Video Buffer) Schematic Diagram - Sony DVP-NS715P Service Manual

Q Q
AV-63 (VIDEO BUFFER) SCHEMATIC DIAGRAM
3 7 6 3 1 5 1 5 0
– Ref. No.: AV-63 board; 1,000 series –
1 2 3
AV-63 BOARD (1/2)
A
NO MARK:PB MODE
B+
AI+5V
VMUTE
B
V
C
C
Y
Y/G
D
CB/R
AV-63 BOARD (2/2) CR/B
T E
L 1 3 9 4 2 2 9 6 5 1 3
E
WIDE
IC101
-13V REG
IC101
NJM79M05DL1A(TE2)
F
1 2
B-
G
SW-13V
D_GND
C101
0.01u
H
• Waveforms
05
1 IC102 ed 3 IC102 wl
w w w
.
2.4 Vp-p (H)
4 5 6
R162 L101
0 100uH
C109
0.047u
C110
47u
16V
Q105 4.5
UN2111-TX
C111
WIDE SWITCH
47u
16V
4.7
0
0
R121
C126
3300
Q104
UN2213-TX
WIDE SWITCH
R115
3300
5.0
0
Q106
UN2113-TX
I/P SWITCH
5.0
3
-5.0
B- B+
C102 ET101
47u
16V
C103
220p
5 IC102 ws
x a o
y
i
2.0 Vp-p (H) 1.3 Vp-p (H)
4-29
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8
7 8 9
SIGNAL PATH
CHROMA
PB
B+
B-
IC102 LA73053-TLM-E
1
NC NC
NC NC
0.5 4.5
VIDEO_IN +5V
0.6 0.6
DCCNT1 VIDEO_OUT
C112
GND GND
0.1u
0.6 0.1
C_IN C_OUT
3.4
MUTE1 NC
0.5 0.6
Y_IN Y_OUT
1.1 -5.0
NC(DCCNT2) -5V
-5.0
NC(GND) -5V
4
3
NC NC
0.5 4.5
Y_IN(NC) +5V(NC)
1.1 0.6
DCCNT2 Y_OUT
GND GND
0.6 0.1
Cb_IN Cb_OUT
3.4
MUTE2 NC
0.6 0.1
Cr_IN Cr_OUT
-5.0 -5.0
6
-5V -5V
Q Q
3 7 6 3
IC102
VIDEO BUFFER C113
47u C114
47u
0.1u
16V
16V
3.4
Q107
UN2213-TX
I/P SWITCH
2 IC102 ea 4 IC102 wf
u 1 6 3
.
1.8 Vp-p (H)
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2 4
9 9 8
10 11 12
VIDEO SIGNAL
AUDIO
SIGNAL
Y Y/CHROMA
R129
10k
2
R130
68
JL116
R131
68 JL117
R169
68
R133
68 JL119
D101 D102
HZM6.8ZWA1TL HZM6.8ZWA1TL
5
D103 D104
R134
HZM6.8ZWA1TL HZM6.8ZWA1TL JL120
68
1 5 1 5 0 8 9 2 4
R170
68
R126
68 JL122
JL123
R127
68
R128
JL124
68
S101
R158 R159
R157
1k 1k 1k
SELECTABLE
INTERLACE
PROGRESSIVE
6 IC102 w;
m
c o
2.0 Vp-p (H) 1.3 Vp-p (H)
4-30
DVP-NS715P
2
9 9
13 14
2L
1L
P_GND AV-63 BOARD (2/2)
2R
1R
J101
R R
AUDIO 2 AUDIO 1
L L
LINE OUT
VIDEO 2 VIDEO 1
J103
S VIDEO OUT
9 8 2 9 9
2 1
DSEL
AV-63 BOARD (2/2)
J104
COMPONENT
VIDEO OUT
C C Y
r b
SCAN SELECT
AV-63 BOARD (2/2)
IPSW
VIDEO BUFFER
AV-63 (1/2)