JBL MPS-1000, Руководство по обслуживанию, Страница: 6 / 29

SYMPTOM LIKELY CAUSE SOLUTION
POWER LED is not lit. Fuse is blown. Fuse should be replaced.
Head unit is not Check remote voltage, and power,
functioning properly. ground or remote connections. The
MPS1000 is designed to shut off if
the battery voltage falls below 10V.
This is to ensure that your battery
isn’t completely drained. Charge
the boat’s battery.
POWER LED is lit Inputs are not connected. Check connections.
but there is no bass.
Head-unit fader control Adjust head-unit fader control to
is not set properly. feed audio signals to the MPS1000.
MPS1000 sounds Gain control is set too high. Readjust GAIN control (see “Tuning
muddy or distorted. the MPS1000” on the previous page).
Bass Boost is set too high. Readjust BASS BOOST control
(see “Tuning the MPS1000” on the
previous page).
Head-unit output is
distorted or blown.
MPS1000’s POWER LED When speaker-level connections
remains on after head are used, this is normal operation.
unit is turned off. The MPS1000 will remain on
another few minutes after
sensing that audio signals are
not present before shutting down.
A valid serial number is required for warranty coverage.
Features, specifications and appearance are subject to change without notice.
TROUBLESHOOTING
MPS1000 Subwoofer
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