Schematic Diagram - Video Board (2/3) - Sony STR-DA3200ES Service Manual

STR-DA3200ES/DG1000
6-47. SCHEMATIC DIAGRAM – VIDEO Board (2/3) –
A13
A12
(Page 77)
J6101
3P
MONITOR
OUT
P / C P / C
Y B B R R
COMPONENT
VIDEO
J6102
9P
Y P B / C B P R / C R
ASSIGNABLE
TV/SAT
IN
ASSIGNABLE
DVD
IN
ASSIGNABLE
VIDEO 1
IN
(CHASSIS)
STR-DA3200ES/DG1000
• See page 64 for Waveforms. • See page 92 for IC Block Diagrams.
(2/3)
VIDEO BUFFER
IC6102
SM5302A
C6116 10 50V
REF1
R6132 REF2
C6117 47 25V
3.3k VDD
REF3
SDA
VCC1
SCL
OUT1A
VSS
R6131 OUT1B
3.3k MUXSEL
GND1
R6136 ADS
220 VCC2
R6135 220 C6118 10 50V
IN1A
OUT2A
FB6303 C6119 10 50V
IN1B
OUT2B
R6139 1.8k
R6137 ISET
220 GND2
R6134 220 C6120 10 50V
IN2A
VCC3
C6121 10 50V
R6138 IN2B
220 OUT3A
R6133 220 C6122 10 50V
IN3A
OUT3B
C6123 10 50V
IN3B
GND3
R6110
75
R6112 75
RY6101
R6111
75
R6101 75 C6107 10 50V
R6104 75 C6108 10 50V
R6107 75 C6109 10 50V
R6102 75 C6104 10 50V
R6105 75 C6105 10 50V
R6108 75 C6106 10 50V
R6109 75 C6101 10 50V
R6106 75 C6102 10 50V
R6103 75 C6103 10 50V
C6110
0.1
C6124 10 50V
C6125 10 50V
C6126 0.1
R6140
39
OSD_ON
C6127 0.1
R6141
39
C6128 0.1
R6142
39
RY6102
R6121
D6101
10
1SS355
R6120
4.7k
COMP ON/OFF
Q6101
2SC2712 R6113
10k
RELAY DRIVE
C6713
47 25V
VIDEO SELECT
IC6101
NJM2586
CH1 CH1
IN1 OUT
VCMUTE
SW1
PS
CH1IN2
CH2OUT
SW2
V+2
CH1IN3
CH3OUT
GND C6111 L6701
GND 0.1 10µH
V+1 C6714
V-2 47
CH2IN1 L6302 25V
CH3IN1 10µH
GND
V-1
CH2IN2 C6113
CH3IN2 0.1
GND
C6115
GND
47 M_MUTE
CH2IN3
25V
CH3IN3
C6112
0.1
L6301
10µH
R6702
C6114
47k
47
25V
L6703
10µH
VC_SEL2
VC_SEL
78 78
C6706
47
25V
VIDEO AMP
C6705
IC6701
0.1
LA7106M
C6709
NFB3 R6704 47
-5V 47k 25V
Y IN
MUTE2
-5V
Y OUT C6710
NFB2 R6703 47
DRCTL 47k 25V
CB IN
CB OUT
MUTE1
GND
NFB1 R6701
CR OUT 47k
CR IN
+5V
C6704
L6702 C6703 C6711
47
0.1 47
10µH
25V
25V
C6716
0.1
L6704
10µH
VIDEO SELECT
IC6703
TC74HC4053AF
C
GND
B
VEE
A
INH
0X
0Z
1X C6717
ZCOM 0.1
XCOM
1Z
C6712 0.1
YCOM
0Y
VCC
1Y
R6705
47k
C6702 C6701
0.01 47
25V
VIDEO AMP
IC6702
LA7106M
+5V
C IN
C OUT
NFB1
GND
MUTE1
Y OUT
Y IN
R6706 47k
DRCTL
NFB2
CV OUT
-5V
MUTE2
CV IN
-5V
NFB3
C6708
C6707
47
0.01
25V
A11
A10
A9
(Page
77)
A8
A7
A4
A3
A2
A6
A1 (Page
A5
77)
CN6804
7P
GND
JW6807
0
CR OUT
GND
JW6808
0
CB OUT
JW6809 GND
0
Y OUT (Page
56)
CN6805
6P
GND
JW6810
0
YOUT
GND
JW6811
0
COUT
GND
JW6812
0
VOUT
(Page
CN6807
56)
5P
GND
JW6804
0
MONITOR-C/OUT
GND
JW6805
0
MONITOR-Y/OUT
(Page
81)
C1
C2
(Page 79)