Troubleshooting - Boss Audio Systems BV7265B User Manual

TROUBLE SHOOTING
GENERAL
Power Supply Requirements
Chassis Dimensions
Tone Controls
- Bass (at 100 Hz)
- Treble (at 10 kHz)
Maximum Output Power
Current Drain
RADIO
Frequency Coverage
IF
Sensitivity
Stereo Separation
TROUBLE SHOOTING
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
No power.
No sound.
The operation
keys do not work.
The radio does
not Work. The
radio station
automatic
selection does
not work.
: DC 12 Volts, Negative Ground
: 178 (W) x 160 (D) x 50 (H)
: ±10 dB
: ±10 dB
: 4 x 40 watts
: 10 Ampere (max.)
FM
87.5 to 107.9 MHz
10.7 MHz
4μV(S/N=30dB)
>25dB
Cause
The car ignition switch is not
on.
The fuse is blown.
Volume is in minimum
Wiring is not
connected.
The built-in microcomputer is
not operating properly due to
noise.
The antenna cable is not
connected.
The signals are too weak.
AM
530 to 1710 kHz
450 KHz
36dBuV(S/N=20dB)
/
If the power supply is connected
to the car accessory circuits, but
the engine is not moving, switch
the ignition key to "ACC".
Replace the fuse.
Adjust volume to a desired level.
properly Check wiring connection.
Press the reset button.
Insert the antenna cable firmly.
Select a station manually.
Solution