Block Diagram - Standby-A Video Pc Section - Sony STR-DH720 Service Manual

5-3. BLOCK DIAGRAM – STANDBY-A VIDEO PC Section –
J220 (1/2)
Y
5
P
B
BD/DVD
6
(IN 1)
P
R
7
COMPONENT ASSIGNABLE
-1
VIDEO (INPUT ONLY)
Y
-2
SAT/CATV
P B
(IN 2)
-3
P
R
J211 (1/2)
-3
VIDEO 1
VIDEO IN
J210 (1/2)
-1
SAT/CATV
VIDEO IN
J101 (2/2)
VIDEO 2 IN
VIDEO
STR-DH720/DH720HP
COMPONENT VIDEO SELECT
IC220
CH1 IN2
3
CH1 IN3
5
CH2 IN2
10
CH2 IN3
12
CH3 IN2
15
CH3 IN3
13
INPUT SELECT
IC210
VIN1
13
VIN4
5
VIN3
7
VIDEO AMP
IC203
4 V-IN V-OUT 1 9 VIN2
2 14 10
D204
V+1,+2
+5V-3
6dB AMP
CH1 OUT
75
24
DRIVER
6dB AMP
CH2 OUT
75
22
DRIVER
6dB AMP
CH3 OUT
75
20
DRIVER
V-1,-2
-5V-3
SW2 PS
4 23
COMP_SW2 V_MUTE_1
Q202
Q201
VIDEO
DETECT
+5V
+5V-3
6dB AMP
VOUT1
75
1
DRIVER
6dB AMP
75 VOUT2
15
DRIVER
-5V
-5V-3
15 15
J220 (2/2)
Y
9
COMPONENT
MONITOR
P
B OUT
10
P R
11
COMP_DET
J210 (2/2)
-3
MONITOR
VIDEO OUT
J211 (2/2)
-1
VIDEO 1
VIDEO OUT
SYSTEM CONTROL
IC2105 (3/5)
COMP_SW2
82 V_COMP_SW2
V_MUTE_1
83
V_MUTE
VSEL_1
84 V_SEL_SW1
VSEL_2
85 V_SEL_SW2
COMP_DET
81 COMP_DET
VIDEO CONTROLLER
IC3201 (1/2)
219 A1P
223
C1P
221 B1P
249 A4P
STR-DH720/DH720HP
VIDEO
: VIDEO