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7
INSTALLATION AND SETUP
For sealed enclosures, use DBO to
enhance the middle of the bass region.
Set the HP FREQ control to 35Hz to
40Hz and adjust the BOOST control to
taste. This will make the bass sound
bigger and fuller. Alternatively, for
tighter-sounding bass, set the HP FREQ
control between 45Hz and 50Hz,
and also adjust the BOOST control
according to your preference.
For infinite-baffle applications, set the
HP FREQ control to the speaker’s F
S
value (to keep the subwoofer from
trying to create bass below the
resonant frequency) and adjust the
BOOST control to taste.
INSTALLING NEON
TUBES (OPTIONAL)
1.Using a Phillips screwdriver, remove
all screws on the amplifier’s
output/power end panel and set
them aside.
2.Using a 3⁄32-inch Allen wrench,
remove only the screws on the
amplifier’s (top) clear cover and set
them aside.
3.Remove the end panel and slide the
cover off. Set both parts aside.
4.Locate the enclosed hardware bag
and remove the four clips. Each clip
has a square end and a larger round
end. Using a round end, press two
clips onto each neon tube (e.g.,
Street Glow AN9 or equivalent), as
shown in
Figure 9 below.
5.For each tube, align both clips so the
square ends slide onto an exposed
extrusion edge, as shown in Figure 9.
Do not cover any screw holes. When
installed correctly, each neon tube
will sit under an extrusion and not be
visible when viewed from directly
above.
6.Route each neon tube’s power cable
through its respective NEON hole on
the end panel (see
Figure 9).
7.Slide the cover back into place and
reinstall its screws. Then, replace
the end panel and reinstall its
screws.
8.Finish the installation of the neon
tubes as instructed in their owner’s
manual.
POWER
FUSES
GND REM BATT
SPEAKER OUTPUTS
BRIDGED
STEREO
Px600.2
LR
NEON NEON
PROTECT POWER I-E OPT
Installing A Clip
On Extrusion Lip
(side view)
Clip
N
eon
Tube
Neon Tube
and Clip
L
ip
Installed Neon Tube
Under Extrusion Lip
Clip Clip
To Neon
Power
Supply
To Neon
Power
Supply
Px600.2 Amplifier
(top view with clear cover off)
Output/Power
End Panel
Figure 9.
Installing neon tubes in a JBL Px600.2 amplifier.
Installation is similar for other models.
TROUBLESHOOTING
SYMPTOM LIKELY CAUSE SOLUTION
No audio No voltage at BATT+ Check voltages at
(POWER LED or REM terminals, amplifier terminals
is off) or bad or no ground with VOM
connection
No audio DC voltage on Amplifier may need
(PROTECT LED amplifier output service; see enclosed
flashes every warranty card for
4 sec.) service information
No audio Amplifier is Make sure amplifier
(PROTECT overheated cooling is not blocked
LED is on) at mounting location;
verify speaker-system
impedance is within
specified limits (see
“Specifications” on the
next page)
No audio Voltage less than 9V on Check vehicle
(PROTECT BATT+ connection charging system for
and POWER defective voltage
LEDs flash) regulator
I-E/OPT LED Amplifier is being Check INPUT
is on all times overdriven LEVEL setting;
(not flashing) see previous page
No audio Voltage more than 16V Check vehicle
(PROTECT or less than 8.5V on charging system for
LED is on) BATT+ connection defective voltage
regulator
Distorted audio Input sensitivity is Check INPUT
not set properly, or LEVEL setting; or
amplifier or source check speaker wires
unit is defective for shorts or grounds
Distorted audio Short circuit in Remove speaker leads
and PROTECT speaker or wire one at a time to locate
LED flashes shorted speaker or
wire, then repair
Music lacks Speakers are not Check speaker
“punch” connected properly connections for
proper polarity