CDX-GT57UP - Sony Car Audio Service Manual (repair manual). Page 24

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CDX-GT57UP
CDX-GT57UP
24
24
4-10.  PRINTED  WIRING  BOARD - KEY Board -
• 
 : Uses unleaded solder.
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF 
THE USB CONNECTOR (CN902) AND THE AUX JACK (J901)” 
(See page 4), if replacing the Ref. No. CN902 and the Ref. No. J901.
IC901
IC902
1
52
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LED901
(LCD BACK LIGHT)
LED932
LED934
LED936
A
A
K
A
K
A
K
K
A
K
A
K
A
K
A
K
A
K
A
K
LED938
LED940
LED942
LED944
LED950
LED952
LED954
R903
R920
R921
R946
R952
R954
LED901
(LCD BACK LIGHT)
LED946,S901
Z
LED952, S907
MODE
PUSH ENTER/SELECT
(VOLUME)
J901
AUX
CN902
LSW912
LED938, 940, 942, 944
(ILLUMINATION)
LSW911
ALBUM
1
ALBUM v
2
LSW910
PAUSE
6
LSW906
      SCRL
DSPL
LSW905
LSW909
REP
3
LSW908
SHUF
4
LSW907
ZAP
5
S901
S902
S903
LED936, S903
SEEK +
>
M
LED950, S902
     OFF
SOURCE
LED932, S904
LED954, S906
LED934, S905
m
.
SEEK-
S904
S905
S906
S907
R970
R980
R982
R984
R990
1
2
19
20
1
1
1
2
3
4
5
6
1
3
2
4
5
3
16
17
32
33
48
49
64
IFM6
FB901
FB902
FB903
R901
R902
R904
R905
R906
R907
R915
R916
R917
R918
R919
CN901
R922
R923
R924
R925
R926
R927
C901
C902
C903
R940
C904
R942
C906
R944
C909
R948
C910
C911
C912
R950
C915
C916
R966
R968
R972
R974
R976
R986
R988
R991
R992
R993
R994
R995
R996
R997
R998
R999
D901
D911
D912
D916
RE901
ROTARY ENCODER
CN902
1
4
J901
A
MAIN BOARD 
CN102
KEY BOARD    (COMPONENT SIDE)
KEY BOARD    (CONCUCTOR SIDE)
1-884-821-
(21, 22)
21, 22
1-884-821-
(21, 22)
21, 22
CAT
PTY
Q901
E
E
E
Q905
Q903
R908
R909
R910
R961
R956
R958
1
1
2
2
3
3
4
4
5
5
6
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
3
6
4
5
1
2
LSW905 - 912
A
LED932, 934, 936, 938, 940, 942,
LED944, 946, 950, 952, 954
K
S901 - 907
(Page 19)
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