Printed Wiring Board - Key Board - Sony XR-CA800 Service Manual

XR-CA800
6-8. PRINTED WIRING BOARD – KEY Board –
1 2 3
KEY BOARD
(COMPONENT SIDE)
A
LSW921
C905
LSW921
POWER
LED911
ON/OFF
B
LED911, 913
(LCD BACK LIHGT)
LED913
C
C903
D
KEY BOARD
(CONDUCTOR SIDE)
E
LED900
REMOTE
CONTROL
RECEIVER
F
G
• Semiconductor Location
Ref. No. Location Ref. No. Location
D900 B-13 IC900 F-8
IC902 F-1
D901 G-11
D902 G-12 IC903 E-3
D903 G-12
LED900 F-1
D904 G-12
D905 E-11 LED910 B-12
D910 F-4 LED911 B-2
LED912 C-12
D972 G-10
LED913 C-2
4 5 6
87 38
LIQUID CRYSTAL DISPLAY
39
20
7 8 9
1 81
LCD901
80
20
10 11 12
LED910
LED910, 912
(LCD BACK LIHGT)
LED912
1-681-498-
B
SUB BOARD
CNP801
(Page 19)
13
R971
C902
D900
C900
R901
R904
C901
11
(11)
1-681-498-
11
(11)