Block Diagram - Video Section - Sony DG510 - STR AV Receiver Service Manual

5-3. BLOCK DIAGRAM — VIDEO SECTION —
COMPONENT VIDEO SELECT
J251 (1/2)
CH1 IN2
Y 3
-1 CH1 IN3
5
P B/ C B
SAT
CH2 IN2
-2
9
IN
CH2 IN3
P C 11
R/ R
-3
CH3 IN2
COMPONENT
14
-4
VIDEO CH3 IN3
12
Y
-5
DVD
P B/ C B
IN
-6 COMP SW1
P C
R/ R
INPUT
SELECTOR
IC203
J201 (1/2)
-1
VIN1
VIDEO
VIDEO 1
12
IN
J202 (1/2)
-2
VIN2
VIDEO
DVD 3
IN
-1
VIN3
VIDEO
SAT 1
IN
STR-DG510
IC251
V+1,+2
+5V-3
6dB AMP
J251 (2/2)
CHI OUT
75Ω
22 Y
DRIVER
-7
6dB AMP
CH2 OUT
75Ω
20
P B/ C
DRIVER
-8
6dB AMP
CH3 OUT
75Ω
P C
18 R/
DRIVER
-9
V-1,-2
-5V-3
SW1 SW2 P.SAVE
2 4 21
COMP SW2 COMP MUTE
6dB AMP
VOUT1
75Ω
DRIVER
6dB AMP
75Ω VOUT2
DRIVER
13 2 11
MONITOR COMPONENT
B OUT VIDEO
R
IC807
+5V
+16V
+5V-3 3 1
REG
IC804
-5V
-5V-3 -16V
3 2
+5V
REG
+5V-3
10
5
COMP SW1
-5V
COMP SW2
-5V-3
COMP MUTE
V_SW1
V_SW2
V_SW3
17 17
J201 (2/2) -2
VIDEO
MONITOR
OUT
J202 (2/2)
-3
VIDEO
VIDEO 1
OUT
SYSTEM CONTROL
IC1101 (3/6)
COMP_S1
91
• Signal path
COMP_S2
90
COMP MUTE : VIDEO
78
24 V_SW1
V_SW2
25
V_SW3
75
STR-DG510