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Philips DVP3960/37 Service Manual Page 13

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6-1
1
DVP3960/37 Front Board Electrical Diagram
A
+5V
R320
R317
470
10K
Q306
3904
R321
R314
18K
C309
0.1u
470
Q305
Q300
3904
R338
3904.
1K
R318 4.7K
R319
10K
C313
R339
1000p
1K
B
C
FROM MAIN BOARD
CON301
MIC
1
AGND
2
+12V
3
-24V
4
IR
5
DV33
6
GND
7
DATA
8
CS
9
CLK
10
LED-
11
POWER_K
12
CON12(2.0)
C314
47p
D
-12V
+6V
CE200
C200
CE201
C201
22uF
0.1u
22uF
0.1u
MIC200
R200
R201
2
2
1.2K
2.2K
1
1
E
C202
3
3
Q200
3904
100p
C207
D200
1uF/0805
1N4148
R204
R203
R202
1K
8.2K
4.7K
J1
0
AGND
GND
When have no karaoke, this inside of
circle a piece is"OPEN"
F
1
2
3
VFD
R341
12
+12V
AC2
CE302
R322
470
R324
330
R325
12
AC1
Q301
3.3uF/50V
3904
ZD303
R323
CE303
6.2V
10K
3.3uF/50V
C305
0.1u
Q302
-24V
3906
34
35
CE300
C304
C303
R303
R304
R305
R306
36
47uF
0.1u
0.1u
10K
10K
10K
51K
37
+5V
38
39
+
40
ZD301
41
5.1V
42
43
R316
1K
44
+12V
R327
1K
CS
R300
100
CLK
R301
100
DATA
R302
100
C302
C301
C300
100p
100p
100p
-24V
C310
CE304
0.1u
22uF/50V
+12V
R211
1K
C205
47p
+6V
R212
1K
R213
1K
R205
56K
-12V
-24V
R210
3.3K
-12V
L200
U302A
ZD200
2
12V
1
1.8uH
3
C203
NJM4558
C204
NJM4558
100p
RP200
100p
5
R208
+
10K
MIC
7
+12V
C208
6
-
1uF/0805
1K
U302B
R209
R207 6.8K
R206
C206
47p
3.9K
C209 1uF/0805
J2
J3
0
0
AGND
GND
AGND
GND
2
3
4
VFD-54
AC2
-24V
22
G4
SEG8
PT6312
21
G3
SEG7
20
G2
SEG6/K6
U301
19
G1
SEG5/K5
18
VDD
SEG4/K4
17
LED4
SEG3/K3
16
LED3
SEG2/K2
15
LED2
SEG1/K1
14
LED1
VDD
+5V
D301
13
GND
KEY4
1N4148
12
OSC
KEY3
R311
C307
47p
2.2K
C322
K302
47p
R307
PLAY
R312
C321
2.2K
10K
C320
47p
47p
K303
R308
stop
R313
2.2K
10K
OPEN/CLOSE
C319
47p
K304
R309
10K
R310
10K
C318
47p
REM301
3
VCC
2
GND
1
IR
REM
C315
47p
LED+
1
2
GND
3
POWER_K
4
CON302
CON4(2.0)
680
4
6-1
5
DV33
R315
100 ohm
IR
+
C306
CE301
0.1u
47uF
R326 470
DV33
LED-
C317
47p
C316
47p
5
6
A
B
C
D
E
F
6

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