Automatic Music Scan System; Audio System Maintenance - Chery QQ Service Manual

6 MUTE
7 Volume
8 Power switch
9 Display
10 BAND SCAN: Radio frequency scanning/CD player song scanning
◄ ►: High-end and low-end scanning (playing)

Automatic music scan system

11 AST: automatic saving system
12. Preset key 6 DISC-: Choose forward discs 13. Preset key 5
14 Preset key 4
15 Fast Forward ►►
16 Rewind
17 Reject ▲ Press for a short time to reverse the cassette
reject the cassette
18 Cassette compartment
Note: VDO CD player is optional. See supplied manuals for the information on use and
maintenance of VDO CD players.
III. Audio system maintenance
1. Before the radio maintenance, shut off the ignition switch and disconnect the battery
negative wire.
2. Common problems and troubleshooting
Symptom
The main processor fails
to be turned on
The main processor
works but without sound
output
Poor sound quality of the
main processor, with
interference
Cassettes blocked
Chery QQ Service Manual
DISC+: Choose backward discs
Possible Cause
Fuse broken
Wrong wiring
Speakers and wires
Main processor out
of order
External signal
antenna
Dirty magnetic
tapes and heads
Tapes damaged
Main processor
failure
setting mode
Previous/next song (CD cassette)
Replace it with another fuse of
Check the wiring against the
wiring diagram
Check connections and speakers
Consult a professional radio
Check the connection between
the antenna and main processor or
amplifier power.
Clean magnetic heads
Replace the broken cassettes
Consult a professional radio
- 95 -
BCM Computer Control System
Press for a long time to
Solution
the same type
technician
technician