Sony DSX-A50BT, Service Manual

Page: 24 / 40

DSX-A50BT
DSX-A50BT
24 24
5-10. PRINTED WIRING BOARD - KEY Board -
• : Uses unleaded solder.
1 36
LSW901 LSW902 LSW903 LSW904 LSW905 LSW906
LCD901
LED901
LED902 LED903
LED904
LED905
LED907 LED906
R901 R902
R903
R904
R905 R906
R913
R914
R915
R920
R951
R952
R954
R955
R957
R958
S901
S902
S903
S904
S905
S906
IC902
1
2 14
15
CN001
Q901
R907 R908
R909
R910
R911
R912
R916
R917
CL001
R928
R929
R930
R931
R932
R933 R934
R935
R936
R938
C901
C902
C903
C904
C905
C912
R950
R960
R961
R962
R963
R964
R965
R966 R967
R968
D901
D902
D903
D904
D905
D906 D907 D908
D909
D910 IC901
S907
PUSH ENTER/
SELECT/
ROTARY
ENCODER
(VOLUME)
KEY BOARD
(COMPONENT SIDE)
KEY BOARD
(CONDUCTOR SIDE)
1
1
1
3
2
4 5
2
6 7
3
A
A A
A
A K
K K K K
A A A A
A K
K
E
K K
K
12
36 25
13
24
48
37
1-885-884-
11
(11)
1-885-884-
11
(11)
LIQUID CRYSTAL DISPLAY
LED904, S903
LED903, S904
LED902, S905
LED907, S901
LED906, S906
SOURCE
OFF
SEEK–
SEEK+
LED902, S905
A K A K
A K
A K
A K A K
CALL
A1
MAIN BOARD
CN103
A2
MAIN BOARD
CN103
SCRL
DSPL
SHUF/MIC
4
PAUSE
3 1
1
4
3
2
5
6
1
4
3
2
5
6
1
4
3
2
5
6
1
4
3
2
5
6
1
4
3
2
5
6
1
4
3
2
5
6
ALBUM
2
ALBUM
PTY
3
6
4 5
1
2
LSW901 - 906
K
LED902-907
A
S901-906
LCD BACK
LIGHT
LED901
A
B
C
D
E
1 2 3 4 5 6
(AEP, UK) (E, IND)
PTY
AF/TA
(E, IND)
(AEP, UK)
/MODE
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