Ibanez SDR1000 reverb trouble

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Crash

Well-known member
Joined
Nov 10, 2004
Messages
85
Location
Texas
A buddy if mine has an Ibanez SDR1000 reverb, which was really made by Sony for Ibanez I believe. Anyway, after it warms up, it starts to scroll through presets all on it's own. Anyone familiar with this unit or this type of problem? I have no schematics for it as I think these things are about 20 years old now. Thanks.
 
Put a scope on the supply that powers the logic (usually +5V, but I'm not familiar with that particular unit) and see if it wigs out as the unit warms up.

I don't like troubleshooting digital circuits; but when I have to, there's a mnemonic taught to me by an old boss that serves me well:

"People Get Really Crazy Sometimes"

Power
Ground
Reset
Clock
S......sssssomething I don't remember, because I've usually found the problem before I get that far down the list! :wink:
 
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