Philips DVP520/05 - Page 23

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
FROM MAIN BOARD
Without VFD,Without LED
With LED,Without VFD
Stuff
CN302(3-4)
When have no karaoke, this inside of circle a piece is

OPEN

CN304(1-4)
CN304(1-8)
With Karaoke
Stuff
Without Karaoke
SWITCH BOARD
CN302(1-4),D302
D302
OPEN
DVP520 FRONT BOARD
IR
+12v/MICIN
AGND
F+
F-
MIC
-24V
-12v/MIC1
POWER-K
+12V/MICIN
MIC1
MIC
GND
LED-
GND
-24V
LED+ DV33
-12V/MIC1
-12V/MIC1MICIN
CLK
CS
5V
F+
F-
DATA
VCC
-24VV
CLK
LED-
CS
VCC
IR
POWER-K
DATA
GND
DV33
DV33
5VV
-24VV
CN304
CON8(2.0)
1
2
3
4
5
6
7
8
RP200
10K
R309
10K
R310
10K
D302
+
C307
47uF
REM301
REM
1
2
3
IR
GND
VCC
C309
1000p(OPEN)
R306
51K
+
C314
22uF/50V
R300 100
ZD301
24V(OPEN)
C302
100p
R204
36K
K303
OPEN/CLOSE
R308
10K
C305
0.1u
C200
0.1u
U301
PT6312
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
SW1 SW2 SW3 SW4 SDout SDin GND SCLK /CS KEY1 KEY2
KEY3
KEY4
VDD
SEG1/K1
SEG2/K2
SEG3/K3
SEG4/K4
SEG5/K5
SEG6/K6
SEG7
SEG8
SEG9
SEG10 SEG11 SEG12
VEE
SEG13 SEG14 SEG15 SEG16
G6 G5
G4
G3
G2
G1
VDD
LED4
LED3
LED2
LED1
GND
OSC
MIC200
1
2
3
1
2
3
1
4
CN302
1
2
3
4
C300
100p
R200
2.2K
R327 33
R205
0(OPEN)
VFD VFD-54
1 2 3 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 19 20 21 22 29 28 27 26 25 24 23 30 31 32
F F NP P15 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 NP NP NP NP 1G 2G 3G 4G 5G 6G 7G NP F F
C306
0.1u
D301
1N4148
C315
0.1u
+
C304
47uF
C202
0.1u
R201
47K
R312 470
C303
0.1u
K301 POWER
R303
10K
C301
100p
R313
0
R304
10K
R305
10K
C205
47uF
R203
1.2K
CN301
CON4(2.0)
1
2
3
4
R202 10K
C308
0.1u
R301 100
K304
STOP
R307
10K
C203
47uF
C204 100p
C201
22uF
C206
0.1u
R206 0(OPEN)
R317
100
+
-
U302A
4558
3
2
1
84
CN303
CON10(2.0)
10
9
8
7
6
5
4
3
2
1
K302
PLAY/PAUSE
R302 100
6-3
6-3
C200 E1
C202 E2
C203 E2
C204 E2
C205 D2
C206 D2
C300 C4
C301 C4
C302 C4
C303 C2
C304 C2
C305 C4
C306 C4
C307 C4
C308 B4
C309 C5
C314 C2
C315 C2
CN301 E5
CN302 E4
CN303 A2
CN304 B2
D301 C6
D302 E4
K301 E4
K302 C6
K303 C6
K304 C6
MIC200 E1
R200 E1
R201 E2
R202 E2
R203 E2
R204 E2
R300 C4
R301 C4
R302 C4
R303 C4
R304 C4
R305 C4
R306 C4
R307 C7
R308 C7
R309 D7
R310 D7
R312 E6
R313 C2
R317 C2
R327 C3
REM301 C1
RP200 E3
U301 B5
U302 E2
VFD B5
ZD301 C2
