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Alesis BassFire 60 Service Manual page 14

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1. Unit does not fuction.
Unit not plugged in
NO
Fuse is blown
NO
Check DC voltage
+/-15V, 5V,3.3V
normal or not
NO
Fix the voltage
problems.
OK
DONE
YES
Make sure the power
is plugged into a
proper AC outlet.
YES
Replace with proper one
ON
Check the winding of
transformer short
circuit or not
NO
Filter capacitor and/or
POWER TRANSISTOR
short circuit or not
NO
Fix the voltage
problems.
OK
YES
Change with
proper one
OK

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