Sony STR-DG710 - Video Section Block Diagram; Video Signal Switching and Routing

STR-DG710
19 19
STR-DG710
1
CH1 IN1
CH2 IN2
CH2 IN1
CH3 IN2
CH3 IN1
CH1 IN2
CH2 IN3
CH3 IN3
CH1 OUT
CH2 OUT
CH3 OUT
2 4
Y
P
B/ C B
P R/ C R
Y
SW1 SW2
COMP_S1 COMP_S2
P
B/ C B
P R/ C R
Y
P
B/ C B
P R/ C R
J301
J201 (1/2)
22
75Ω
DRIVER
6dB AMP
20
75Ω
DRIVER
6dB AMP
18
75Ω
DRIVER
6dB AMP
21
P.SAVE
V MUTE
14
D203 D204
10 4
13
J200 (1/2)
5
3
SAT
VIDEO
IN
DVD
VIDEO
IN
VIDEO 1
IN
VIDEO
IN
VIDEO
IN
COMPONENT
VIDEO
–1
–2
–3
–4
V5
–6
V7
–8
–9
Y
P
R/ C R
P B/ C B
J302
MONITOR
OUT
COMPONENT
VIDEO
–1
1
75Ω
DRIVER
6dB AMP
15
3 1
75Ω
DRIVER
6dB AMP
-2
J201 (2/2)
J200 (2/2)
–2
–3
–1
VIDEO 1
DVD
SAT
–2
VIDEO
IN
–1
VIDEO
OUT
VIDEO 1
-3
VIDEO
OUT
MONITOR
+5V
REG
IC807
+5V-3
3 2
–5V
REG
IC804
–5V-3
V COMP SW1
V COMP SW2
V_SW2
V_SW4
V MUTE
V_SW1
COMP_S1
COMP_S2
V_SW2
V_SW4
V MUTE
V_SW1
SYSTEM CONTROL
IC1907 (3/6)
VEE
–5V-3
VCC
+5V-3
+15V
–15V
M.OUT
V1 OUT
V-1,-2
–5V-3
V+1,+2
+5V-3
V1
J298 (1/2)
9
VIDEO
–1
VIDEO 3 IN/
PORTABLE AV IN
V3
DVD
SAT
V_SW1 V_SW2 V_SW3
SW1 SW2 SW3
6
V_SW4
SW4
INPUT
SELECTOR
IC203
COMPONENT VIDEO SELECT
IC304
2
SW5
30
29
28
34
33
V_SW3
V_SW3
32
31
3
CH1 IN3
5
7
9
11
16
14
12
• Signal path
: VIDEO
5-4. BLOCK DIAGRAM — VIDEO SECTION —