Video Buffer) Schematic Diagram - Sony DVP-NS300 Service Manual

DVP-NS300
Q Q
3 7 6 3 1 5 1 5 0
AV-56 (VIDEO BUFFER) SCHEMATIC DIAGRAM • See page 4-29 for printed wiring board, and see page 4-28 for waveforms.
– Ref. No.: AV-56 board; 1,000 series –
1
AV-56 BOARD (1/2)
A
NO MARK:DVD/CD PLAY
B
C
D
AV-56 BOARD (2/2)
E
T E
L 1 3 9 4 2 2 9 6 5 1 3
F
G
H
SIGNAL PATH
I
CHROMA
PB
J
w w w
K
05
VIDEO BUFFER
AV-56 (1/2)
2 3 4 5
B+ B+
AI+5V
VMUTE
B-
V
C
Y
Y/G
CB/R
CR/B
WIDE
IC101
R122
1k
-5V REG
IC101
L79M05TLL-SONY-TL Q106
2SA1162- 1.2
YG-TE85L
BUFFER
0.5
1 2 3
AEP,UK,RUS
-5
C101
0.01u
JL115
B- B-
SW-11V
C102
47u
16V
D_GND
B+
VIDEO SIGNAL
AUDIO
SIGNAL
Y Y/CHROMA
x a o
. i
4-31
http://www.xiaoyu163.com
6 7 8
IC102
VIDEO BUFFER
IC102
LA73050-TLM:36pin :EXCEPT AEP,UK,RUS
LA73051-TLM:24pin :AEP,UK,RUS
NC
C109
0.047u
NC
0.5
VIDEO_IN +5V
0.6
DCCNT1 VIDEO_OUT
GND GND
0.6
C_IN C_OUT
3.3
MUTE1
0.5
Y_IN Y_OUT
1.2
C110
NC(DCCNT2) -5V
47u
16V
NC(GND) -5V
NC
0.6
Y_IN(NC) +5V(NC)
DCCNT2 Y_OUT
1.2
4
GND GND
0.6
Cb_IN Cb_OUT
3.3
MUTE2
0.6
Cr_IN Cr_OUT
-5
-5V -5V
C111
47u
16V
4.9
Q105
UN2111-TX
WIDE SWITCH
EXCEPT AEP,UK,RUS
4.9
0 0
Q Q
3 7 6
R121
Q104
10k
UN2213-TX
WIDE SWITCH
B-
u 1 6 3
y
http://www.xiaoyu163.com
2 4
8 9 9
9 10 11 12
B+
L101
100uH
R129
10k
1
NC
EXCEPT AEP,UK,RUS
NC
4.9
R130
68
0.5
C112
R131
0.1u
68
0
NC
0.5
-5
2
-5
R133
3
68
NC
4.9
0.6
0.1
NC
0.1
-5
5 R134
6
68
3 1 5 1 5 0 8 9
C114 D005 D004
C113
HZM6.8ZWA1TL HZM6.8ZWA1TL
0.1u 47u
16V
R126
68
R127
68
R128
68
EXCEPT AEP,UK,RUS
m
c o
.
4-32
2
8 9 9
13 14
2L
1L
P_GND AV-56 BOARD (2/2)
2R
1R
EXCEPT AEP,UK,RUS AEP,UK,RUS
J101
R R R
AUDIO 2 AUDIO 1 AUDIO
L L L LINE OUT
JL116
VIDEO 2 VIDEO 1 VIDEO
JL117
JL119
J103
S VIDEO OUT
JL120
2 4 9 8 2 9 9
EXCEPT AEP,UK,RUS
JL122 J102
1
JL123
2 COMPONENT
VIDEO OUT
4
JL124
3
P P Y
R B
AEP,UK,RUS
CN102 21P
B-
JL101
21 V
JL102
20 -5V
JL103
19 C
JL104
18 GND
JL105
17 Y
16 GND
JL106
15 Y/G
14 GND
JL107
13 Cb/R
12 GND
JL109 ER-14 BOARD
11 Cr/B CN901
JL110
:AEP,UK,RUS
10 VMUTE
JL111
(SEE PAGE 4-41)
9 WIDE
JL112
8 +5V
JL113
7 DISCEXT
JL114
6 +11V
JL131
5 ERAUDIOR
JL132
B+
4 GND(AU)
JL133
3 EUROVY
JL134
2 ERAUDIOL
JL135
1 RGBSEL
P_GND
D_GND
RGBSEL
ERAUDIOL
AV-56 BOARD (2/2)
EUROVY
ERAUDIOR
AU+11V
DISCEXT
VMUTE
B+