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DVP-NS700P
4-35
4-36
VIDEO BUFFER
AV-58 (1/2)
AV-58 (VIDEO BUFFER) SCHEMATIC DIAGRAM
• See page 4-33 for printed wiring board, and see page 4-32 for waveforms.
– Ref. No.: AV-58 board; 1,000 series –
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
NO MARK:DVD/CD PLAY
0.6
-5
0.1
0.1
0.6
4.9
-5
-5
0
0.5
0.5
4.9
0.5
2
3
0.6
1
-5
4
0.6
3.3
5
1.2
6
0.6
1.2
0.5
3.3
0.6
4.9
4.9
0
-5
-10.5
3.3
5
0
5.1
-0.3
5
-0.3
-0
3.4
-5
-0.1
3.4
-5
-0.1
-0.1
0.6
5
1.1
1.1
1.1
0.6
0.3
5
5
5
0.1
0
-5
7
9
8
0.5
0.5
-0.1
-5
-5
-5
0.6
1.1
1.1
UN2111-TX
Q105
10k
R129
0.1u
C114
68
R134
68
R130
0.1u
C112
68
R133
100uH
L101
JL117
68
R131
JL119
16V
47u
C113
3300
R121
JL120
UN2213-TX
Q104
75
R126
75
R127
75
R128
VMUTE
JL116
IC101
L79M05TLL-SONY-TL
GND
1
IN
2
OUT
3
0.047u
C109
16V
47u
C102
JL122
JL123
JL124
2SA1162-YG-TE85L
Q101
2SA1162-YG-TE85L
Q102
2SA1162-YG-TE85L
Q103
47u
C110
16V
47u
C111
16V
P_GND
1L
2L
2R
1R
0
R139
0
R140
LA73050-TLM
IC102
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
21
20
V
C
Y
WIDE
Y/G
CB/R
CR/B
1k
R157
1k
R158
1k
R159
S101
16V
47u
C106
0
R113
16V
47u
C119
0.01u
C118
10k
R107
0
R111
47k
R141
0
R114
0.01u
C103
47k
R153
TC74HC4053AF(EL)
IC103
1
2
3
4
5
6
7
8
9
1
01
11
21
31
41
51
6
LA7104M-TLM
IC104
1
2
3
4
5
6
7
8
9
1
01
11
21
31
41
51
6
UN2213-TX
Q107
16V
47u
C115
16V
47u
C104
0
R155
16V
47u
C108
UN2113-TX
Q106
16V
47u
C107
0.01u
C105
10k
R108
47k
R135
0
R156
0.01u
C120
16V
47u
C121
3300
R115
0
R112
22k
R154
10k
R109
0.01u
C101
9P
CN102
1
2
3
4
5
6
7
8
9
10k
R101
10k
R102
10k
R103
1k
R104
1k
R105
1k
R106
0
R160
J101
2
1V
5
1L
3
VGND
1
2V
9
RGND
7
2R
8
1R
6
LGND
4
2L
J102
1
PR/R-Y
2
GND1
3
PB/B-Y
4
Y
5
GND2
200
R163
200
R164
200
R165
220
R166
220
R167
220
R168
16V
47u
C126
Y
C
G
G
C
G
G
Y
J103
1CGND 7
8
1YGND
1C 5
6
1Y
3
2CGND
4
2YGND
1
2C
2
2Y
9
GND
10
S
0
R171
68
R169
68
R170
0
R172
HZM6.8ZWA1TL
D101
HZM6.8ZWA1TL
D102
HZM6.8ZWA1TL
D103
HZM6.8ZWA1TL
D104
0
R162
AI+5V
SW-11V
D_GND
IPSW
1
A
VIDEO_IN
DCCNT1
GND
C_IN
MUTE1
Y_IN
NC(DCCNT2)
NC(GND)
Y_IN(NC)
DCCNT2
GND
Cb_IN
MUTE2
Cr_IN
+5V
VIDEO_OUT
GND
C_OUT
NC
Y_OUT
-5V
NC
+5V(NC)
Y_OUT
GND
Cb_OUT
Cr_OUT
-5V
NC
-5V
NC
NC
NC
NC
NC
-5V
Y OUT
C
X_COM
DR CTL
0Z
+5V
1Z
MUTE2
Z_COM
A
Y_COM
NFB1
NFB3
-5V
MUTE1
0X
GND
Y IN
B
VEE
Cr OUT
Cb OUT
VCC
1Y
Cr IN
NFB2
GND
0Y
-5V
INH
1X
Cb IN
GND
Y
+5V
Cb
GND
Cr
-5V
GND
DSEL
R
R
VIDEO 2
L
AUDIO 2
AUDIO 1
L
VIDEO 1
LINE OUT
S VIDEO OUT
C
Y
r
b
C
COMPONENT
VIDEO OUT
1
2
IC101
-5V REG
IC103
VIDEO SELECTOR
IC104
VIDEO BUFFER
IC102
VIDEO BUFFER
SIGNAL
CHROMA
PB
Y
Y/CHROMA
AV-58 BOARD (2/2)
(SEE PAGE 4-28)
MB-100 BOARD (9/10)
CN902
BUFFER
BUFFER
BUFFER
SIDE SWITCH
SIDE SWITCH
13
2
4
F
19
12
5
G
K
11
8
7
6
E
05
B
H
AV-58 BOARD (1/2)
I
16
9
17
3
D
18
C
15
10
J
14
INTERLACE
PROGRESSIVE
SELECTABLE
SCAN SELECT
I/P SWITCH
I/P SWITCH
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299