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MAX 5073
Super Bass System
TROUBLE SHOOTING
Before removing your Amplifier, refer to list below and follow suggested procedure. Speakers and
their wires should be tested first.
No Output:
a. Confirm that all terminal strip connections are firmly connected.
b. Check in-line and built-in fuses. Both “+12V” and “RMT” terminals must have +12Volts to chassis
ground.
c. Confirm that signal source (Car Radio/Deck, EQ, X-over etc.) is connected and is supplying output
signal.
To confirm that the Amplifier is working, connect an RCA patch cord to LEFT & RIGHT low-Level inputs
of Amplifier only (Do not connect the other end of the patch cord).
Briefly tap the center pin of each (disconnected) RCA plug on the other (disconnected) end with y
our
finger
. This should produce a noise (feedback) in the speakers.
Only One Channel Works:
a. Confirm that speaker terminal strip connections are firmly connected.
b. Check “BALANCE” control on Car Stereo (or signal source) to verify is at mid-point.
c. If using RCA Low-Level inputs, reverse the input plugs at the Amplifier (right to left or vice versa).
If the channel that is silent reverses position, the problem is in the Car Stereo(EQ, X-over, or other
signal source) or connecting cable.
Weak Output
a. If noise is a “whine” that goes and down with engine speed, confirm that Amplifier and any other
source unit (Radio, EQ, X-over etc.) is properly grounded.
b. A “clicking” or “popping” noise at a rate that follows engine speed is generally induced by the vehi-
cles ignition system.
Confirm that the v
ehicle is equipped with resistor plugs and plug wires. Or, ignition system may need
service.
c. Speaker and input wires should not be routed next to wires that interconnect lights and other
accessories/equipment.
d. If above steps do not improve/clear noise interference, the system should be checked by a profes-
sional mobile audio installer.
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