Philips MCD 908, Руководство по обслуживанию

Страница: 14 / 33

7 - 1 7 - 1
CIRCUIT DIAGRAM - VFD BOARD
SW1
1
SW2
2
SW3
3
SW4
4
D
O
U
T
5
D
IN
6
IC
7
C
LK
8
ST
B
9
KEY1
10
KEY2
11
KEY3
12
KEY4
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
S1
3
27
S1
4
28
S1
5
29
S1
6
30
S1
7/
G
12
31
S1
8/
G
11
32
V
dd
33
VE
E
34
S1
9/
G
10
35
S2
0/
G
9
36
G
8
37
G
7
38
G
6
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
R
60
5
33
K
R
60
6
33
K
R
60
7
33
K
R
60
8
33
K
K4
K3
K2
K1
D602
4148
D601 4148
STB
1
C
LK
DATA
S1
S2
S3
S4
S5
S6
S7
S8
S9
S1 S2 S3 S4 S5 S6 S7
KS2
-2
4V
+5VS
S1
S2
C602
104P
R603
3.3/0.5
C604
104P
SW601
5.0
VF1
1
VF1
2
S1
3
S2
4
S3
5
S4
6
S5
7
S6
8
S7
9
S8
10
G
1
11
G
2
12
G
3
13
G
4
14
G
5
15
G
6
16
N
C
17
N
C
18
N
C
19
N
C
20
G
7
21
G
8
22
G
9
23
G
10
24
G
11
25
G
12
26
S9
27
S1
0
28
S1
1
29
S1
2
30
S1
3
31
S1
4
32
S1
5
33
S1
6
34
VF2
35
VF2
36
VFD701
NE-1300CD-3.G
S10
S11
S12
S1
3
S1
4
S1
5
S1
6
G
12
G
11
G
10
G
1
G
2
G
3
G
4
G
5
G
6
G
7
G
8
G
9
G
2
G
3
G
4
G
5
G
6
G
7
G
8
G
9
S1
2
S1
1
G
11
G
10
S8 G
1
S1
0
S9 G
12
1
2
3
4
5
6
7
8
9
CN602
9P/2.0
STB1
DATA
CLK
V-GND
+5VS
-28V
VF2-1
VF1-1
D603 4148 S3 KS3
R604
3.3/0.5
KS3
C601
47uF
R601
4K7
R
60
9
10
K R610
10K
K1
K2
K3
K4
KS2
+5VS
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
S1
5
S1
6
R613
4.7K
note: tolerance RES±10％
CAP±20％
Special parts nated beside parts
All parts comply with suppliey envirnment
protect material licf regulate by green
envionment management
LED601
蓝灯
REM
1
GND
2
Vcc
3
S701
REMOTE
REM
V-GND
+5VS
REM
R611
47
C606
47uF
USB LED
US
B
LE
D
1 2
CN603
+5
V
S
R614
1K