Block Diagram - Video Section - Sony STR-DH500 Service Manual

STR-DH500
STR-DH500
5-3. BLOCK DIAGRAM – VIDEO Section –
COMPONENT VIDEO SELECT
IC220
J220 (1/2)
CH1 IN1
Y 1
-4 CH1 IN2
3
P C
B/ B
DVD
-5 CH2 IN1
8
IN
CH2 IN2
P C 10
R/ R
-6
CH3 IN1
COMPONENT
17
-1
VIDEO CH3 IN2
15
Y
-2 SW1
SAT
P C
B/ B 2
IN
-3
P C
R/ R COMPONENT
SW1
INPUT SELECT
IC210
J210 (1/2)
-1
VIN1
VIDEO
VIDEO
13
IN
J211 (1/2)
-1
VIN4
VIDEO
SAT 5
IN
-2
VIN5
VIDEO
DVD 3
IN
6
V+1,+2
+5V-3
J220 (2/2)
6dB AMP
75Ω CHI OUT
24 Y
DRIVER
-7
6dB AMP
MONITOR
CH2 OUT
75Ω
22
P C
B/ B OUT
DRIVER
-8
6dB AMP
CH3 OUT
75Ω
P C
20 R/ R
DRIVER
-9
V-1,-2
-5V-3
SW2 PS
4 23
COMPONENT
SW2 PS(V-MUTE)
+5V
+5V-3
6dB AMP
VOUT1
75Ω
1
DRIVER
6dB AMP
75Ω VOUT2
15
DRIVER
-5V
-5V-3
2 14 10 4
D211
D210
COMPOSITE
SW1
18 18
COMPONENT
VIDEO
IC201
+5V
+15V
+5V-3 3 1
REG
IC202
-5V
-5V-3 3 2 -15V
REG
J210 (2/2)
-2
VIDEO
OUT
J211 (2/2)
-3
VIDEO
OUT
SYSTEM CONTROL
IC1101 (3/5)
COMPONENT SW1
4 COMP_S1
COMPONENT SW2
3
COMP_S2
PS(V-MUTE)
2 V_MUTE
COMPOSITE SW1
5 V_SW1
COMPOSITE SW2
6 V_SW2
COMPOSITE SW3
7 V_SW3
COMPOSITE SW4
9 V_SW4
MONITOR
VIDEO
• Signal path
: VIDEO