S1
S2
S3
R M C
DATA
STB
CLK
G N D
F1
F2
-24V
+5V
N G
P O W E R
CONTROL 5V
S4
R509
1K
S508
RIGHT
R512
10
S511
M E N U
S513
PAUSE
C504
0.1U
C503
100U/6.3V
S501
OPEN/CLOSE
V501
VFD25-0605
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
F1
F1
P17
P16
P15
P14
P13
P12
P1
1
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
G1
G2
G3
G4
G5
G6
G7
F2
F2
R507
10K
R504
10K
VD505
IN4148
S510
NEXT
R505
10K
R508
68K
P O W E R
R506
10K
U501
HS0038
1
2
3
R M C
V C C
G N D
S509
PREV
VD501
IN4148
D501
UPD16311
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
S W 1
S W 2
S W 3
S W 4
D O U T
DIN
IC
CLK
STB
KEY1
KEY2
KEY3
KEY4
VDD
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S1
1
S12
S13
S14
S15
S16
S17
S18
V D D
VEE
S19
S20
G8
G7
G6
G5
G4
G3
G2
G1
VDD
LED5
LED4
LED3
LED2
LED1
VSS
OSD
VD502
IN4148
VD503
IN4148
R513
10
S507
LEFT
R501
10K
XP501
R502
10K
R510
4.7k
VD504
IN4148
LED1
S505
D O W N
C501
100U/6.3V
S502
PLAY
S503
PAUSE
VD506
IN4148
S506
U P
R503
10K
C502
0.1U
S504
STOP
S512
TITLE
DVD8830 KEY CIRCUIT DIAGRAM
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
16
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