Vp-58 (Video Buffer) Schematic Diagram - Sony DVP-NS999ES Service Manual

DVP-NS999ES
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 –
1 2
VP-58 BOARD (1/2)
A
B
CN101 21P
GND 21
GND 20
Cr/R 19
GND 18
Cb/B 17
GND 16
Y/G 15
C
GND 14
MB-107 BOARD SY 13
(8/13)
GND 12
CN604
GND 11
(SEE PAGE 4-24)
GND 10
SC 9
GND 8
V 7
D R101
GND 6
WIDE 5
DSEL 4
IP_SW 3
NT/PAL 2
GND 1
NT/PAL
E
IPSW
DSEL
F
G
VP-58 BOARD (2/2)
H
GND
I
1
2
3
B-
-5V
B+
J
+5V
4
5
6
VMUTE
K
05
VIDEO BUFFER
VP-58 (1/2)
3 4 5 6 7
B+
4.9
-0.8 Q103
2SC2712-YG-TE85L
R103 Q114
BUFFER
22 2SA1162-YG-TE85L
0.1 ATT
FL104
R116 R122 0.8
R132
4 6
39 180 1 2 3 5 7 8 9
2200
0.5% 0.5%
0.5%
R109
18 10
1k 16 15 13 12
4.9 B+
R104
22
Q104 Q115
2SA1162-YG-TE85L
2SC2712-YG-TE85L
0.8 ATT
BUFFER
FL105
-0.1
0.1
2 4 6 R133
R117 R123 1 3 5 7 8 9
2200
39 180
0.5% 0.5% 0.5%
R110
18 10
1k 16 15 13 12
4.7 B+
R105
22
Q105
Q116
2SC2712-YG-TE85L
0.6 2SA1162-YG-TE85L
BUFFER
ATT
0
-0.1
FL106
0.1
R118 R124 1 2 3 4 5 6 7 8 9 R134
2200
39 180
0.5% 0.5% 0.5%
R111
1k 18 16 15 13 12 10
4.9
R106
B+
22
Q106
2SC2712-YG-TE85L
0.8
BUFFER
Q117
-0.1 2SA1162-YG-TE85L
ATT
R119 R125
FL107
39 180
0.5% 0.5% 0.1
R135
1 2 3 4 5 6 7 8 9
2200
0.5%
R112
1k 18 16 15 13 12 10
4.9 B+
R107
22
Q107 Q118
2SC2712-YG-TE85L 2SA1162-YG-TE85L
0.8
BUFFER ATT
FL108
-0.1
0.1
R136
R120 R126 1 2 3 4 5 6 7 8 9
2200
39 180
0.5%
0.5% 0.5%
R113
1k 18 16 15 13 12 10
4.9
B+
R108
22
Q108 Q119
2SC2712-YG-TE85L 2SA1162-YG-TE85L
0.8
BUFFER ATT
FL109
-0.1
0.1
R137
R121 R127 1 2 3 4 5 6 7 8 9
2200
39 180
0.5%
0.5% 0.5%
R114
1k 18 16 15 13 12 10
• Waveforms
1 IC110 1, 7
2.4 Vp-p (H)
4-41
8 9 10 11
B+
C124
22u R188
R138
L101 16V
10
1k 100uH
0.8
B-
0.1
C108 R185
C122
0.01u 47u 1k
R181
6.3V
-0.2
47k
-4.8
R182
10k
C123
C109 Q142
0.01u 47u
2SD1938(F)-
B- 6.3V
S(TX).SO
MUTE
B+
L102
100uH
C126
R139
0.1u
1k
0.8
C110
0.01u
-4.8
C111
0.01u
B-
B+
B+
C125
22u
R140
16V
1k
0.8
C112
0.01u
R189
-4.8
10
C113
0.01u
B-
B-
0.1
R186
B+ 1k
R141 -4.8
1k R183
10k
Q143
0.8
2SD1938(F)-
S(TX).SO
MUTE
C114
0.01u
-4.8
C115
0.01u
B-
B+
R142
1k
0.8
B+
C116
0.01u
-4.8
C117
0.01u
B-
R190
B+
10
Q141
R143 UN2111-TX
1k MUTE DRIVE
5
0.8 B-
R179
1k
5 0.1
R187
C118 1k
0.01u
-4.8 -4.8 -4.8
R184
L108 10k
B+ 100uH B+
C119
Q144
0.01u
B- B-
2SD1938(F)-
S(TX).SO
B-
L105 MUTE
100uH
Q135
UN2111-TX
5
B-
5
C136
47u
B+
6.3V
Q134
UN2111-TX
5 0
R196
10
5
C145
47u
5 6.3V
0
Q130
UN2213-TX
R175 R178
10k 10k
Q130, 134, 135
WIDE SWITCH
2 IC109 1, 7 3 IC111 1, 7
1.8 Vp-p (H)
12 13 14 15 16
R199
2200 C168
2p
0.5%
R191
10
R211
2200
0.5%
C146
3
0.01u
-4.9 0.1
4 3 2 1
IC111
VIDEO BUFFER
5 6 7 8
0.1 5
3
C135
0.01u R246
75
R217
R245
2200
0.5% 75
R192
10
C171
R212
2p 2
2200
0.5%
R200
2200 C169 C147
R232
0.1u
0.5% 2p 75
R193
10
R213
C148
R233
2200
0.1u 75
0.5%
C165
0.01u
-4.8 0.1
4 3 2 1
IC109
VIDEO BUFFER
1 2 2
R240 R241
3 3
10k 10k
2 1 1
3 3
5 6 7 8
D107 D109
HZM6.8ZWA1TL HZM6.8ZWA1TL
0.1 5
D108 D113
HZM6.8ZWA1TL HZM6.8ZWA1TL
C164
0.01u
2
R218
R194 2200
10
C172
R214
2p
2200
0.5%
R201 R247
C170
2200 75
2p
0.5%
R195
10
R215 R248
4300
75
0.5%
C167
0.01u
1
-4.8 0.1
4 3 2 1
IC110
VIDEO BUFFER
5 6 7 8
0.1 5
SIGNAL PATH
C166
0.01u
VIDEO SIGNAL
R219 1
4300
0.5%
CHROMA Y
C173
R216
2200 0.5% 2p
PB
2.0 Vp-p (H)
4-42
17 18 19
R259
0
R258
0
J102
R260
0
JL103
1C 4
1CGND 2
R261
0
JL104
2C 8
2CGND 6
S1 9
S VIDEO OUT
2YGND 5
JL105
1 2Y 7
2 1YGND 1
JL106
1Y 3
S2 10
2 1
R262 J101
0 JL107 2P
1V 1
VIDEO OUT
GND 3
R263
0
JL108 2 1
2V 2
Y/CHROMA