will be tossed out

And another Banjo picker has already threatened to throw me out claiming Banjo Pickers already have a bad enough reputation and now LAWYERS (like me) are showing up lol

SO IM AFRAID TO ASK YOUR QUESTION LOL

Good Luck, Im sure some of the techy or puter Nerds here can help ya, Im decent on Tractor DC Electricals but its been tooooooo long for me and old BIOS stuff

John T Banjo picker Wannabee in Indiana
 
I used to work on Roland keyboards twenty years ago. The battery should have affected only the volatile RAM which was typical design prior to flash memory. It might be worth a Google search or a call to Roland to see if there is reset command by power cycling with certain switches held down.
 
No, already tried that.

This thing was built in 1988, back before the "reset" feature. Think what is on the ROM is on the ROM and that's just it.

Oh heck, it ‘tain't workin' noway.

So, I'm gonna yank that IC and see if I can get 'er to look back on herself to find her pre-designated function in life. :>)

Allan
 
Alan, google synth zone and in the upper bar there is a Roland area where there are downloads of manuals, hope your model synthesizer is covered. mEl
 
You lost me early on between the words Oh, and Allan

Hope ya get er fixed Buddy... Miss yer music,
 
Hello Allen,
If it is a cmos system, instaling the new battery should have lost only the changes.
The chip you are talking about is what the machine looks at to boot the defaults.
I'm not sure how your system does the basic cmos changes?
The system should power up and set the default settings. I would take a good look and see if you may have lost the ground somewhere. I just had a brand new 2032 that tested bad, it may not be your problem though.
You can give it a quick check, new battery should test 3.1 volts or higer.
Guido.
 
Hmmmm, Okay.

This little "screen" is only 'bout 1/2 inch by 2 inches. Just tells ya what is going on with the synth.

'Member years ago, would have those sound machines that would, for whatever the reason, get "lost" and would just readout jibberish on the screen.

I'd open 'em up, go in there and lift those IC chips, plug 'em back in and the machine would then find itself on the next powerup.

Gonna give 'er a try anyway. :>)

Thanks,

Allan
 
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