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MSR4115
16
Troubleshooting
Specifications
General
Power Supply Requirements . . . . . . . . . . . . . . . . . . . . . . . . . DC 12 Volts, Negative Ground
Chassis Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 (W) x 178 (D) x 50 (H)
Loading Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 -8 ohms per channel
Tone Controls . . . . . . . . . . . . . . . . . . . Bass (at 100 Hz), ±10 dB; Treble (at 10 kHz), ±10 dB
Maximum Output Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4x40W/4X45W/4X50W watts
Current Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Ampere (max.)
CD Player
Signal to Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .More than 60 dB
Channel Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .More than 50 dB
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40Hz – 18 kHz
FM Tuner
Tuning range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87.5-108.0
FM mono sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5uV
Stereo separation @ 1 kHz. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >25dB
Problem Cause Corrective Action
No power. Vehicle ignition switch is not
on.
If the power supply is connected to
the vehicle accessory circuits but
the engine is not moving, switch the
ignition key to “ACC”.
The fuse is blown. Replace the fuse.
Disc cannot be loaded
or ejected.
There is a disc already inside
the unit.
Remove the current disc and insert
the new one.
Inserting disc in wrong
direction.
Insert disc with label facing up.
Disc is defective or dirty. Clean disc or try playing another
one.
Excessive temperature. Cool vehicle to a normal
temperature.
Condensation has collected. Turn off for an hour, then try again.
No sound. Volume turned down too low. Adjust volume until sound is heard.
Wiring not connected properly. Check wiring connections.
Sound skips or sound
quality is poor.
Installation angle exceeds 30
degrees.
Adjust the installation angle to less
than 30 degrees.
Disc is defective or dirty. Clean disc or try playing another
one.
Operation keys do not
work.
Microcomputer is not operating
properly due to noise.
Press RESET.
Radio does not work Antenna cable not connected. Insert antenna cable firmly.
Automatic station
selection does not work.
Radio signals are too weak. Select a station manually.
AM Tuner
Tuning range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .522-1710
Amplifier
Total system power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200W (50W x 4)
Specifications subject to change without notice.