Bedienungsanleitung Kicker zx 650 4 (Seite 6 von 28) (Deutsch, Englisch, Französisch, Spanisch)

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ZX AMPLIFIERS

TROUBLESHOOTING

If your ampliﬁ er does not appear to be working, check the obvious things ﬁ rst such as blown fuses, poor or

incorrect wiring connections, incorrect setting of crossover switch and gain controls, etc. There is an illuminated

red badge on top of the ampliﬁ er denoting the power state of the amp in addition to the Protection LED on the

end panel of your KICKER ZX series ampliﬁ er. When the red badge is lit, this indicates the ampliﬁ er is turned on

and the ampliﬁ er is functioning properly.

RED Badge Light off, no output? With a Volt Ohm Meter (VOM) check the following:



+12 volt power

terminal (should read +12V to +16V)



Remote turn-on terminal (should read +12V to +16V)



Check for

reversed power and ground connections.



Ground terminal, for proper conductivity.



Check for blown fuses.

RED Badge Light on, no output? Check the following:



RCA connections



Test speaker outputs with a

“known” good speaker.



Substitute source unit with a “known” good source unit.



Check for a signal in the

RCA cable feeding the ampliﬁ er with the VOM meter set to measure “AC” voltage.

Protection LED ﬂ ashing with loud music? The red LED indicates low battery voltage. Check all the

connections in your vehicle’s charging system. It may be necessary to replace or charge your vehicle’s battery or

replace your vehicle’s alternator.

Protection LED on, no output?



Ampliﬁ er is very hot = thermal protection is engaged. Test for proper

impedance at the speaker terminals with a VOM meter (see the diagrams in this manual for minimum

recommended impedance and multiple speaker wiring suggestions). Also check for adequate airﬂ ow around

the ampliﬁ er.



Ampliﬁ er shuts down only while vehicle is running = voltage protection circuitry is engaged.

Voltage to the ampliﬁ er is not within the 10–16 volt operating range. Have the vehicle’s charging and electrical

system inspected.



Ampliﬁ er will only play at low volume levels = short circuit protection is engaged. Check

for speaker wires shorted to each other or to the vehicle chassis. Check for damaged speakers or speaker(s)

operating below the minimum recommended impedance.

No output from one channel?



Check the balance control on source unit



Check the RCA (or speaker

input) and speaker output connections for the channel



Swap the RCA (or speaker input) cable from left to

right. If the problem changes sides then you have a bad RCA (or speaker input) cable or source unit problem.



Swap the speaker output wire from left to right. If the problem changes sides then you have a bad speaker

cable, passive crossover network and/or speaker.

Alternator noise-whining sound with engine’s RPM?



Check for damaged RCA (or speaker input) cable



Check the routing of RCA (or speaker input) cable



Check the source unit for proper grounding



Check

the gain settings and turn them down if they are set too high.

Poor stereo image or reduced bass response? Check system phasing by turning the balance control from

left to right. If there is more bass output when turned to either side, then check your speaker wiring, passive

crossover networks and speaker terminals for proper positive and negative connections. Reverse a speaker

connection from positive to negative on the stereo/subwoofer channel(s); if the bass improves, the speaker was

out of phase.

No Fader? When using both sets of low-level (RCA) or high-level (speaker wire) inputs, the fader button must

be pushed in.

Ground Noise? KICKER ampliﬁ ers are engineered to be fully compatible with all manufacturers’ head units.

Some head units may require additional grounding to prevent noise from entering the audio signal. If you are

experiencing this problem with your head unit, in most cases running a ground wire from the RCA outputs on the

head unit to the chassis will remedy this issue.

Please Note: Modern high performance speakers have a lower DC Resistance than what used to be available.

The KICKER Coaxial and Component speakers are rated at four ohms (some DC Resistances may be as low

as 3 ohms) and work with any ampliﬁ er designed to operate at a four ohm load. If you want to use two KICKER

Coaxial or Component speakers on a single channel of your ampliﬁ er, wire the speakers in series. This will

improve the sound quality, lower the total harmonic distortion and lessen the thermal load at the ampliﬁ er. This

may prevent an ampliﬁ er from shutting down due to over-current protection circuitry.

CAUTION: When jump starting the vehicle, be sure that connections made with jumper cables are correct.

Improper connections can result in blown ampliﬁ er fuses as well as the failure of other critical systems in the

vehicle.

2011 ZX 350.4 650.4 RevC.indd 62011 ZX 350.4 650.4 RevC.indd 6 11/5/2010 1:13:56 PM11/5/2010 1:13:56 PM

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