Great Wall service chassis and body Manual — part 83
BE-61
Acoustical equipment system
The devices in this series is the vehicle-equipped acoustical receiver and recorder whose function is realized through
the electronic tuner and CD recorder, therefore, it can receive the amplitude modulation, frequency modulation and
stereo broadcast and can record the CD disc, what??s more, it is with the advanced electric anti-quaking, strong capability
of error correction, fashionable blue LCD liquid crystal digital display, and four-way power output. The device in this
series also has the characteristics such as low distortion, large output power and good performance of anti-interference,
broad frequency range and sweet sound, etc.
Diagram of Acoustical equipment system
SF
fuse
ignition switch
ACC ON
ST
side-window aerial
CD device
loudspeaker
ignition switch
CD plugging element
plugging elements of rear
loudspeaker of CD device
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
1
2
3
4
5
5
4
1
2
3
5
3
8
4
9
7
5
6
1
7
Note: For Dr the antenna is the rod type.
battery
cigarette lighter
left front
right front
left rear
right rear
from small lamp relay
2
amplifier
Body Electric System
Acoustical Equipment System
BE-62
Diagram of acoustical equipment system (continued)
SL SK
SY SJ
fuse
ignition switch
ACC ON ST
4
1
small lamp
large lamp
6
6
2
5
9 P Q 8 1 3 O 5 7
receiver
receiver
1
2
3
4
5
6
7
8
9
1
2
3
4
5
4
3
2
1
5
6
7
8
ignition switch
combined switch
8
7
6
5
16
15
14
NP
12
11
4
3
2
1
9
10
fuse
ignition switch
ACC ON ST
4
1
small lamp
large lamp
6
1
6
2
5
9 3 4 8 1 3 2 5 7
CD device
CD device
1
2
3
4
5
6
7
U
9
1
2
3
4
5
ignition switch
4
3
2
1
R
6
8
combined switch
8
7
6
5
16
NR
14
13
12
11
10
9
2
3
4
N
receiver
small lamp relay
small lamp relay
electric aerial
CD device
battery
battery
fuse
fuse
7
Body Electric System
Acoustical Equipment System
BE-63
Trouble
Possible causes
Repairing approaches
Page
Receiver
CD recorder
Lack of power supply
Burned out fuse
Wiring failure
Change the fuse and check whether there is
short circuit;
Make reparation as required
Loudspeaker doesn
t work Faalure of loudspeaker
Wiring failure
Chaange the loudspeaker;
Make reparation as required.
Do not read the tape or disc
Receiver failure or
Change the receiver or CD recorder
CD recorder failure
AM or FM doesn
t work
Receiver or CD recorder failure
Change the receiver or CD recorder
VCD
Non-opening of devices
Aerial failure
Wiring failure
Main machine failure
Change or repair it as required;
Make reparation as required.
Change the main device
Neither image nor sound is
broadcasted
Failure of main device;
converter box failure plus disc box
failure
Make inspection as required and change
the parts with failure
No image when backing up
Wiring failure
Failure of video camera
Conduct an inspection as required and
change the parts with failure
FM/TV failure
Failure of aerial amplifier
Weak signal from TV station
Make an inspection as required and change
the parts with failure
Screen cannot be turned over Unsuitable main device adjustment
Failure of main device
Adjust according to the application
instruction;change the main device
Disc box cannot be pushed
Failure of disc box
Make an inspection as required
outside
Bass speaker doesn
t work Wiring failure
Failure of bass speaker
Make reparation as required.
Change the bass speaker.
Electric
aerial
Non-raising when receiver is
opened
Wiring failure
Failure of electric aerial
Make reparation as required.
Change the electric aerial
Falling seize-up
Wiring failure
Failure of electric aerial.
Make an inspection as required and change
the parts with failure.
BE-64
BE-64
BE-64
BE-65
BE-65
Inspection on Common Trouble
Body Electric System
Acoustical Equipment System
BE-64
Inspection on Common Trouble
k
v
k
k
v
ON
OFF
blue screen
black screen
(a)
Main engine cannot be opened
Ther is no action when pressing
the
owerkey repeatedly
Check whether the voltage of
ACC and storage cell reaches
12 V
Check the fuse in power wire
or the power supply of the
entire vehicle
Failure of main
engine
(b)
No voice or image when broadcasting
NO CDCdisplayed on
screen
Re-open the device
Check whether there is image
when backing up
Failure of main
engine
Be normal after
returning
Check the converter box works
normally (whether the lamp is
light or not)
Failure of converter
box
Failure of disc box
(c)
There is no image when backing up
There is no image in
video camera
Whether the screen display
is blue screen
Failure of video
camera
The backing up wire is not connected
well; reconnect it to the positive polar
of 12V of reverse gear
Body Electric System
Acoustical Equipment System
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