Video Buffer) Schematic Diagram - Sony DVP-NC600 Service Manual

DVP-NC600
AV-57 (VIDEO BUFFER) SCHEMATIC DIAGRAM • See page 4-29 for printed wiring board, and see page 4-28 for waveforms.
– Ref. No.: AV-57 board; 1,000 series –
1 2 3
AV-57 BOARD (1/2)
A
NO MARK:DVD/CD PLAY
VMUTE
B
EUROVY
ERAUDIOL
RGBSEL
V
C
C
Y
AV-57 BOARD (2/2) Y/G
D
CB/R
CR/B
E
WIDE
DISCEXT
F
ERAUDIOR
B-
G
IC101
-5V REG
IC101
L79M05TLL-SONY-TL
H
1 2 3
-5
B- JL101
C102
C101
47u
0.01u
16V
B-
I
SIGNAL PATH
VIDEO SIGNAL
AUDIO
SIGNAL
CHROMA Y Y/CHROMA
PB
05
VIDEO BUFFER
AV-57 (1/2)
4 5 6 7
B+ B+
B+
B-
AEP,UK
Q106
2SA1162-YG-TE85L
BUFFER
R108
4.9
1k
Q105
1.2
UN2111-TX
WIDE SWITCH
4.9
0.5
0
0
Q104
R107
UN2213-TX 10k
WIDE SWITCH
B+
R101
0
R102
0
R103
0
B-
4-31
8 9 10
B+
L101
100uH
B+
B-
IC102
LA73050-TLM:36pin :US,Canadian,PX,Australian
LA73051-TLM:24pin :AEP,UK
C105
B+
0.047u 1
NC NC
NC NC
0.5 4.9
VIDEO_IN +5V
0.6 0.5
DCCNT1 VIDEO_OUT
GND GND
0.6 0
C_IN C_OUT
3.3
B-
MUTE1 NC
0.5 0.5
Y_IN Y_OUT
1.2 -5
C103
NC(DCCNT2) -5V
47u
-5
16V 3
NC(GND) -5V
B-
NC NC
0.6 4.9
Y_IN(NC) +5V(NC)
DCCNT2 Y_OUT
1.2 0.6
4
GND GND
0.6 0.1
Cb_IN Cb_OUT
3.3
MUTE2 NC
0.6 0.1
Cr_IN Cr_OUT
-5 -5
-5V -5V
C104 5
6
47u
16V
B-
US,Canadian,PX,Australian
IC102
VIDEO BUFFER
C106 C107
0.1u
47u
16V
B-
B+
11 12 13
R113
10k
R115 R122
68 0 JL103
C108
R114 R121
0.1u
68 JL102
0
US,Canadian,PX,Australian
R123
0 JL104
2
R116
68
D101
HZM6.8ZWA1TL
D102
HZM6.8ZWA1TL
R117 R124
JL105
68 0
US,Canadian,PX,Australian
R118 R125
68 0 JL106
R119 R126
68
0 JL107
R120 R127
68 0 JL108
C115 AEP,UK
47u
JL109
16V
B- JL110
JL111
JL112
B+
JL113
C116
47u
16V JL114
C111
47u
16V JL115
C112
47u
16V JL116
C113 JL117
47u
16V JL118
JL120
JL121
JL122
JL123
JL124
JL125
JL126
JL127
B-
B+
B+
4-32
14 15
1L
2L
AV-57 BOARD (2/2)
1R
2R
US,Canadian,PX,
Australian AEP,UK
J101
R R R
AUDIO 2 AUDIO 1 AUDIO
LINE OUT
L L L
VIDEO 2 VIDEO 1 VIDEO
J103
S VIDEO OUT
US,Canadian,PX,Australian
J102
COMPONENT
VIDEO OUT
Y P P
B R
AEP,UK
CN101 21P
1 V
2 -5V
3 C
4 GND
5 Y
6 GND
7 Y/G
8 GND
9 Cb/R
10 GND
ER-16 BOARD
11 Cr/B CN901
:AEP,UK,
12 VMUTE
(SEE PAGE 4-37)
13 WIDE
14 +5V
15 DISCEXT
16 +11V
17 ERAUDIOR
18 GND(AU)
19 EUROVY
20 ERAUDIOL
21 RGBSEL
P_GND
D_GND
SW-11V
AV-57 BOARD (2/2)
+5V
AU+11V