Electrical Diagram Front DVD727K/
931/751/691/692/781/782/031
A
A
B
B
C
C
D
D
E
E
F
F
1
2
3
4
5
6
7
1
2
3
4
5
6
7
G6
G5
G4
G3
G2
G1
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
2402
100N
3411
4K7
3406
10K
1411
STOP
1412
PLAY
1413
PAUSE
3410
4K7
3409
4K7
3403
10K
3404
10K
2401
2N2
3402
10K
+5VSTBY
F402
F403
F404
3407
47R
2403
4U7
GND
VGL+1
VGL
-1
F405
F426
1
2
3
7404
IR
GND
GND
+5VSTBY
GND
GND
+5V
GND
6400
BAS316
GND
GND
GND
3401
33K
+5VSTBY
3405
1K
+5VSTBY
3416
100R
3415
100R
VEE
SW1
1
SW2
2
SW3
3
SW4
4
DOUT
5
DIN
6
Vss
7
CLK
8
STB
9
KEY1
10
KEY2
11
KEY3
12
KEY4
13
VDD
14
S1/K1
15
S2/K2
16
S3/K3
17
S4/K4
18
S5/K5
19
S6/K6
20
Seg7
21
Seg8
22
Seg9
23
Seg10
24
Seg11
25
Seg12
26
S13/G10
28
S14/G9
29
S15/G8
30
S16/G7
31
VEE
27
G6
32
G5
33
G4
34
G3
35
G2
36
G1
37
VDD
38
LED4
39
LED3
40
LED2
41
LED1
42
Vss
43
OSC
44
LED Driver
Segments/Key
Scan Output
Grids Output
Display
Memory
Command
Decoder
Timing Generator
Input
Register
Interface
Serial
Data
Key
Matrix
Output
Seg/Key
7400
NW6312
P11 P12
P13
P14
P15
G7
G1
G6
G5
G4
G3
G2
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
GND
3417
100R
F401
G7
DATA
CLK
CS
GND
RC
1
2
3
4
5
1403
5PINS
TO PSU
TO MPEG
GND
+12VA
+5V
VEE
GND
F418
F421
NP
3
F1
1
F1
2
P1
4
P2
5
P3
6
P4
7
P5
8
P6
9
P7
10
P8
11
P9
12
P10
13
P11
14
P12
15
P13
16
P14
17
NC
18
NC
19
NC
20
NC
21
NC
22
7G
23
6G
24
5G
25
4G
26
3G
27
2G
28
1G
29
NP
30
F2
31
F2
32
1400
VFD
3418
10R
VEE
+12VA
2409
33n
3423
330R
3424
330R
GND
-V_FIL
3421
470R
2411
100U,50V
3420
330R
2412
GND
3427
10K
GND
3426
4K7
+5VSTBY
3425
4K7
7402
BC857C
7401
BC847C
7403
BC847C
GND
3422
10K
GND
6401
PDZ-6.2B
-V_FIL
0.5KHZ
1KHZ
GND
1KHZ
2415
1U
GND
2414
100N
GND
VGL-1
1
2
3
4
5
6
7
1401
7PINS
+5VSTBY
+5VSTBY
3400
470R
6402
LED
+5V
GND
3428
470R
VGL+1
3408
4K7
GND
1410
OPEN/CLOSE
6403
BAS316
1415
STANDBY
P1
P2
P15
1
2
1402
1
2
1405
1
2
1406
GND
For US
vers
ion
only
2416
100U,35V
8
1400 B5
1401 B1
1402 D2
1403 E7
1405 D1
1406 E4
1410 D1
1411 D2
1412 D2
1413 E2
1415 E4
2401 B2
2402 C2
2403 C2
2409 C6
2411 D6
2412 D5
2414 C5
2415 C6
2416 D5
3400 A3
3401 A2
3402 B2
3403 B3
3404 B3
3405 C2
3406 C2
3407 C2
3408 E2
3409 E2
3410 E2
3411 E2
3415 B2
3416 B2
3417 B2
3418 B8
3420 D5
3421 D5
3422 C5
3423 C6
3424 C6
3425 D7
3426 D7
3427 D7
3428 A3
6400 D3
6401 C5
6402 A3
6403 E3
7400 B3
7401 D6
7402 D6
7403 D6
7404 C1
44
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