Trouble Shooting - VIETA VC-HU720BT User Manual

Specification
GENERAL
Power Supply Requirements:
Tone Controls
- Bass (at 100 Hz):
- Treble (at 10 kHz):
Maximum Output Power:
Current Drain:
USB/MEMORY CARD PLAYER
Signal to Noise Ratio:
Channel Separation:
Frequency Response:
RADIO
FM
Frequency Coverage:
IF:
Sensitivity (S/N=30dB:
Stereo Separation:
AM
Frequency Coverage:
IF:
Sensitivity (S/N=20dB):
Note: Specifications and design are subject to modification, without notice, due to improvements in
technology.
28
DC 12 Volts, Negative Ground
±10 dB
±10 dB
4x25 watts
10 Ampere (max.)
More than 55 dB
More than 50 dB
40Hz – 18 kHz
87.5 to 108 MHz (Europe)
87.5 to 107.9 MHz (USA)
10,7 MHz
10 dBu
>25dB
522 to 1620 KHz (Europe)
530 to 1710 KHz (USA)
450 kHz
36 dBu
USB/SD Radio

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 Cause
The car ignition switch is not on.
No power
The fuse is blown.
Volume is in minimum.
No sound
Wiring is not properly connected.
The built-in micro-computer is not
The operation
operating properly due to noise.
keys do not work
The antenna cable is not connected.
The radio does
not Work. The
radio station
The signals are too weak.
automatic
selection does
not work.
Solution
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.
Check wiring connection.
Press the RESET button.
Front panel is not properly fixed into its
place.
Insert the antenna cable firmly.
Select a station manually.
29
ENGLISH