Printed Wiring Board - Key Board - Sony XR-CA610X Service Manual

XR-CA610X
Q Q
6-11. PRINTED WIRING BOARD – KEY Board –
3 7 6 3 1 5 1 5 0
1 2 3
KEY BOARD (COMPONENT SIDE)
A
DISC/
PRESET+
MBP
MENU
B
.
SEEK–
m
EQ7
C
SOUND
A1 K1
S1 S2
A2 K2
K2 A2
S2 S1
K1 A1 OFF
D
T E
L 1 3 9 4 2 2 9 6 5 1 3
KEY BOARD (CONDUCTOR SIDE)
E
F
G
RE501
ROTARY ENCODER
(VOLUME CONTROL)
H
w w w
• Semiconductor Location
Ref. No. Location Ref. No. Location
D501 H-11 IC502 A-5
D502 G-10
D503 F-10 LED510 C-13
D504 G-6 LED511 B-13
LED512 B-5
IC501 G-9 LED513 C-5
4 5
1 2
3 4
LIST
>
SOURCE SEEK+
M
LED512, 513
(LCD BACK LIGHT)
o
MODE
DISC/
K2
A2 A1
PRESET–
S2 S1 S1
ENTER
K1 A1 A2
x a o
. i
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6 7 8
74
LIQUID CRYSTAL DISPLAY
1
SHUF
DSPL
2
K1 K2 A2 K2 A2
S2 S2 S1 S2 S1
REP
K2 1 K1 A1 K1 A1
Q Q
3 7 6
u 1 6 3
y
28 28
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2 4
8 9 9
9 10 11
38
37
3 4 5
K2 A2
K2 A2 K2 A2
S2 S1 S2 S1 S2 S1
K1 A1 K1 A1 K1 A1
LSW501, 507, 509, 510,
A1
S1
3 1 5 1 5 0 8 9 2
A2
B
m
c o
.
2
8 9 9
12 13
LED510, 511
(LCD BACK LIGHT)
6
K2 A2
11
S2 S1
1-679-991- (11)
K1 A1
LSW514, 517–522
K1
S2
4 9 8 2 9 9
K2
1-679-991-
11
(11)
SUB BOARD
CNP801
(Page 27)