12
TROUBLE SHOOTING
Read this if you want to be a do-it-yourselfer.
PROBLEM
CAUSE
SOLUTION
No LED indication
No+12V at remote connection 12V to terminal
No+12V at Power connection 12V to terminal
Insufficient ground connection Verify ground connection
Blown power fuse Replace fuse
LED on, no output
Volume on head unit off Increase volume on head unit
Speaker connections not made Make speaker connections
Gain control on amplifier off Turn up gain
Signal processing unit off Apply power to signal processor
All speakers blown Replace speakers
Output distorted
Head unit volume set too high Lower head unit volume
Amplifier gain set too high Lower amplifier gain
Balance reversed
Bass is weak
Blowing fuses
Speakers wired L+R reversed Wire speakers with correct
orientation
RCA inputs reversed Reverse RCA input
Speakers wired out phase Wire with correct of phase
Excessive output levels Lower volume
Amplifier defective Return for service
5. Setting the Boost/Cut:
Once you determined the loudest musical spot or range within the bass
range of your sound system, start cutting until the response is smooth and even. You can also
boost low spots within the musical range, but don't go crazy with the boost knob. There is a lot
of boost available, 12dB, but begin with a low boost setting around 3dB and try to stay
below 6dB whenever possible. Remember that for every 3dB of additional boost you dial in,
you are asking the amplifier to double its power output for a given signal in the boost region.
3
BEFORE STARTING
If you do decide to do it yourself, make sure you have read the instructions carefully and have the
following tools:
·
Electric drill
·
Phillips bit or screwdriver
·
1/8" bit
·
Wire cutters/crimpers
·
Safety glasses
·
X-Acto knife
Disconnect the vehicle's negative battery connection. Any deviation from the recommended
connection procedures may cause serious damage to the amplifier, speakers, and/or vehicle
electrical system. Please double check the connections before turning the system on.
INSTALLATION MOUNTING
Place your amplifier at the predetermined mounting location. Use a felt pen to mark the exact
position of the mounting holes on the mounting surface. Set the amplifier aside. With a sharp,
precise blade cut small circles in the carpet and padding around the four marks denoting your
mounting holes to expose the metal underneath. Use a center punch to make an indentation in the
metal to ensure that you drill the exact position for the screws.
Note:
Please use common sense and make sure that all vehicle wires, gas lines, brake lines, etc.
are clear and will not interfere with the installation. ALWAYS WEAR PROPER SAFETY GLASSES.
CONNECTIONS
1. Bi-Level Inputs (Low Level Input) -
Both a low and high level signal can be used. Be sure
to lay the signal wire away from all power cables and vehicle computers. Use high quality twisted
pair interconnect cables to decrease the possibility of radiated noise entering the system.
·
Using RCA Connections:
If the source unit does not have RCA outputs, simply attach a
signal cable from the source unit to the amp's RCA input. This will provide signal to the amp.
·
Using Speaker Level Connections:
If the source unit does not have RCA outputs, a high
level signal can be used instead by taking the supplied high level RCA adapter cables and
connecting the bare wire ends to the vehicle's rear speaker wiring. Connect the left negative
speaker wire to the green with black stripe wire on the supplied high level RCA adapter.
Connect the left positive speaker wire to the solid green wire. Do the same for the right
speaker connection using the purple wire. Now plug the RCA connectors into the amp's inputs.
Содержание AS 100.4
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