20
TROUBLESHOOTING
ME Amplifiers Melbourne, Australia
Yes
Yes
Yes
Yes
No
Note 1
No
No
No
Hum or Buzz Problems
Inspect all input leads (interconnects) between the ME580
and the preamplifier and between the preamplifier and all
program sources for signs of damage along their length and
also check for loose connections at the plugs. Check that all
interconnect plugs are fully inserted into the sockets on the
ME580, the preamplifier and all program sources, and that
the plugs are not loose in their sockets.
See Note 1
Repair any faulty or
suspect input leads or
replace with known
good ones.
Is hum or
buzz still
there?
Disconnect all input
leads from the ME580
Consult ME Dealer /
return amplifier for
repair
See Note 1
Reconnect all input leads to
the ME580 and disconnect all
input sources from the
preamplifier
Preamplifier seems
to be faulty. Consult
ME Dealer for advice
/ arrange repair as
necessary.
Is hum or
buzz still
there?
Reconnect input sources one
at a time to determine which
source is faulty. Consult ME
Dealer for advice / arrange
repair as necessary.
Is hum or
buzz still
there?
See Note 1
See Note 1
Are all leads OK?
Before disconnecting or reconnecting input
leads, turn power off and allow amplifier to
discharge for at least 1 minute.
