Chery A21 2005 Service Manual page 292

Audio System
Cir cuit Analysis :
The circui t of the acoustics is shown as f igure 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 voltage from bat tery 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 I LLUM wire supplies power to the 14th pin of acous tics, and light up the acoustic night lamp.
The 11th pin of acoustic is connectted to antenna that with amplifier to receive br oadcast si gnal from broadcasti ng station.
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 hor ns 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
AC C1
AC C2
11
31
ILLU M
Au dio S ystem place
1
14 9 8
Lg/B
W V
Ins trument/
Front Gr ound/C4
Front Ground/
Rear Ground/5
_
+
Rear Ri ght
h orn
Rear Right horn
R ear W ind shield A ntenn a
O
Audio System
15
Instrument/
Front Ground/C3
Instrument/ Front Instr ument/
Ground/C11 Front Ground/
C12
Front Ground/ Front Ground/
Front Right /10 Front Right /11
Front Ground/
Rear Ground/13
_
+
Front Righ t
D oor hor n
F igure2 2-1 Au dio Sy stem C ircuit Diagra m
Re ar
Wind s hield A m plif ier
A nt enna
Front Ground/Rear G round/1
Fr ont IS U
Instrument/Front Ground/D4
PP 3/3
Br
11
Aud io S ystem
5 4 3
V Y/G Y
Instr ume nt/Fro nt Instrument/
Ground/C5 Front Ground/C6
_
+
Front Ground/ Front Front Ground/
Left 1/10 Front Left 1/11
Front Rig ht
alt ho rn
_
+ +
Front Left Front Lef t
D oor horn horn
FB23
15A
G/6
Instrume nt/Front
Ground/A3
To Diagnosis Port 16#
A m pl ifier
L
16
2 7
Br B
Y/L
Instrument/
Front Ground/C2
Front Ground/
Rear Ground/4
_ _
+
Re ar Le ft
h orn
30
15
AC C1
AC C2
31
ILLU M
6
Instrume nt/
Fron t G roun d/
C1
Front Ground/
Rear Ground/12
4 3