5-10. Printed Wiring Board - Key Board - Sony DSX-A50BT Service Manual

DSX-A50BT
DSX-A50BT

5-10. PRINTED WIRING BOARD - KEY Board -

1 2
KEY BOARD
(COMPONENT SIDE)
A K
LED907, S901
LED907
S901
A R958
SOURCE
OFF R957
R954
R902 R901
LED902, S905
LED905
A K
S902
LED904, S903
LED904
/MODE A K
S903
R903 R955
LED903, S904
B
SEEK–
S904
R951
A K
LED903
LED902-907
S901-906
A K
C
KEY BOARD
(CONDUCTOR SIDE)
D
1
ENCODER
6
PUSH ENTER/
SELECT/
4
(VOLUME)
E
• : Uses unleaded solder.
3
LED906, S906
CALL
S906
A K
LED906
R920
R915
R913
R914
R906 R905
36
R904
R952
S905
3
A K
4
LED902
1
LSW906
LED902, S905
SEEK+
PTY
(AEP, UK)
AF/TA
(E, IND) PTY
1
IC902 D902
C902
R961
A K K A
3
R960
D901
2
R929
R963
R928
C901
D903
S907 36 25
K A
R930
3
ROTARY
37
C903
R932
7
C912
C904
R938
R931
5 48
1 12
C905
R935
R936
2
CL001
24 24
4 5
1
LCD901
LIQUID CRYSTAL DISPLAY
6 3 6 3 6 3 6
5 4 5 4 5 4 5
2 1 2 1 2 1 2
LSW905 LSW904 LSW903
ALBUM ALBUM PAUSE
1 2 3
LSW901 - 906
3 6
4 5
1 2
(AEP, UK) (E, IND)
(Page 21) (Page 23)
MAIN BOARD MAIN BOARD
A1 A2
CN103 CN103
R909
R911
R912 R908
R910
R962
R966
15 1
CN001
A
D909
K
14 2
R965
R964
D905
24
A K K A
IC901 D910
K K K K
13
A A A A
E
R917
6
LED901 LED901
LCD BACK
LIGHT
3 6 3 6 11
4 5 4 5
(11)
1 2 1 2 1-885-884-
LSW902 LSW901
SHUF/MIC SCRL
4 DSPL
R907
R968
R967
R916
Q901
11
(11)
1-885-884-