Schematic Diagram - Video Board (3/3) - Sony STR-DA1200ES Service Manual

6-36. SCHEMATIC DIAGRAM – VIDEO Board (3/3) –
(3/3)
CH1IN
CH2IN
CH3IN
DELAY
IC6721
TDA4665T
VP2
VI(R-Y)
NC
NC
GND2
VI(B-Y)
IC
NC
SAND
VO(B-Y)
NC
VO(R-Y)
IC
GND1
IC
VP1
STR-DA1200ES
• See page 44 for Waveforms. • See page 72 for IC Block Diagrams.
C6719
1
50V
X6703
500kHz
R6710
330
C6702
1
50V
IC6701
C6701 CXA2199
1
50V
CHROMA DECODER
C6706 0.1
C6705 0.1
C6704 0.1
C6703 0.1
C6709
C6721
0.47
0.1
50V
C6707 C6708
15p 15p
Q6701
2SA1162
R6713
BUFFER
2.2k
R6708 R6707
220 100 C6720
R6709 330k
100p
C6717 0.47 50V
C6715 4700p
R6714
3.3k
C6714 1 50V
R6706 100 R6715 3.3k
R6705 100 R6716 3.3k
C6713 0.47 50V
R6704 47k
D6721 D6722 D6723 R6717
C6724 1SS355 1SS355 1SS355 180k
C6716 0.1
100
16V
R6736
100k
VIDEO SELECT
IC6751
C6712 C6753
TC4053BF
47 0.0022
25V
GND
C
VEE
B
INH
A
0Z
0X
ZCOM
1X
1Z
XCOM
C6641 0Y
10 YCOM
50V 1Y
VCC
FB6801
59 59
SYNC DETECT
IC6731
LA7213
COM2-LAT
LAT
R6734 Q6731 COM2-DATA
1k DTC144EKA
INH
INVERTER
R6733
4.7k IIC-DATA
IIC-CLK
D6731 C6731
OSD-LAT
1SS355 3.3
50V
IIC-DATA OSD-CLK
C6734
0.1
IIC-CLK OSD-DATA
R6735
0 R6731
C6733
330
1000
6.3V
R6732
C6752 150k
0.0022
D6733 C6732
1SS355 100
OSD_ON
16V
YCOM
C6751
D6732
0.1
1SS355
UPMUTE1
C6723
10
50V
INH
ZCOM1
YCOM
ZCOM
XCOM1
STR-DA1200ES
CN6801
9P
R6801 100 COM2 CLK
R6802 100 V595 LAT
R6803 100 COM2 DATA
R6804 100 V595-OE
IIC-DATA
IIC-CLK
R6805 100 OSDLAT
R6807 100 OSDCLK (Page 35)
R6808 100 OSDDATA
CN6803
L6801 4P
100µH
A+5V
C6805 C6801
100 100
16V 16V V GND
A+9V
A-5V
C6803
100
(Page 47)
16V
(Page 58)
B2
B1
B3
B4
C1
C2
C3
(Page 57)