Chery A21 2005, Service Manual, Page: 292 / 475

Audio System
The circui t of the acoustics is shown as figure 22-1 . The aco ustic syste m possess the fuctio ns of tape play
、 radio listenin g
、 broad cast frequency memory
、 sound control 、 front/rea r/left /righ t
reprod ucer volum e and so on.
The 11th pin of acoustic is connectted to antenna that with amplifier to receive br oadcast si gnal from broadcasti ng station.
The voltage from battery direct ly supplie s to the 16th pin of acoustics and the 16th pin of dia gnose port via the 15A fuse Fb23.
The night ILLUM wire supplies power to the 14th pin of acoustics, and light up the acoustic night lamp.
There are six horns on the vehicle, the R /L horns are connectted to the 6th 、 7th pin of ac oustics; th e R/R horns are connectted to the 9th 、 8th pin of acoustics; the F/R and F/R a lt horns ar e
connec tted to the 5th 、 4th pin of acoustics; the F/L and F /L alt horns are conn ectted to t he 2nd
、 3rd pin of a coustics.
30
15
ACC1
AC C2
31
ILLUM
8 9
Rear Right
h orn
Lg/B V
Instrument/
Front Gr ound/C4
Front Ground/
Rear Ground/5
Instrument/
Front Ground/C3
Front Ground/
Rear Ground/13
+ _
30
15
ACC1
ACC2
31
ILLUM
FB23
15A
16
G/6
To Diagnosis Port 16#
Instrume nt/Front
Ground/A3
L
11
Instrument/Front Ground/D4
Front Ground/Rear Ground/1
Am plifier
Re ar
Wind shield
Ant enna
Br
Amplifier
Front IS U
PP 3/3
14
15
1
W
O
11
Audio System Au dio S ystem place
Rear Right horn
Front
hor
Righ t
Door n
Instrument/ Front
Ground/C11
Front Ground/
Right /10 Front
Instr ument/
Front Ground/
C12
Front Ground/
Right /11 Front
+ _ + _ + _ + _
2 3
Y Y/L
Front Left
horn
Front Left
Door horn
Instrument/
Front Ground/C6
Front Ground/
Left 1/11 Front
Instr ument/Front
Ground/C5
Front Ground/
Left 1/10
Front
6 7
Br B
Instrument/
Front Ground/C2
Front Ground/
Rear Ground/4
Instrument/
Front G round/
C1
Front Ground/
Rear Ground/12
Re ar Le ft
h orn
Figure22-1 Audio Sy stem C ircuit Diagra m
4 5
Front Rig ht
alt ho rn
V Y/G
+ _
Aud io System
R ear Wind shield A ntenn a
Circuit Analysis:
4 3