A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
URST#
89G_3V3
DV33
RFV33
RFV33
URST#
+12V
+5VD
+5VP
VSDA
IR
MO_VCC
AADVDD
PCON
AADVDD
V12
SD33
USBPC
VSTB
VSCK
USBPC
GND
+P12V
PCON
POWER_K
RESET_A
IR
VSDA
VSCK
VSTB
POWER_K
89G_3V3
RFV33
DV33
DV33
MO_VCC
+12V
SD33
MO_VCC
AADVDD
DV33
V12
VCC
89G_3V3
VCC
DV33
DV33
DV33
89G_3V3
3
DV33
(2,3,4,7)
RFV33
3
URST#
(3,4)
VSDA
3
IR
3
MO_VCC
(2,3,6)
REGO1
3
REGO2
3
TR_B2
3
TR_B1
3
AADVDD
3
V12
(3)
SD33
4
PCON
3
VSTB
3
VSCK
3
USBPC
3
POWER_K
3
RESET_A
OFF-PAGE CONNECTION
RESET Circuit
C21 must closer to PIN43 of 1389L/K.
URST#
960mA
100mA
+12V: +12V(+-10%)
+5V: +5V(+-2.5%)
AUDIO ADC
810mA
370mA
440mA
TO FRONT PANEL
R52
220
R52
220
C107
0.1uF
C107
0.1uF
R33
10K
R33
10K
R34
0
R34
0
R16
4.7K/NC
R16
4.7K/NC
C42
100pF/NC
C42
100pF/NC
C4
0.1uF
C4
0.1uF
C82
0.1uF/NC
C82
0.1uF/NC
C108
0.1uF
C108
0.1uF
C81
0.1uF/NC
C81
0.1uF/NC
C76
0.1uF
C76
0.1uF
R29
1K
R29
1K
+
CE3
220uF/16V
+
CE3
220uF/16V
R15
15K/NC
R15
15K/NC
R326
1K
R326
1K
C21
0.1uF
C21
0.1uF
R95
20K 1%
R95
20K 1%
R40
4.3R/2W
R40
4.3R/2W
Q2
BT3904
Q2
BT3904
R17
3.3K/NC
R17
3.3K/NC
C109
0.1uF
C109
0.1uF
R120
10K
R120
10K
R22
NC/0
R22
NC/0
R6
4.7/0603
R6
4.7/0603
+
CE5
47uF/16V/NC
+
CE5
47uF/16V/NC
C111
0.1uF
C111
0.1uF
C45
100pF/NC
C45
100pF/NC
R26
1K
R26
1K
R12
4.7K
R12
4.7K
XP5
8PIN/2.0mm
XP5
8PIN/2.0mm
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
R53
220
R53
220
R54
NC/10K
R54
NC/10K
Q21
2N3904/NC
Q21
2N3904/NC
C46
100pF
C46
100pF
C77
1uF
C77
1uF
R48
1R/1W
R48
1R/1W
Q22
2N3904/NC
Q22
2N3904/NC
R51
220
R51
220
R58
2.2K
R58
2.2K
C12
0.1uF
C12
0.1uF
+
CE23
47uF/6.3V
+
CE23
47uF/6.3V
D30
RL207
D30
RL207
Q16
SS8550
Q16
SS8550
C44
100pF/NC
C44
100pF/NC
FB1
500
FB1
500
Q17
SS8550
Q17
SS8550
R8
0/FB500
R8
0/FB500
C73
0.1uF
C73
0.1uF
Q10
SS8550
Q10
SS8550
C1
0.1uF
C1
0.1uF
Q3
SS8550
Q3
SS8550
R10
NC/0
R10
NC/0
R13
10K
R13
10K
R14
1.3K
R14
1.3K
+
CE4
220uF/16V
+
CE4
220uF/16V
R115
4.7K
R115
4.7K
C75
0.1uF
C75
0.1uF
+
CE24
47uF/6.3V
+
CE24
47uF/6.3V
5pin/2.5mm
XP1
5pin/2.5mm
XP1
1
2
3
4
5
+
CE6
100uF/16V/NC
+
CE6
100uF/16V/NC
R96
12K 1%
R96
12K 1%
+
CE7
10uF/16V
CEL5-5
+
CE7
10uF/16V
CEL5-5
R19
27K
R19
27K
R18
3.3K/NC
R18
3.3K/NC
C43
0.1uF
C43
0.1uF
R50
100
R50
100
FB6
500
FB6
500
6-4
6-4
Main Board Circuit Diagram: Power Supply
Содержание DVP3880K
Страница 37: ...6 10 6 10 Front Control Board Print layout bottom side ...
Страница 38: ...6 11 6 11 Karaoke and USB board Print layout top side bottom side ...
Страница 39: ...6 12 6 12 Power Supply Print layout bottom side ...
Страница 40: ...6 13 6 13 Main Board Print layout top and bottom sides ...