Jensen XA4200 - Troubleshooting

XA4200,XA4300
JENSEN
lkoubleshooting
Problem Corrective Action
Repair wire or connections.
Check connections to radio with test light.
Amplifier does not operate
Ipower LED not on) when
/chicle and radio are on
No power to +12V terminal
No power to remote wire with radio on
Fuse blown Check fuse.
J
?adio volume needs to be
urned up too high for amp
o work
Input level control adjusted too low Adjust input level control.
3adio volume is too sensitive
sound from only one speaker
Input level control adjusted too high
Defective speaker
Adjust input level control to lower setting.
Replace speaker.
Poor connections to speaker (wire) Check connections.
RCA input cable defective Replace cable.
I
Separate speaker wires and insulate.
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Reroute RCA away from main power wires.
I
Input level control adjusted too high
Speaker wires shorting together
Power wires hooked up incorrectly
Speakers blown or defective
sound distorted
Ingine noise
Ignition noise/static or
Alternator whine)
Improper ground connections
Ground loop(s)
Reroute RCA cable.
Make sure amp is grounded to a clean, solid part of the chassis/frame.
I
‘rotect light comes on/
amplifier shuts down
Let amp cool down before attempting to turn back on (some installations may
require a fan to keep the amp cool, especially if you are driving subwoofers with
the amp).
Check speakers and/or crossovers for loose or bad connections.
Faulty speaker connection and/or
crossover
Low battery voltage Make sure you are getting between 10.8-15.6 volts to the amplifier with a digital
multimeter measured at the amplifier.
If you are using 4 ohm speakers you cannot have more than two speakers wired
in parallel per channel. Amp will not operate into 2 ohms bridged.
Speaker impedance less than 2 ohms
per channel
lo output on channels Speaker wires not connected to
speakers properly
input hooked up incorrectly
Refer to pages 6 - 9 for proper installation.
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