JVC KD-R870BT Instruction Manual - Page 36

Installation / Connection - wiring harness

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SPECIFICATIONS Audio Maximum Output Power Full Bandwidth Power (at less than 1 % THD) Speaker Impedance Preout Level/Load (CD/USB) Preout Impedance 50 W × 4 or 50 W × 2 + 50 W × 1 (Subwoofer = 4 Ω) 22 W × 4 4 Ω - 8 Ω 4 000 mV/10 kΩ load ≤ 600 Ω General Operating Voltage (10.5 V - 16 V allowable) Maximum Current Consumption Operating Temperature Range Installation Size (W × H × D) Weight 14.4 V 10 A -10°C - +60°C 182 mm × 53 mm × 158 mm (7-3/16" × 2-1/8" × 6-1/4") 1.1 kg (2.43 lbs) Subject to change without notice. 32 INSTALLATION / CONNECTION Warning • The unit can only be used with a 12 V DC power supply, negative ground. • Disconnect the battery's negative terminal before wiring and mounting. • Do not connect Battery wire (yellow) and Ignition wire (red) to the car chassis or Ground wire (black) to prevent a short circuit. • Insulate unconnected wires with vinyl tape to prevent a short circuit. • Be sure to ground this unit to the car's chassis again after installation. Caution • For safety's sake, leave wiring and mounting to professionals. Consult the car audio dealer. • Install this unit in the console of your vehicle. Do not touch the metal parts of this unit during and shortly after use of the unit. Metal parts such as the heat sink and enclosure become hot. • Do not connect the wires of speakers to the car chassis or Ground wire (black), or connect them in parallel. • Connect speakers with a maximum power of more than 50 W. If the maximum power of the speakers is lower than 50 W, change the [AMP GAIN] setting to avoid damaging the speakers. ( 21) • Mount the unit at an angle of less than 30º. • If your vehicle wiring harness does not have the ignition terminal, connect Ignition wire (red) to the terminal on the vehicle's fuse box which provides 12 V DC power supply and is turned on and off by the ignition key. • Keep all cables away from heat dissipate metal parts. • After the unit is installed, check whether the brake lamps, blinkers, wipers, etc. on the car are working properly. • If the fuse blows, first make sure the wires are not touching car's chassis, then replace the old fuse with one that has the same rating. Basic procedure 1 Remove the key from the ignition switch, then disconnect the terminal of the car battery. 2 Connect the wires properly. See Wiring connection. ( 34, 35) 3 Install the unit to your car. See Installing the unit (in-dash mounting). 4 Connect the terminal of the car battery. 5 Press to turn on the power. 6 Detach the faceplate and reset the unit within 5 seconds. ( 3)

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32
Audio
Maximum Output Power
50 W × 4 or
50 W × 2 + 50 W × 1 (Subwoofer = 4 Ω)
Full Bandwidth Power
(at less than 1 % THD)
22 W × 4
Speaker Impedance
4 Ω — 8 Ω
Preout Level/Load (CD/USB)
4 000 mV/10 kΩ load
Preout Impedance
≤ 600 Ω
General
Operating Voltage
(10.5 V — 16 V allowable)
14.4 V
Maximum Current Consumption
10 A
Operating Temperature Range
–10°C — +60°C
Installation Size (W × H × D)
182 mm × 53 mm × 158 mm
(7-3/16" × 2-1/8" × 6-1/4")
Weight
1.1 k
g
(2.43 lbs)
Subject to change without notice.
SPECIFICATIONS
Warning
•
The unit can only be used with a 12 V DC power supply, negative ground.
•
Disconnect the battery’s negative terminal before wiring and mounting.
•
Do not connect Battery wire (yellow) and Ignition wire (red) to the car chassis or Ground wire
(black) to prevent a short circuit.
•
Insulate unconnected wires with vinyl tape to prevent a short circuit.
•
Be sure to ground this unit to the car’s chassis again after installation.
Caution
•
For safety’s sake, leave wiring and mounting to professionals. Consult the car audio dealer.
•
Install this unit in the console of your vehicle. Do not touch the metal parts of this unit during
and shortly after use of the unit. Metal parts such as the heat sink and enclosure become hot.
• Do not connect the
wires of speakers to the car chassis or Ground wire (black), or connect
them in parallel.
•
Connect speakers with a maximum power of more than 50 W. If the maximum power of
the speakers is lower than 50 W, change the
[AMP GAIN]
setting to avoid damaging the
speakers.
(
 
21)
•
Mount the unit at an angle of less than 30º.
•
If your vehicle wiring harness does not have the ignition terminal, connect Ignition wire (red)
to the terminal on the vehicle’s fuse box which provides 12 V DC power supply and is turned
on and off by the ignition key.
•
Keep all cables away from heat dissipate metal parts.
•
After the unit is installed, check whether the brake lamps, blinkers, wipers, etc. on the car are
working properly.
•
If the fuse blows, first make sure the wires are not touching car’s chassis, then replace the old
fuse with one that has the same rating.
Basic procedure
1
Remove the key from the ignition switch, then disconnect the
terminal of the car battery.
2
Connect the wires properly.
See Wiring connection.
(
 
34, 35)
3
Install the unit to your car.
See Installing the unit (in-dash mounting).
4
Connect the
terminal of the car battery.
5
Press
to turn on the power.
6
Detach the faceplate and reset the unit within 5 seconds.
(
 
3)
INSTALLATION / CONNECTION