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DVP-LS755P
Q Q
3 7 6 3 1 5 1 5 0
MV-044 (VIDEO AMP) SCHEMATIC DIAGRAM • See page 4-5 for printed wiring board. • See page 4-19 for Waveforms.
1
2
3
MV-044 BOARD (3/5)
A
XX MARK:NO MOUNT
NO MARK:DVD/CD PLAY
B
MV-044 BOARD
XV_MUTE
(2/5)
RGBSEL
DSEL
MV-044 BOARD
(2/5)
EUROVY
C
DISC/XEXT
D
C
V
Y
Y/G
MV-044 BOARD
(2/5)
CB/B
CR/R
WIDE
IPSW
E
T E
L
1 3 9 4 2 2 9 6 5 1 3
B-
F
CN502 21P
JL501
V
21
JL502
VIDEO-5V
20
JL503
C
19
JL504
D_GND_VIDEO
18
JL505
Y
17
D_GND_VIDEO
16
Y/G
15
D_GND_VIDEO
14
G
JL507
Cb/R_Cb/B
13
D_GND_VIDEO
12
ER-027 BOARD
JL509
CN901
Cr/B_Cr/R
11
(SEE PAGE 4-23)
JL510
XV_MUTE
10
JL511
WIDE
9
JL512
SW+5V
8
JL513
DISC/XEXT
7
JL514
H
+11V
6
JL531
ERAUDIOR
5
JL532
P_GND_AUDIO
4
JL533
EUROVY
3
JL534
ERAUDIOL
2
RGBSEL
1
B+
R599
I
XX
P_GND_SPDIF
ERAUDIOL
MV-044 BOARD
R598
0
(4/5)
P_GND_AUDIO
ERAUDIOR
B+
JL515
SW+5V
B+
EVER+11V_VID
J
MV-044 BOARD
(5/5)
GND
JL517
SW-10V
VIDEO-5V
05
B-
w w w
VIDEO AMP
MV-044 (3/5)
4
5
6
7
R541
D510
XX
1SS355TE-17
R582
0
R575
0
R537
XX
B+
Q571,572
BUFFER
B-
4.8
R572
R579
100
100
0.5
0.5
Q571
2SC2712-YGR-TE85L
Q573
R571
2SC2712-YGR-TE85L
XX
0.5
-0.1
-0.1
R574
100
-0.1
Q572
R585
R573
2SA1162-YGR-TE85L
-5
XX
1k
B-
B+
4.8
Q505
MUN2111T1
0
Q504
MUN2213T1
Q504,505
WIDE SWITCH
B+
B-
C505
XX
x
a o
.
i
4-13
http://www.xiaoyu163.com
8
9
10
11
IC502
VIDEO BUFFER
IC502
LA73053-TLM-E
13 14
NC
NC
NC
NC
0.5
4.8
+5V
V_IN
0.7
0.4
V_OUT
DCCNT1
GND
GND
0.6
0
C_OUT
C_IN
3.3
15
NC
MUTE1
0.5
0.4
Y_OUT
Y_IN
1.3
-5
C510
R523
-5V
47u
XX
NC(DCCNT2)
16V
-5
-5V
NC(GND)
R532
NC
10k
NC
0.5
4.8
+5V(NC)
Y_IN(NC)
C511
1.3
0.4
R524
Y/G_OUT
47u
XX
DCCNT2
16V
16
GND
GND
0.6
0
Cb_OUT
Cb_IN
2.8
NC
MUTE2
0.6
0
Cr_OUT
18
Cr_IN
-5
-5
-5V
-5V
17
B-
Q
Q
3
7
FB525
B+
L501
B+
C507
4.8
C514
47u
0.1u
16V
Q573,574
BUFFER
C509
0.1u
0.5
R581
100
-0.1
FB555
Q574
R580
2SA1162-YGR-TE85L
1k
-5
B-
C504
0.01u
C503
0.01u
B+
R538
XX
4.8
IC503
-5V REG
IC503
NJM79M05DL1A(TE2)
0
1
2
3
-5
R539
R521
XX
10k
B-
Q507
C502
XX
47u
C501
16V
0.01u
R554
0
R553
XX
u 1 6 3
y
http://www.xiaoyu163.com
2
4
8
9
9
12
13
14
15
R535
R547
75
0
±0.5%
Y/G
GND
JL526
JL530
R527
COAX
75
±0.5%
JL527
CB/B
GND
R528
JL518
R
75
±0.5%
JL529
CR/R
B+
GND
R530
R548
JL536
L
75
0
±0.5%
JL516
V
C512
0.1u
JL519
C
JL537
GND
R533
R556
75
0
±0.5%
JL538
GND
B-
JL539
GND
R557
0
JL520
Y
R549
GND
0
JL521
B-
6
3
1
5
1
5
0
8
9
B+
XX
C513
47u
16V
D509
D508
STZ6.8N-T146
STZ6.8N-T146
B+
R544
R550
XX
XX
JL528
JL522
Q508
R545
XX
R546
XX
XX
JL523
R596
XX
JL524
R597
XX
JL525
SIGNAL PATH
VIDEO SIGNAL
R526
XX
CHROMA
Y
PB
m
c o
.
4-14
2
8
9
9
16
17
18
LCH_OUT
RCH_OUT
MV-044 BOARD
(4/5)
COAX
J502
XX
J501
COAXIAL
DIGITAL OUT
Y
COMPONENT
P
/C
R
B
B
VIDEO OUT
AUDIO
LINE OUT
P
/C
L
R
R
G
C
S VIDEO OUT
VIDEO
LINE OUT
Y
G
S501
PROGRESSIVE
2
4
9
8
2
9
9
NORMAL
CN503 XX
7
7
Y_OUT
6
6
CB_OUT
5
5
D_GND_VIDEO
4
4
CR_OUT
3
3
LINE3
2
2
D_GND_VIDEO
1
1
LINE2
AUDIO
SIGNAL
Y/CHROMA
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