Printed Wiring Board - Key Board - Sony XR-CA630X Service Manual

XR-CA630X
6-8. PRINTED WIRING BOARD – KEY Board –
1 2 3
KEY BOARD
A (COMPONENT SIDE)
DISPLAY
MODE
B
K A SOURCE
MBP
C
LED901, 912, 917
OFF
A K
D
LED903, 914
A K
KEY BOARD
(CONDUCTOR SIDE)
E
3 1 2
RE901
ROTARY ENCODER
(VOLUME CONTROL)
F
G
H
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No. Location
LED901 D-2
D901 G-6 D971 F-11
LED903 C-1
D903 G-11 D972 F-10
LED912 D-13
D908 F-6
LED914 C-13
D911 G-10 IC901 G-7
LED917 B-13
D912 G-10 IC971 D-11
LED931 C-4
D913 G-10
LED941 C-11
4 5 6
1
(LCD BACK LIGHT)
AF
93
SCRL
7 8 9
LCD901
LIQUID CRYSTAL DISPLAY
IC901
20 20
10 11 12
46
DISC/
PRESET
+
MENU
(LCD BACK LIGHT)
SEEK−
TA
IC971
DISC/
SOUND
2 3
PRESET
−
47
1-683-349-
1 4
1-683-349-
B SUB BOARD
CNP801
(Page 19)
13
K
A
LIST
A K
EQ7
SEEK+
ENTER
11
(11)
11
(11)