Sony DVP-NS705V Service Manual page 26

DVP-NS705V/NS755V/NS905V/NS915V
AV-64 (VIDEO BUFFER) SCHEMATIC DIAGRAM • See page 4-35 for printed wiring board.
– Ref. No.: AV-64 board; 1,000 series –
1 2 3
AV-64 BOARD (1/3)
A
NO MARK:PB MODE
B
V
C
VMUTE
Y
C
Y/G
CB/R
D CR/B
WIDE
E
AV-64 BOARD (2/3)
IP_SW
B+
AI+5V
-5V
B-
F
IC102
NJM79M05DL1A(TE2)
IC102
-5V REG
1 2 3
R140
-5
33
1W
G B-
SW-13V
C106
47u
16V
D_GND
C105
C101
0.1u
47u
25V
05 AU+11V
• Waveforms
1 IC103 wa : AEP, UK, RUS
IC103 ed : EXCEPT AEP, UK, RUS
2.4 Vp-p (H)
VIDEO BUFFER
AV-64 (1/3)
4 5 6
LA73051-TLM
LA73053-TLM-E
L101
D109
B+ 22uH
1SR154-400TE-25
C109
0.047u
0.5
0.6
0.6
3.4
0.5
EXCEPT NS705V/NS905V:AEP,UK,RUS 1.1
C107
47u
R141
16V
0
0.5
1.1
0.6
3.4
0.5
-5.0
4.5
C108
Q105
47u
UN2111-TX
16V
4.7
Q104
UN2213-TX
Q104,105
0
WIDE SWITCH
0
R103
3300
B+
B-
2 IC103 ql : AEP, UK, RUS
IC103 ea : EXCEPT AEP, UK, RUS
1.8 Vp-p (H)
4-39
7 8 9
SIGNAL PATH
VIDEO SIGNAL
*IC103
CHROMA
:NS705V/NS905V:AEP,UK,RUS(24PIN)
:NS755V/NS905V:EA,ME,AUS,NZ/NS915V(36PIN)
PB
B+
R108
10k
IC103
*
1
NC NC
2
NC NC
4.5
VIDEO_IN +5V
0.6
DCCNT1 VIDEO_OUT
C113
GND GND
0.1u
0.1
C_IN C_OUT
MUTE1 NC
0.6
Y_IN Y_OUT
-5.0
NC(DCCNT2) -5V
-5.0
NC(GND) -5V 4
3
NC NC
4.5
Y_IN(NC) +5V(NC)
0.6
DCCNT2 Y_OUT
GND GND
0.1
Cb_IN Cb_OUT
5
MUTE2 NC
0.1
Cr_IN Cr_OUT
-5.0
6
-5V -5V
B-
IC103
VIDEO BUFFER
C110 C112
C111
47u 47u
0.1u
16V 16V
3 IC103 qj : AEP, UK, RUS
IC103 wl : EXCEPT AEP, UK, RUS 4 IC103 wf : EXCEPT AEP, UK, RUS
2.0 Vp-p (H)
The components identified by mark 0 or dotted Les composants identifiés par une marque 0 sont
line with mark 0 are critical for safety.
critiques pour la sécurité. Ne les remplacer que
Replace only with part number specified. par une pièce portant le numéro spécifié.
10 11 12
JL134
JL135
AUDIO
SIGNAL
Y Y/CHROMA
JL136
JL137
J102
R1 1
RGND 3
R2 2
L1 4
LGND 6
EXCEPT NS705V/
R109 L2 5
NS905V:AEP,UK,RUS
68
R101
JL101
0 V1 7
VGND 9
R110
68 JL102
V2 8
R111
68 JL103
1C 4
1CGND 2
R112
68
JL104
2C 8
2CGND 6
D106
D101
HZM6.8ZWA1TL
HZM6.8ZWA1TL
S1 9
D102 D107
2YGND 5
R113
HZM6.8ZWA1TL HZM6.8ZWA1TL
68 JL105
2Y 7
1YGND 1
R114
JL106
68
1Y 3
S2 10
EXCEPT NS705V/
NS905V:AEP,UK,RUS
J103
R115
3P
68
JL107
R-Y 1
RYGND 2
R116
68 JL108
B-Y 3
BYGND 4
R117
68
JL109 Y 5
YGND 6
R118
68
JL107
R119
68
JL108
R120
68
JL109
EXCEPT NS705V/
NS905V:AEP,UK,RUS
R124 R136 R137
1k
1k 1k S101
1
SELECTABLE
2
3
INTERLACE
4
PROGRESSIVE
5 IC103 ws : EXCEPT AEP, UK, RUS
2.0 Vp-p (H) 1.3 Vp-p (H)
4-40
13 14
2L
1L
P_GND
AV-64 BOARD (2/3)
2R
1R
EXCEPT NS705V/
NS905V:AEP,UK,RUS NS705V/NS905V:AEP,UK,RUS
R R R
AUDIO 2 AUDIO 1 AUDIO
L L L
VIDEO 2 VIDEO 1 VIDEO
EXCEPT NS705V/NS905V:AEP,UK,RUS
J101
S VIDEO OUT
2 1
C
r
COMPONENT
C
b
VIDEO OUT
Y
EXCEPT NS705V/
NS905V:AEP,UK,RUS
NS755V/NS915V
SCAN SELECT
6 IC103 w; : EXCEPT AEP, UK, RUS
1.3 Vp-p (H)