Sony WLL-RX50 Maintenance Manual page 58

1
2
3
+5V
BRN
CN1
1 VCC
2 GND
3 MENU_KEY
4 ENT_KEY
5 CUR_UP
6 CUR_RIGHT
7 CUR_DOWN
8 CUR_LEFT
9 L_RESET
10 GND
12 11
4
5
A B
R2
10k
R1
1k
LE
LEFT
S3
GND
C1
22uF
16V
AL-C
C2
0.1uF
MK
EK
UP
RI
DO
LE
RST
GND
C
KY-539 KY-539
+5V
R3
10k
R4
1k
UP
S4 UP
GND
+5V
R6
10k
R5
1k
RI
RIGHT
S5
GND
+5V
R8 R10
10k 10k
R7 R9
1k 1k
DO RST
DOWN
S6
GND
GND
7-14 7-14
D E
R11
10k
R12
1k
MK
MENU
S1
GND
R14
10k
RST R13
1k
EK
S7
ENTER
S2
GND
F G
KY-539
BOARD NO. 1-687-649-11
LOT NO. 323-
WLL-RX50_KY-539_011_1
WLL-RX50
H