Printed Wiring Board -Key Section - Sony CDX-GT454US Service Manual

4-7. PRINTED WIRING BOARD – KEY Section –
1 2
LED907,932,936
A (ILLUMINATOR)
LED914,S902
SOURCE/OFF
LED910,S903
R920
SEEK+
R942
>
S902
M
S903 LED914
B
LED907
LED940,S904
/MODE
S904
LED940
LED919,921,
S906
LED909
LED912,S905
S905
C LED916
m
.
SEEK–
S907
LED916,S907
ZAP
D
LED909,934,938
(ILLUMINATOR)
E
1
2
IC902
F
3
R923
G
R953
R952
VDR908
H
CDX-GT450U/GT454US
• : Uses unleaded solder.
3 4 5
LED932
R983
R984
D921
LED934
LED929
LSW912
LED928
LED925
LED925,928,929 LSW912
(RING ILLUMINATOR)
PTY
(GT450U)
AF/TA/PTY
(GT454US)
R975
1 2 3
R926 R999 R944
6 RE901 7
R918
VDR906
R919
4 5
RE901
PUSH ENTER/
SELECT
(VOLUME)
6 7 8
LED905
DISC SLOT
INDICATOR
LED905
1
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LSW911 LSW910 LSW909 LSW908
R966
LSW911 LSW910 LSW909 LSW908
1/ALBUM – 2/ALBUM + 3/REP 4/SHUF
R931
R932
C904
C901 C903 C902
R917
R998
C911
64 49
R908
1
48
IC901
R914
R909
16
33
17 32
21 21
9 10 11
52
LSW906
LSW907
LSW905
LSW907 LSW906 LSW905
5 6/PAUSE DSPL/SCRL
(Page 17)
MAIN BOARD
CN102
A
R930 R929
19 1
CN901
20 2
R906
D902
R940
R946
C912
CDX-GT450U/GT454US
12 13
LED903,S901
Z
R996
LED901
LCD BACK
LIGHT
11
1-882-750- (11)
J901
AUX
R945
CN902
(USB)
FB901
FB902
11
1-882-750- (11)