Printed Wiring Board - Key Board - Sony DSX-MS60 Service Manual

4-13. PRINTED WIRING BOARD - KEY Board -

1 2
A
KEY BOARD
(COMPONENT SIDE)
S2 S1
K2 K1
A2 A1
LED924, S953
S952
LED923, S951 PAUSE
+ >
SOURCE
S953
K
OFF
S951 K
LED923 LED924
A
A
B
A2 K2S2 S954
LED925, S954
S955
K
LED925
S955
MODE
A
A1 K1S1
LED926, S959
ZAP/
S959
A1
K
A2
LED926
K1
K2
A
S2
S1
A1 A2
K1 K2
S1 S2
S958
C
– .
KEY BOARD
(CONDUCTOR SIDE)
R918
D
R917
R962
R961
R954
R906
R916
R908
R901
R900
R905 R915
R953
R952 R907
R902
R904
E
R951
R903
DSX-MS60
• : Uses unleaded solder.
3 4
S952, 955 – 959
A1
S951, 953, 954
K1
S1
3
A K
2
LED918
A K
IC982
(UPPER)
1
LED917
4
(UPPER)
1
A
LED919
(RIGHT)
K
LED915 – 920
(RING ILLUMINATION)
K
SHUF
LED920
(RIGHT)
A
74
A K S1 K1 A1
LED915
A K S957
(LOWER)
LED916
S2 K2 A2
(LOWER)
CAT
R909
R959
R910
R960
RE901
1 R981
PUSH ENTER/
2
SELECT D981
C983
3
C985
(VOLUME)
C991
RE901
E C982
ROTARY
Q991
ENCODER
D982
R986 C981
C984
C986
4
R983
R984
R987
5
R985
R988
R919 R920
5 6
A2
K2 LED915 – 920,
LED923 – 926
S2 K A
37
LCD901
LIQUID CRYSTAL DISPLAY
38
Q992
R994 R993
C992
E
60 41
D902
61 D903
40
IC981
D904
D905
D906
16
R973
80 21 1
D909
1 20
SUB BOARD
(Page 20)
Note: Refer to the servicing notes "NOTE FOR REPLACEMENT OF
THE AUX JACK (J901)" (page 3), if replacing the Ref. No. J901.
21 21
7
LED991
(LCD BACK LIGHT)
LED992
(LCD BACK LIGHT)
S956
SCRL
DSPL
A1 A2
11
K1 K2
S1 S2
(11)
1-881-824-
R992
D912
D907 D901
D908
R991
R975 R974
J901
AUX
9
CN901
8
FB902
FB903
D910D911
R997
11
R998
C904
(11)
FB901
1-881-824-
B
CN991
DSX-MS60