MB QUART RVM2.0 - Specifications; General Specifications; Radio Specifications; Troubleshooting Guide

SPECIFICATIONS
14
GENERAL
Power Supply Requirements: DC 12 Volts, Negative Ground
Current Drain: 10 Ampere (max.)
Maximum Output Power: 4 x 17 watts into 4 Ohms @ 14.4V DC
Preamp Output Voltage: 2.1V (with AUX, USB or AM/FM Source)
1.5V (with BT Source)
Chassis Dimensions : 3-7/8”(H) x 4”(W) x 2”(D)*
*Note: Installation depth requires 3” minimum
Tone Controls:
 Bass (at 100 Hz): ±10 dB
 Treble (at 10 kHz): ±10 dB
RADIO FM AM
Frequency Coverage 87.5 to 108 MHz 520 to 1710 kHz
IF 10.7 MHz 450 KHz
Sensitivity 4μV(S/N=30dB) 36dBuV(S/N=20dB)
FM Stereo Separation >25dB N/A (AM is Mono)
TROUBLESHOOTING
Symptom
Cause
Solution
No power.
The vehicle’s ignition switch is
not on.
If the power supply is connected to
the vehicle’s accessory circuits, but
the engine is not moving, switch
the ignition key to “ACC”.
The fuse is blown.
Replace the fuse.
The unit turns on,
but has no sound.
Volume is on minimum
Adjust volume to a desired level.
Audio wiring is not properly
connected.
Check wiring connections to preamp
outputs, speakers or both.
The buttons on
the unit do not
respond.
The built-in microcomputer is
not operating properly due to
noise.
Press the reset button on the front
panel.
The radio does
not Work. The
radio station
automatic
selection does not
work.
The antenna cable is not
connected.
Insert the antenna cable firmly.
The signals are too weak.
Select a station manually.