JVC KD-R781BT User Manual

ENGLISH
29
Data Size: B6L (182 mm x 128 mm)
Book Size: B6L (182 mm x 128 mm)
SPECIFICATIONS
Audio
Maximum Output Power 50W×4 or
50W×2 + 50W×1
(Subwoofer = 4Ω)
Full Bandwidth Power 22W×4 (at less than 1% THD)
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×159mm
Net Weight (includes Trimplate,
Mounting Sleeve)
1.2k
g
Subject to change without notice.
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. ( 18)
• 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.
( 31)
3 Install the unit to your car.
See Installing the unit (in-dash mounting).
( 30)
4 Connect the terminal of the car battery.
5 Press to turn on the power.
6 Detach the faceplate and reset the unit. ( 3)
INSTALLATION/CONNECTION
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JVC KD-R781BT Specifications

General

Brand	JVC
Model	KD-R781BT
Category	Car Receiver
Language	English