Video Buffer) Schematic Diagram - Sony DVP-NS700P Service Manual

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