Ssl SGR3 - Troubleshooting; General Specifications; Troubleshooting Checklist

TROUBLESHOOTING
GENERAL
Power Supply Requirements : DC 12 Volts, Negative Ground
Chassis Dimensions : 3.9 (W) x 4.0 (D) x 2.75(H) Inches
Tone Controls
- Bass (at 100 Hz) : ±10 dB
- Treble (at 10 kHz) : ±10 dB
Maximum Output Power : 4 x 60 watts
Current Drain : 10 Ampere (max.)
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)
Stereo Separation >25dB /
TROUBLESHOOTING
Before going through the checklist, check wiring connection. If any of the problems persist
after checklist has been made, consult your nearest service dealer.
Symptom Cause Solution
No power.
The car ignition switch is
not on.
If the power supply is
connected to the car accessory
circuits, but the engine is not
moving, switch the ignition key
to “ACC”.
The fuse is blown. Replace the fuse.
No sound.
Volume is in minimum Adjust volume to a desired level.
Wiring is not properly
connected.
Check wiring connection.
The operation
keys do not
work.
The built-
in microcomputer
is not operating properly
due to noise.
Press the reset button.
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.