Read JBL DA 4002 (serv.man2) Service Manual online
Controls and Connections
Controls and Connections
Mounting the Amplifier
1. Preamp-Level Input Connector - Connects to
line-level output the source unit
2. Speaker-Level Input Connector - Use this
connector for speaker level input signals.
A wire harness is supplied use with this
connector. See"Typical System Configuration"
Section (page4)for wiring instructions
3. Speaker Output Connector - Connect speaker
3. Speaker Output Connector - Connect speaker
wiring to these connectors. See wiring instruc-
tions on page 4 for more information.
4. Fuse - 15 Amp attached type Fuses.
4. Fuse - 15 Amp attached type Fuses.
The JBL Decade Series amplifiers can be mounted in virtually any location inside the vehicle.
However, make sure to keep the amplifier away from heater vents or ducts.
However, make sure to keep the amplifier away from heater vents or ducts.
1. At the chosen site, use the amplifier as a mounting template and mark the locations of the
four mounting holes.
four mounting holes.
2. Drill a small pilot hole at each marked location.
3. Mount the amplifier and securely tighten the mounting screws.
5. Power Connection for 12v+,GND and REM
connections for power wires. See wiring
instructions on page 4 for more information.
connections for power wires. See wiring
instructions on page 4 for more information.
6. Input-Level Control - Adjusts input sensitivity
for pre-amp level and speaker level inputs.
for pre-amp level and speaker level inputs.
8. Bass E.Q. - This switch activates a built-in Bass
Boost circuit used to increase low-bass output
on the selected speaker output group. Enables
bass boost +6dB@50Hz
Boost circuit used to increase low-bass output
on the selected speaker output group. Enables
bass boost +6dB@50Hz
3
Multichannel Automotive Amplifier
DA 4002
7. Crossover Selector - Determines wheth the
crossover is a High-pass filter @120HZ(HP),a
Low-pass filter,@120Hz(LP) or unfiltered (FLAT)
crossover is a High-pass filter @120HZ(HP),a
Low-pass filter,@120Hz(LP) or unfiltered (FLAT)
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3
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4
1
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