Philips MCD909, Service Manual

Page: 14 / 40

Display Board -- Circuit Diagram
6-1 6-1
S
W
1
1
S
W
2
2
SW
3
3
SW
4
4
DOUT
5
DI
N
6
IC
7
CLK
8
S
T
B
9
KE
Y1
1
0
KE
Y2
11
KE
Y3
12
KE
Y4
13
Vdd
14
S1/KS1
15
S2/KS2
16
S3/KS3
17
S4/KS4
18
S5/KS5
19
S6/KS6
20
S7/KS7
21
S8/KS8
22
S9/KS9
23
S10/KS10
24
S11/KS11
25
S12/KS12
26
S
1
3
27
S1
4
2
8
S
1
5
2
9
S1
6
30
S
17/G1
2
31
S
18/G1
1
32
Vd
d
3
3
V
EE
3
4
S1
9
/G
1
0
35
S2
0
/G
9
36
G8
3
7
G7
38
G6
39
G5
40
G4
41
G3
42
G2
43
G1
44
Vdd
45
LED5
46
LED4(BBE)
47
LED3(POWER)
48
LED2(FANCT)
49
LED1(7507RST)
50
Vss
51
OSC
52
IC601
uPD16311
R602 47K
R605
33
K
R60
6
33K
R60
7
33K
R60
8
33K
K4
K3
K2
K1
D602 4148
STB1 CLK DATA
S2
S3
S4
S5
S6
S7
S8
S9
S1 S2 S
3
S4 S
5
S6 S7
KS2
-2
4
V
S2
C602
104P
R603
3.3/0.5
C604 104P
C603
104P
SW601
5.0
VF
1
1
VF
1
2
S1
3
S2
4
S
3
5
S
4
6
S
5
7
S6
8
S
7
9
S8
10
G1
11
G2
12
G3
1
3
G4
14
G5
15
G
6
1
6
NC
1
7
NC
1
8
NC
19
NC
20
G7
21
G8
22
G9
2
3
G1
0
24
G1
1
25
G12
26
S9
27
S1
0
28
S1
1
29
S1
2
30
S1
3
31
S
1
4
32
S1
5
3
3
S
1
6
34
VF
2
35
VF
2
36
VFD701
NE-1300CD-3.G
S10
S11
S12
S1
3
S
1
4
S1
5
S1
6
G12 G11 G1
0
G1 G2 G3 G4 G
5
G6 G7 G8 G
9
G
2
G3 G4 G5 G6 G7 G
8
G9 S
1
2
S
1
1
G11 G10 S8 G1 S1
0
S9 G12
1
2
3
4
5
6
7
8
9
CN602
2.0/9P
STB1
DATA
CLK
V-GND
CPU+5V
-28V
VF2-1
VF1-1
D603 4148
S3 KS3
R604
3.3/0.5
C605
104P
KS3
C601
47uF
R60
1
4K
7
R609
10
K
R61
0
10K
K1
K2
K3
K4
KS2
CPU+5V
SW608
5.0
SW606
5.0
SW604
5.0
SW602
5.0
SW607
5.0
SW605
5.0
SW603
5.0
KS2
K1
K2
K3
K4
KS3
S1
3
S1
4
S
1
5
S1
6
R613
4.7K
LED601
蓝灯
REM
1
GND
2
Vcc
3
S701
REMOTE
REM
V-GND
REM
C606
47uF
USB LED
D601
4148
1
2
CN603
C
PU+5
V
S1
S1
R611
47R 0.25W
-28V
CPU+5V
CPU+5V