Prology DVD-400, Service Manual

Page: 19 / 30

S1
S2
R M C
DATA
STB
CLK
G N D
F1
F2
-24V
+5V
N G
P O W E R
CONTROL 5V
R512
10
C501
0.1U
C502
100U/6.3V
R507
10K
R504 10K
R505 10K
R511
56K
R506 10K
P O W E R
S505
B501
1
2
3
R M C
G N D
VCC
VD503
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
DOUT
DIN
IC
CLK
STB
KEY1
KEY2
KEY3
KEY4
VDD S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12
S13
S14
S15
S16
S17
S18
VDD
VEE
S19
S20
G8
G7
G6
G5 G4 G3 G2 G1
VDD
LED5 LED4 LED3 LED2 LED1
VSS
OSD
VD502
IN4148
R513
100
R514
100
R502
10K
XP501
R503
10K
Q501
LED1
R509 1K
R508
4.7K
C504
100U/6.3V
VFD20-0501
30 27 26 25 24 23 21 20 19 18 17 16 15 14 13 12 8 7 6 5 4 2 1 29 22
F1 P1 P2 P3 P4 P5 P7 P8 P9 P10 P11 P12 P13 P16 P17 P18 5G 4G 3G 2G 1G F2 F2 F1 P6
S501
OPEN/CLOSE
S502
PLAY
R501
10K
S503
PAUSE
S504
STOP
C503
0.1U
VD503
IN4148
D168BK CONTROL CIRCUIT
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