Key & Hall Sw - Sony DVP-FX720 Service Manual

DVP-FX720
QQ
3 7 6 3 1 5 1 5 0
4-9. KEY & HALL SW • See page 5-9 for printed wiring board.
1
KEY BOARD
A
5
4
MAIN
3
BOARD
2
(2/6)
1
J1 J1
B
CON2.54_5P CON2.54_5P
D4 D4
C
T E
L 1 3 9 4 2 2 9 6 5 1 3
R3 R3
100K 1% 100K 1%
3.0V
SW1 SW1
5
2
D2 D2
D
1 6
ADD
E
R12 R12
100K 1% 100K 1%
3.0V
www
SW9
2 5
D3 D3
RETURN 1 6
F
ADD
.
05
KEY & HALL SW
KEY
http://www.xiaoyu163.com
2 3 4
FB1 FB1 FB-600R-300mA/0603
FB2 FB2 FB-600R-300mA/0603 KEY0
FB3 FB3 FB-600R-300mA/0603 KEY1
FB4 FB4 FB-600R-300mA/0603
R4 R4 R5 R5 R6 R6
33K 1% 33K 1% 17.8K 1% 17.8K 1% 10K 1% 10K 1%
2.533V 2.113V 1.65V
SW2 SW2 SW3 SW3 SW4 SW4 SW5 SW5
2 5 2 5 2 5
ENTER
1 6 1 6
1 6
R13 R13 R14 R14 R15 R15
33K 1% 33K 1% 17.8K 1% 17.8K 1% 10K 1% 10K 1%
2.533V 2.113V 1.65V
SW10 SW10 SW11 SW12 SW12 SW13 SW13
x a o
2 5 2 5
2 5
y
. x X
1 6 1 1 6
6
i
4-19
http://www.xiaoyu163.com
8
5 6
DV33
PANEL_SW
D1 D1
Q Q
3 7 6 3
R7 R7 R8 R8 R9 R9 R10 R10
5.9K 1% 5.9K 1% 3.24K 1% 3.24K 1% 1.5K 1% 1.5K 1% 0R 0R
1.225V 0.808V 0.430V 0V
SW8 SW8
2 5 2 5 2 5 2 5
MENU
1 6 1 6 1 6
1 6
SW6 SW7
OPTIONS DISPLAY
R16 R16 R17 R17 R18 R18 R19 R19
5.9K 1% 5.9K 1% 3.24K 1% 3.24K 1% 1.5K 1% 1.5K 1% 0R 0R
1.225V 0.808V 0.430V 0V
SW14 SW14 SW15 SW15 SW16 SW16
u 1 6 3
2 5 2 5 2 5 2 5
N
VOL+ VOL-
1 6 1 6 1 6 1 6
.
2 4
9 9 8
7 8
DV33
1
C1 C1
3 0.1uF 0.1uF
2
Q2 Q2
TLE4913 TLE4913
PANEL_SW
KEY0
1 5 1 5 0 8 9 2 4
C2 C2
0.1uF 0.1uF
MARK1 MARK1
OPTICAL MARK OPTICAL MARK OPTICAL MARK OPTICAL MARK
KEY1
C5 C5
0.1uF 0.1uF
m
c o
4-20
2
9 9
9 8 2 9 9
MARK2 MARK2