Open it up, and using a small flat head screwdriver, pry up each IC gently a few millimetres away from the IC holder, then press it down. (This is called re-seating the IC)
This works the contacts on the IC holder, and can help fix up a poor connection between the IC and it's holder.
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EII's are "notorious" for needing it's IC's reseated. Mine had a very similar problem, and this fixed it up immediately.
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Obviously, do this WHILE THE MACHINE IS OFF AND UNPLUGGED.
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It could be a problematic SSM IC, or many other things, but I'd start with the above.
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Regards
Mike
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�Hi,
I have an Emulator II+ with an intermittment error on Channel 4. When the error occurs, you can play 7 notes in a row, the 8th note you play doesn't sound, and so on. I know it's a channel 4 error as I can use the channel disable function to turn off channel 4 and this makes the error go away reliably.
The intermittment aspect is that the machine never shows this error from cold, but will sometimes develop it after an hour or so of use. Turning off and on does not solve it. But leaving the machine off for about hour does. This is pretty reliable - in the sense the machine has developed the error several times and it always goes away again. It seems like heavy disk usage might be what precipitates the error -although not sure, and that might just be because of PSU load?
My guesses so far are:
1. An intermittment fault on channel 4 - perhaps the SSM chip? (I note that the machine has one channel - not the faulty one - has an SSM chip with a different MCE code, so perhaps one has been replaced already?
2. Some kind of power supply problem (due to this only happening when the machine is warm).
But you guys know a lot more about this machine than I do. Any thoughts or advice would be much appreciated.
Best
Andy
P.S. Also trying to source the main board for the EMUCOMBOX project, but no stock in the UK at the moment (I see others have a similar problem).
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