DVP-NS999ES
4-41
4-42
VIDEO BUFFER
VP-58 (1/2)
VP-58 (VIDEO BUFFER) SCHEMATIC DIAGRAM
• See page 4-37 for printed wiring board.
– Ref. No.: VP-58 board; 5,000 series –
– US, CND, KR –
• Waveforms
1
IC110
1
,
7
2.4 Vp-p (H)
2
IC109
1
,
7
1.8 Vp-p (H)
3
IC111
1
,
7
2.0 Vp-p (H)
-4.9
0.1
0.1
0.1
0.1
5
0.1
0.1
-4.8
0.1
0.1
0.1
0.1
5
0.1
0.1
0.1
-4.8
-4.8
0.1
-4.8
0.1
0.1
0.1
0.1
0.1
5
0.1
0.1
-4.8
0.1
4.9
-0.8
4.9
0.8
-0.1
-0.1
4.7
0.6
0.8
4.9
-0.1
4.9
-0.1
0.8
-0.1
4.9
0.8
-0.2
0.8
0.8
0.1
0.8
-4.8
-4.8
0.8
0.1
0.1
0.8
-4.8
0.1
-4.8
0.8
0.1
0.8
-4.8
5
0
5
5
5
0
5
3
B-
2
1
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+
B-
B-
B+
5
5
-4.8
3
2
1
VMUTE
DSEL
IPSW
NT/PAL
0.5%
2200
R217
1k
R185
0.5%
2200
R201
10
R189
10
R195
10k
R183
10
R190
0.5%
2200
R216
10
R188
10
R193
0.5%
2200
R199
1k
R187
10
R196
0.5%
2200
R211
0.5%
2200
R214
1k
R186
2200
R218
0.5%
4300
R215
10k
R182
0.5%
2200
R212
10
R192
10
R194
0.5%
2200
R213
10k
R184
10
R191
0.5%
4300
R219
0.5%
2200
R200
1k
R179
22
R103
22
R104
22
R105
22
R106
22
R107
22
R108
1k
R109
1k
R110
1k
R111
1k
R112
1k
R113
1k
R114
0.5%
39
R116
0.5%
180
R122
0.5%
180
R123
0.5%
39
R117
0.5%
180
R124
0.5%
39
R118
0.5%
39
R119
0.5%
180
R125
0.5%
180
R126
0.5%
39
R120
0.5%
39
R121
0.5%
180
R127
0.5%
2200
R137
0.5%
2200
R136
0.5%
2200
R135
0.5%
2200
R134
0.5%
2200
R133
0.5%
2200
R132
1k
R138
1k
R139
1k
R140
1k
R141
1k
R142
1k
R143
10k
R175
10k
R178
75
R233
75
R232
75
R246
75
R245
10k
R240
10k
R241
75
R248
75
R247
0
R262
0
R263
0
R259
0
R258
0
R261
0
R260
JL104
JL105
JL108
JL103
JL106
JL107
2p
C171
2p
C173
2p
C168
2p
C170
2p
C172
2p
C169
0.01u
C108
0.01u
C109
0.01u
C110
0.01u
C111
0.01u
C112
0.01u
C113
0.01u
C115
0.01u
C114
0.01u
C117
0.01u
C116
0.01u
C119
0.01u
C118
0.1u
C126
0.01u
C135
0.01u
C146
0.01u
C165
0.01u
C164
0.01u
C166
0.01u
C167
0.1u
C147
0.1u
C148
6.3V
47u
C122
6.3V
47u
C123
16V
22u
C124
16V
22u
C125
6.3V
47u
C136
6.3V
47u
C145
2SA1162-YG-TE85L
Q114
2SA1162-YG-TE85L
Q115
2SA1162-YG-TE85L
Q116
2SA1162-YG-TE85L
Q117
2SA1162-YG-TE85L
Q118
2SA1162-YG-TE85L
Q119
2SD1938(F)-
S(TX).SO
Q142
2SD1938(F)-
S(TX).SO
Q143
2SD1938(F)-
S(TX).SO
Q144
2SC2712-YG-TE85L
Q103
2SC2712-YG-TE85L
Q104
2SC2712-YG-TE85L
Q105
2SC2712-YG-TE85L
Q106
2SC2712-YG-TE85L
Q107
2SC2712-YG-TE85L
Q108
UN2213-TX
Q130
Q130, 134, 135
WIDE SWITCH
UN2111-TX
MUTE DRIVE
Q141
UN2111-TX
Q135
UN2111-TX
Q134
0
R101
47k
R181
FL104
7
1
2
3
4
5
6
8
9
10
13
15
16
18
12
FL105
7
1
2
3
4
5
6
8
9
10
13
15
16
18
12
FL106
7
1
2
3
4
5
6
8
9
10
13
15
16
18
12
FL107
7
1
2
3
4
5
6
8
9
10
13
15
16
18
12
FL108
7
1
2
3
4
5
6
8
9
10
13
15
16
18
12
FL109
7
1
2
3
4
5
6
8
9
10
13
15
16
18
12
100uH
L101
100uH
L102
AD8058ARM-REEL
IC111
1
2
3
4
5
6
7
8
AD8058ARM-REEL
IC109
1
2
3
4
5
6
7
8
AD8058ARM-REEL
IC110
1
2
3
4
5
6
7
8
HZM6.8ZWA1TL
D107
1
2
3
HZM6.8ZWA1TL
D108
1
2
3
HZM6.8ZWA1TL
D109
1
2
3
HZM6.8ZWA1TL
D113
1
2
3
2P
J101
1
1V
3
GND
2
2V
Y
C
G
G
C
G
G
Y
J102
2
1CGND
1
1YGND
4
1C
3
1Y
6
2CGND
5
2YGND
8
2C
7
2Y
9
S1
10
S2
21P
CN101
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
100uH
L108
100uH
L105
-5V
+5V
GND
GND
GND
Cr/R
GND
Cb/B
GND
Y/G
GND
SY
GND
GND
GND
SC
GND
V
GND
IP_SW
DSEL
WIDE
VCC
VEE
VCC
VEE
VEE
VCC
GND
NT/PAL
4
5
6
1
2
3
SIGNAL PATH
VIDEO SIGNAL
Y
PB
CHROMA
Y/CHROMA
VIDEO BUFFER
IC110
IC109
VIDEO BUFFER
VIDEO BUFFER
IC111
CN604
(8/13)
(SEE PAGE 4-24)
MB-107 BOARD
D
8
14
10
E
H
18
3
15
19
1
11
2
J
F
I
VP-58 BOARD (1/2)
17
4
C
B
7
6
16
05
13
9
A
K
12
G
5
S VIDEO OUT
1
2
VIDEO OUT
1
2
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
ATT
ATT
ATT
ATT
ATT
ATT
MUTE
MUTE
MUTE
VP-58 BOARD (2/2)