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Owner's Manual
Operating the 860A
We recommend leaving your 860A powered up at all
times to maintain optimal performance. When you plan
on being away for a few days, it may not be a bad idea
to power off your amplifier. Please keep in mind that
once fully "broken-in", your
hours
of
operation
performance after powering it up again.
Turning on your MOON 860A for the first time
Prior to turning the amplifier on for the first time, make
sure that every cable is properly connected to avoid any
problems. Then turn on your preamplifier connected to
the 860A. Flick the main rocker switch, located on the
rear panel, labeled "POWER" to the '1' (on) position. The
blue LED on the front panel will blink for up to 10
seconds while it achieves standby mode. When it stops
blinking and is not illuminated, your 860A is in standby
mode. Next, briefly press the push button labeled
"Standby" located on the front panel. You will hear a
very faint click sound confirming that everything is in
order. The blue LED on the front panel will illuminate,
indicating that the 860A is now powered up and ready
for use.
On and Off Sequence
To avoid having any annoying noises (ie. "thumps" and
"pops") emanate from your speakers when powering
your 860A on or off, you should always power up your
preamplifier prior to powering up your 860A. As well,
always power down your 860A prior to powering down
your preamplifier.
____________________________________________________________________________________
860A requires several
before
reaching
optimal
Troubleshooting
The blue LED located on the front panel also indicates
the operational status of your MOON 860A Dual-Mono
power amplifier. When the LED starts blinking on and
off during use, the circuitry is either over-heating or has
detected the presence of DC in the input signal:
Left Channel DC protection ................ LED blinks 2 times
Right Channel DC protection ............. LED blinks 3 times
Left Channel Over-heating .................. LED blinks 4 times
Right Channel Over-heating .............. LED blinks 5 times
Unknown Problem ................................. LED blinks 6 times
Your MOON 860A is a "smart" power amplifier
equipped with a self-diagnostic system that will
automatically shut itself down when it detects DC
(direct current) from any input. If your 860A power
amplifier turns itself off or will not power up, there may
very well be DC present in one (or more) of the
amplifier's inputs coming from one (or more) of your
preamplifier/processor's outputs or connected source
components. You must determine if there is any DC
present. The best way to accomplish this is by first
powering down the 860A via the main power rocker
switch, then physically removing all inputs to the 860A
leaving only the speakers connected. Attempt to power
up your 860A again: A successful power up will indicate
the presence of DC coming from your preamplifier or
one of your signal sources (ie. CD Player).
If your 860A still doesn't power up, turn off the main
power switch and check the AC fuse. If the fuse appears
OK, put it back in its socket and then try to power up
again the usual way. If the fuse is blown, replace it with
a fuse of the same rating, and repeat the above process.
At this point, you should be able to power up your
860A.
If not, immediately consult your dealer for
assistance.
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