Printed Wiring Board - Key Board - Sony CDX-GT57UP Service Manual

CDX-GT57UP

4-10. PRINTED WIRING BOARD - KEY Board -

1 2 3
KEY BOARD (COMPONENT SIDE)
A
LED950, S902
OFF
A SOURCE
LED936, S903
S902
SEEK + K
>
R946 LED938
M
B A K
A
K
S903 A K LED950
LED940
LED932, S904
S904 S906
R970
K
A K
LED954, S906 A
LED932
C
LED944
S905 A K
LED934, S905 LED952
A K
A K
m
LED942
.
SEEK-
K
S907
A
D
S901 - 907
LED952, S907 LED938, 940, 942, 944
(ILLUMINATION)
MODE
E
KEY BOARD (CONCUCTOR SIDE)
F
1
IC902
3
G
R944
H
R972
R918
R919
R948
I
CDX-GT57UP
• : Uses unleaded solder.
4 5 6
LED932, 934, 936, 938, 940, 942,
LED944, 946, 950, 952, 954
A
K
52
R903
R952
R990
LSW912 1
5 6
3 4
1 2
LSW912 LSW911
V ALBUM
CAT
PTY
R986
E
1
3
E
R908
Q901
RE901
R909
ROTARY ENCODER
R958
PUSH ENTER/SELECT
(VOLUME)
4 5
R927
2
7 8 9
LCD901
LIQUID CRYSTAL DISPLAY PANEL
5 5 5 5
R984
3 3 3 3
1 1 1
LSW909
LSW911
LSW910
LSW908
6
6 6 6
4 4 4
4
2 2 2 2
LSW910 LSW909 LSW908
ALBUM v REP SHUF
1 2 3 4
LSW905 - 912
3 6
4 5
1 2
R996
R995 R994
C903 C902
C901
C904
R976
R915
R904
R901
64 49
IC901
1 48
R902
E
R910
IFM6
Q905
16 33
R961 17 32
24 24
10 11 12
LED901
(LCD BACK LIGHT)
1
5 5
3 3
1 1 LSW905
5 6
LSW907
3 4
LSW906
6
6
4 4
1 2
2 2
LSW907 LSW906 LSW905
ZAP PAUSE SCRL
5 6 DSPL
(Page 19)
MAIN BOARD
CN102
A
R993 R992
CN901
19 1
20 2
R907
C912
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.
13 14
LED946,S901
Z
S901
R954
LED901
(LCD BACK LIGHT)
21, 22
1-884-821-
(21, 22)
J901
AUX
J901
CN902
R906
1 CN902
4
FB901
FB902
21, 22
(21, 22)
1-884-821-